O. - książki, ebooki, audiobooki, kursy video
Tytuły autora: O. dostępne w księgarni Helion
-
Promocja Promocja 2za1
Use business intelligence to power corporate growth, increase efficiency, and improve corporate decision making. With this practical book featuring hands-on examples in Power BI with basic Python and R code, you'll explore the most relevant AI use cases for BI, including improved forecasting, automated classification, and AI-powered recommendations-
-
ebook
(119,40 zł najniższa cena z 30 dni)
169.14 zł
199.00 zł(-15%) -
-
Promocja Promocja 2za1
This book helps you get to grips with the rapidly growing data science domain and takes you on a journey from understanding which algorithm family to use to how to prevent bias. Through hands-on examples and clear analogies, you'll develop expertise in data science and open source tools no matter what your level of experience is.-
-
ebook
(104,25 zł najniższa cena z 30 dni)
125.10 zł
139.00 zł(-10%) -
-
Promocja Promocja 2za1
This book uses real-life datasets from Kaggle to explain basic statistics for machine learning for data segmentation, regression predictions, and forecasts. You'll focus on variable dependency and autocorrelation to build, test, and use a linear regression prediction model and time series forecasts.-
-
ebook
(104,25 zł najniższa cena z 30 dni)
125.10 zł
139.00 zł(-10%) -
-
Promocja Promocja 2za1
Master the math needed to excel in data science, machine learning, and statistics. In this book author Thomas Nield guides you through areas like calculus, probability, linear algebra, and statistics and how they apply to techniques like linear regression, logistic regression, and neural networks. Along the way you'll also gain practical insights i-
-
ebook
(131,40 zł najniższa cena z 30 dni)
186.15 zł
219.00 zł(-15%) -
-
Promocja 2za1
Monografia poświęcona jest metodom i technikom konstrukcji modeli dalszego trwania życia ze szczególnym uwzględnieniem dalszego trwania życia osób starszych. Wobec demograficznego starzenia się społeczeństwa praca wpisuje się w aktualny nurt badań nad umieralnością osób starszych. Zagadnienie modelowania trwania życia leży na s-
ebook
-
-
Promocja Promocja 2za1
This book will take you through the out-of-the-box AI features in Power BI, showing you how to create your own AI model and integrate it into Power BI. You'll be able to quickly and easily enrich your data and gain better insights into patterns that can be found in your data by training your own AI model.-
-
ebook
(104,25 zł najniższa cena z 30 dni)
125.10 zł
139.00 zł(-10%) -
-
Promocja Promocja 2za1
This book teaches you how to better run the ArcGIS Online and ArcGIS Pro tools, helping you learn new and important tips and tricks to manage data for entire cities or huge companies.-
-
ebook
(141,75 zł najniższa cena z 30 dni)
170.10 zł
189.00 zł(-10%) -
-
Promocja Promocja 2za1
The Tableau Workshop gets you up and running with data processing, analytics, and visualization using Tableau. With plenty of practical exercises and activities, you'll quickly learn the fundamentals of presenting data effectively and be well prepared to deliver business insights through visual analytics.-
-
ebook
The Tableau Workshop. A practical guide to the art of data visualization with Tableau
Sumit Gupta, Sylvester Pinto, Shweta Savale, JC Gillet, Kenneth Michael Cherven
(104,25 zł najniższa cena z 30 dni)
125.10 zł
139.00 zł(-10%) -
-
Promocja Promocja 2za1
Make data analysis fast, reliable, and clean with Python, Pandas and Matplotlib. Key Features A detailed walk-through of the Pandas library's features with multiple examples. Numerous graphical representations and reporting capabilities using popular Matplotlib. A high-level overview of extracting data from including files, databases, and the w-
-
ebook
(36,90 zł najniższa cena z 30 dni)
71.91 zł
79.90 zł(-10%) -
-
Promocja Promocja 2za1
Microsoft Power BI Performance Best Practices will help developers and solution architects make architectural design choices that ensure solutions are efficient and can perform at high user and data scale. You'll learn with the help of unique tips and tricks along with best practices that will enable you to optimize every layer of Power BI.-
-
ebook
(134,25 zł najniższa cena z 30 dni)
161.10 zł
179.00 zł(-10%) -
-
Promocja Promocja 2za1
e_39ya/e_39ya.mp3 e_39yaThis book serves as a concise path toward cracking Kaggle competitions as well as an all-encompassing guide to upgrading your skills and career as a data scientist.-
-
ebook
-
audiobook
(171,75 zł najniższa cena z 30 dni)
206.10 zł
229.00 zł(-10%) -
-
Promocja Promocja 2za1
Apache Spark's speed, ease of use, sophisticated analytics, and multilanguage support makes practical knowledge of this cluster-computing framework a required skill for data engineers and data scientists. With this hands-on guide, anyone looking for an introduction to Spark will learn practical algorithms and examples using PySpark.In each chapter,-
-
ebook
(143,40 zł najniższa cena z 30 dni)
203.15 zł
239.00 zł(-15%) -
-
Promocja Promocja 2za1
Make use of the most advanced machine learning techniques to perform NLP and feature extraction Key Features Learn about pre-trained models, deep learning, and transfer learning for NLP applications. All-in-one knowledge guide for feature engineering, NLP models, and pre-processing techniques. Includes use cases, enterprise deployments, and a r-
-
ebook
(36,90 zł najniższa cena z 30 dni)
71.91 zł
79.90 zł(-10%) -
-
Promocja Promocja 2za1
Wykorzystanie danych zorientowanych na użytkownika w celu uzyskania realnych wyników biznesowych Dzięki tej książce Czytelnik będzie mógł wykorzystać w swojej firmie pełną moc danych behawioralnych używając w tym celu wyspecjalizowanych narzędzi. Algorytmy często stosowane w danologii, a także programy służące do analizy predykcyjnej traktują ja-
ebook
(44,99 zł najniższa cena z 30 dni)
76.49 zł
89.99 zł(-15%) -
-
Promocja Promocja 2za1
Developers working with large amounts of data on Azure, including App Insights and Log Analytics, will be able to put their knowledge to work with this practical guide. The book focuses on Azure Data Explorer, covering topics such as data ingestion from multiple sources and querying and generating reports to make data-driven decisions.-
-
ebook
(119,25 zł najniższa cena z 30 dni)
143.10 zł
159.00 zł(-10%) -
-
Promocja Promocja 2za1
Analyzing business data points with greater precision, efficiency, and speed Key Features Exposure to work on large datasets, data mining techniques, and SAS built-in functions. Exciting examples and a step-by-step guide to the entire field of business analytics. Additional support of sophisticated SQL queries and the creation of strong visuali-
-
ebook
(36,90 zł najniższa cena z 30 dni)
71.91 zł
79.90 zł(-10%) -
-
Promocja Promocja 2za1
This book will help you derive insights from different data sources and add machine learning capabilities to your dashboards. With the help of practical examples, you will learn to build and share dashboards at scale, including embedded analytics. You will also understand how to use APIs to manage and monitor the AWS QuickSight ecosystem.-
-
ebook
(104,25 zł najniższa cena z 30 dni)
125.10 zł
139.00 zł(-10%) -
-
Promocja Promocja 2za1
A Complete Data Analytics Guide for Learners and Professionals. Key Features Learn Big Data, Hadoop Architecture, HBase, Hive and NoSQL Database. Dive into Machine Learning, its tools, and applications. Coverage of applications of Big Data, Data Analysis, and Business Intelligence. Description These days critical problem solving related to dat-
-
ebook
(36,90 zł najniższa cena z 30 dni)
71.91 zł
79.90 zł(-10%) -
-
Promocja Promocja 2za1
Whether you're a data analyst new to programming or already familiar with it, this book will teach you the optimum techniques for data preprocessing from both technical and analytical perspectives. You'll explore the world of advanced data manipulation and preprocessing techniques to create successful data analytic solutions.-
-
ebook
(119,25 zł najniższa cena z 30 dni)
143.10 zł
159.00 zł(-10%) -
-
Promocja Promocja 2za1
This book will help analysts get the most out of Microsoft Business Intelligence tools with DAX. With expert-led examples and approachable theoretical explanations, you'll deepen your understanding of DAX and achieve good business modeling design.-
-
ebook
(104,25 zł najniższa cena z 30 dni)
125.10 zł
139.00 zł(-10%) -
-
Promocja Promocja 2za1
Best learning Scroll for Python Key Features 16 chapters covering basic (loops) to advanced (NumPy) topics in Python. Focus on one topic per chapter to help learners understand topics in depth. Key points from Theory highlighted in each chapter for better retention. More than 1000 questions that give ample opportunity for practice. 7 Model te-
-
ebook
(36,90 zł najniższa cena z 30 dni)
71.91 zł
79.90 zł(-10%) -
-
Promocja Promocja 2za1
CRM Analytics is a powerful and versatile data analytics platform that delivers actionable insights within Salesforce. The skills required to transform data and build dashboards using this platform are in high demand, but the supply is short. This book will equip you with these skills and help you on your way to becoming a CRM Analytics expert.-
-
ebook
(104,25 zł najniższa cena z 30 dni)
125.10 zł
139.00 zł(-10%) -
-
Promocja Promocja 2za1
The world around us is full of data that holds unique insights and valuable stories, and this book will help you uncover them. Whether you already work with data or want to learn more about its possibilities, the examples and techniques in this practical book will help you more easily clean, evaluate, and analyze data so that you can generate meani-
-
ebook
(143,40 zł najniższa cena z 30 dni)
203.15 zł
239.00 zł(-15%) -
-
Promocja Promocja 2za1
Master the ML process, from pipeline development to model deployment in production. Key Features Prime focus on feature-engineering, model-exploration & optimization, dataops, ML pipeline, and scaling ML API. A step-by-step approach to cover every data science task with utmost efficiency and highest performance. Access to advanced data engineer-
-
ebook
(36,90 zł najniższa cena z 30 dni)
71.91 zł
79.90 zł(-10%) -
-
Promocja Promocja 2za1
Managing and Visualizing Your BIM Data is the perfect guide if you want to learn essential computer science topics to create incredible building information modeling (BIM) dashboards. With this book, you'll be able to learn how to use Autodesk Dynamo for data gathering and Power BI for data visualization.-
-
ebook
(104,25 zł najniższa cena z 30 dni)
125.10 zł
139.00 zł(-10%) -
-
Promocja Promocja 2za1
Serverless Analytics with Amazon Athena covers all the offerings of Athena to help you run interactive queries and analyze large data stored in Amazon S3 using standard SQL. Throughout this book, you'll learn how to add data-driven insights or ad hoc queries to an application in a cost-effective manner, without needing to manage any infrastructure.-
-
ebook
(119,25 zł najniższa cena z 30 dni)
143.10 zł
159.00 zł(-10%) -
-
Promocja Promocja 2za1
This book will help you explore the foundations of Python programming and learn how Python can be used to achieve results.-
-
ebook
(104,25 zł najniższa cena z 30 dni)
125.10 zł
139.00 zł(-10%) -
-
Promocja Promocja 2za1
This book focuses on the next steps after creating a Tableau dashboard by teaching you how to publish it to Tableau Server and how to quickly and easily access required content on the server. You will learn to manage, modify, and share content by maximizing Tableau Server's features as well as explore best practices to optimize workbook performance-
-
ebook
(104,25 zł najniższa cena z 30 dni)
125.10 zł
139.00 zł(-10%) -
-
Promocja Promocja 2za1
Understand data in a simple way using a data lake. Key Features In-depth practical demonstration of Hadoop/Yarn concepts with numerous examples. Includes graphical illustrations and visual explanations for Hadoop commands and parameters. Includes details of dimensional modeling and Data Vault modeling. Includes details of how to create and def-
-
ebook
(36,90 zł najniższa cena z 30 dni)
71.91 zł
79.90 zł(-10%) -
-
Promocja Promocja 2za1
Matematyzacja badań naukowych jest charakterystyczną cechą współczesnej nauki. Obecnie można obserwować przyśpieszony rozwój wiedzy fundamentalnej, metod analityczno-jakościowych i porównawczo-ilościowych, analizy danych empirycznych i systematycznego użycia potencjału komputerowego. W znacznej mierze rozszerza to możliwości poznania naukowego. Cał-
ebook
(16,89 zł najniższa cena z 30 dni)
23.19 zł
29.00 zł(-20%) -
-
Promocja Promocja 2za1
Power BI is a business intelligence and analytics services tool by Microsoft designed to provide visual and interactive insights into data. This book will provide thorough, technical examples of using all primary Power BI tools and features as well as demonstrate high impact end-to-end solutions that leverage and integrate these technologies and se-
-
ebook
(149,25 zł najniższa cena z 30 dni)
179.10 zł
199.00 zł(-10%) -
-
Promocja Promocja 2za1
The book provides a one-stop solution for getting into data science with Python and teaches how to extract insights from data.-
-
ebook
(119,25 zł najniższa cena z 30 dni)
143.10 zł
159.00 zł(-10%) -
-
Promocja Promocja 2za1
Clear your doubts about Business Intelligence and start your new journey KEY FEATURES Includes successful methods and innovative ideas to achieve success with BI. Vendor-neutral, unbiased, and based on experience. Highlights practical challenges in BI journeys. Covers financial aspects along with technical aspects. Showcases multiple BI orga-
-
ebook
(36,90 zł najniższa cena z 30 dni)
71.91 zł
79.90 zł(-10%) -
-
Promocja Promocja 2za1
The Azure Databricks Cookbook shows you how to work with the latest as well as older versions of Apache Spark and integrate with various Azure resources for orchestrating, deploying, and monitoring big data solutions. You'll use Azure Databricks to build end-to-end solutions and address challenges in securing, productionizing, and monitoring them.-
-
ebook
(119,25 zł najniższa cena z 30 dni)
143.10 zł
159.00 zł(-10%) -
-
Promocja Promocja 2za1
Concepts of Machine Learning with Practical Approaches. Key Features Includes real-scenario examples to explain the working of Machine Learning algorithms. Includes graphical and statistical representation to simplify modeling Machine Learning and Neural Networks. Full of Python codes, numerous exercises, and model question papers for data scie-
-
ebook
(36,90 zł najniższa cena z 30 dni)
71.91 zł
79.90 zł(-10%) -
-
Promocja Promocja 2za1
This book on marketing analytics with Python will quickly get you up and running using practical data science and machine learning to improve your approach to marketing. You'll learn how to analyze sales, understand customer data, predict outcomes, and present conclusions with clear visualizations.-
-
ebook
(89,25 zł najniższa cena z 30 dni)
107.10 zł
119.00 zł(-10%) -
-
Promocja Promocja 2za1
Data Processing with Optimus helps you learn how to load, clean, and transform data easily with Optimus. This book is a step-by-step guide for preparing data to perform key data science tasks such as machine learning, analytics, feature engineering, and reporting to help you to build end-to-end real-world applications with ease.-
-
ebook
(96,75 zł najniższa cena z 30 dni)
116.10 zł
129.00 zł(-10%) -
-
Promocja Promocja 2za1
This book takes away the fear of working with, analyzing, and visualizing data. Understand the key concepts involved with data analytics while working with real-world business examples. You are introduced to two fantastic tools to cleanse and analyze data (KNIME) and visualize your insights (Microsoft Power BI), but the principles from this book ca-
-
ebook
(71,24 zł najniższa cena z 30 dni)
85.49 zł
94.99 zł(-10%) -
-
Promocja Promocja 2za1
Ideal for anyone who is just getting started with machine learning, this hands-on data science book will give you experience building predictive models using industry-standard tools and techniques. It will help you develop the skills and understanding to generate valuable insights and make data-driven business decisions.-
-
ebook
(89,25 zł najniższa cena z 30 dni)
107.10 zł
119.00 zł(-10%) -
-
Promocja Promocja 2za1
If you want to increase Tableau's value to your organization, this practical book has your back. Authors Ann Jackson and Luke Stanke guide data analysts through strategies for solving real-world analytics problems using Tableau. Starting with the basics and building toward advanced topics such as multidimensional analysis and user experience, you'l-
-
ebook
(119,40 zł najniższa cena z 30 dni)
169.14 zł
199.00 zł(-15%) -
-
Promocja Promocja 2za1
This book will help you to understand the architectural components of a modern data warehouse and select those suitable for your requirements. You'll learn everything from how to integrate your source data into Azure Data Lake at scale to how to structure your analytical data estate and more.-
-
ebook
(134,25 zł najniższa cena z 30 dni)
161.10 zł
179.00 zł(-10%) -
-
Promocja Promocja 2za1
Python is an efficient tool for coupling scientific computing and mathematics. This book teaches you how to use it for linear algebra, arrays, plotting, iterating, functions, and polynomials. You'll explore task automation and understand essential math concepts and algorithms along with integrations for faster computation in scientific computing.-
-
ebook
(96,75 zł najniższa cena z 30 dni)
116.10 zł
129.00 zł(-10%) -
-
Promocja Promocja 2za1
Success in data science depends on the flexible and appropriate use of tools. That includes Python and R, two of the foundational programming languages in the field. This book guides data scientists from the Python and R communities along the path to becoming bilingual. By recognizing the strengths of both languages, you'll discover new ways to acc-
-
ebook
(119,40 zł najniższa cena z 30 dni)
169.14 zł
199.00 zł(-15%) -
-
Promocja Promocja 2za1
If you're a designer working with Revit, this Autodesk Revit book will guide you through improving productivity and efficiency in your day-to-day tasks. With the help of this book, you'll be able to set up your Revit projects, explore Revit's core functionalities, use Dynamo for visual programming, and leverage Power BI to analyze BIM information.-
-
ebook
(104,25 zł najniższa cena z 30 dni)
125.10 zł
139.00 zł(-10%) -
-
Promocja Promocja 2za1
Harness the full power of the behavioral data in your company by learning tools specifically designed for behavioral data analysis. Common data science algorithms and predictive analytics tools treat customer behavioral data, such as clicks on a website or purchases in a supermarket, the same as any other data. Instead, this practical guide introdu-
-
ebook
(161,40 zł najniższa cena z 30 dni)
228.65 zł
269.00 zł(-15%) -
-
Promocja Promocja 2za1
This book shows you how to effectively use Power BI, covering everything from Fact tables and Dimension tables to different data modeling techniques. With the help of real-world scenarios, you'll be able to identify when, why, and how to prepare data to support an efficient Star Schema to satisfy business requirements.-
-
ebook
(149,25 zł najniższa cena z 30 dni)
179.10 zł
199.00 zł(-10%) -
-
Promocja Promocja 2za1
Mastering Advanced Python Programming Key Features In-depth coverage on fundamentals of functions, recursion, classes, inheritance, and files. Mastery of advanced topics - Database connectivity, Errors and Exception, Testing and Debugging, threads, Data visualization, and Data analysis. In-depth coverage of advanced concepts such as data struc-
-
ebook
(36,90 zł najniższa cena z 30 dni)
71.91 zł
79.90 zł(-10%) -
-
Promocja Promocja 2za1
Machine Learning with the Elastic Stack, Second Edition, provides a comprehensive overview of Elastic Stack's machine learning features for both time series data analysis as well as for supervised learning and unsupervised learning that helps make machine learning truly operational for you.-
-
ebook
(104,25 zł najniższa cena z 30 dni)
125.10 zł
139.00 zł(-10%) -
-
Promocja Promocja 2za1
If you know how to program, you're ready to tackle Bayesian statistics. With this book, you'll learn how to solve statistical problems with Python code instead of mathematical formulas, using discrete probability distributions rather than continuous mathematics. Once you get the math out of the way, the Bayesian fundamentals will become clearer and-
-
ebook
(101,40 zł najniższa cena z 30 dni)
143.65 zł
169.00 zł(-15%) -
-
Promocja Promocja 2za1
Knowing how to work with data to extract insights generates significant value. This book will help you to develop data analysis skills using a hands-on approach and real-world data. You'll get up to speed with pandas 1.x in no time and build some software engineering skills in the process, vastly expanding your data science toolbox.-
-
ebook
(141,75 zł najniższa cena z 30 dni)
170.10 zł
189.00 zł(-10%) -
-
Promocja Promocja 2za1
This book focuses on key Python analytics and algorithmic trading libraries used for backtesting. With the help of practical examples, you will learn the principle aspects of trading strategy development. The 14 profitable strategies included in the book will also help you build intuitions that will enable you to create your own strategy.-
-
ebook
(104,25 zł najniższa cena z 30 dni)
125.10 zł
139.00 zł(-10%) -
-
Promocja Promocja 2za1
This practical guide takes a hands-on approach to implementation and associated methodologies to have you up and running with all that Amazon Kinesis has to offer. You'll work with use cases and practical examples to be able to ingest, process, analyze, and stream real-time data in no time.-
-
ebook
(104,25 zł najniższa cena z 30 dni)
125.10 zł
139.00 zł(-10%) -
-
Promocja Promocja 2za1
Tell your story and show it with data, using free and easy-to-learn tools on the web. This introductory book teaches you how to design interactive charts and customized maps for your website, beginning with simple drag-and-drop tools such as Google Sheets, Datawrapper, and Tableau Public. You'll also gradually learn how to edit open source code tem-
-
ebook
(131,40 zł najniższa cena z 30 dni)
186.15 zł
219.00 zł(-15%) -
-
Promocja Promocja 2za1
This book helps you to understand Snowflake's unique architecture and ecosystem that places it at the forefront of cloud data warehouses. The recipes present in this book will enable you to develop proficiency in managing data on Snowflake and learn Snowflake's novel features such as data sharing, cloning, and time travel.-
-
ebook
(107,10 zł najniższa cena z 30 dni)
134.10 zł
149.00 zł(-10%) -
-
Promocja Promocja 2za1
Data pipelines are the foundation for success in data analytics. Moving data from numerous diverse sources and transforming it to provide context is the difference between having data and actually gaining value from it. This pocket reference defines data pipelines and explains how they work in today's modern data stack.You'll learn common considera-
-
ebook
(50,99 zł najniższa cena z 30 dni)
72.24 zł
84.99 zł(-15%) -
-
Promocja Promocja 2za1
Cloud Analytics with Microsoft Azure enables you to understand the design and business considerations that you must keep in mind while planning to adopt the cloud analytics model for your business.-
-
ebook
(119,25 zł najniższa cena z 30 dni)
143.10 zł
159.00 zł(-10%) -
-
Promocja Promocja 2za1
Data Science szturmem zdobyło nowe obszary - wszystko jest większe, szybsze i lepsze. Większe możliwości obliczeniowe wprowadziły uczenie maszynowe i głębokie uczenie maszynowe na rynek. Tworzenie sztucznych sieci neuronowe jest znacznie prostsze. Sztuczna inteligencja zrewolucjonizowała wiele branż. Rozwój technologii byłby niemożliwy bez Data Sci-
ebook
(58,28 zł najniższa cena z 30 dni)
75.20 zł
94.00 zł(-20%) -
-
Promocja Promocja 2za1
Data analytics may seem daunting, but if you're an experienced Excel user, you have a unique head start. With this hands-on guide, intermediate Excel users will gain a solid understanding of analytics and the data stack. By the time you complete this book, you'll be able to conduct exploratory data analysis and hypothesis testing using a programmin-
-
ebook
(119,40 zł najniższa cena z 30 dni)
169.14 zł
199.00 zł(-15%) -
-
Promocja Promocja 2za1
A comprehensive guide for seasoned business leaders who struggle with where and how to exploit the economics of data and analytics to gain true value from data, accelerate company operations through AI, and guide their digital transformation.-
-
ebook
(89,91 zł najniższa cena z 30 dni)
125.10 zł
139.00 zł(-10%) -
-
Promocja Promocja 2za1
Książka pozwala opanować techniki modelowania i analizy danych, umożliwiające przekształcanie danych w końcowe wnioski. Od ponad 10 lat Wayne Winston uczy klientów korporacyjnych i studentów MBA najbardziej efektywnych sposobów wykorzystywania programu Excel do pomocy w rozwiązywaniu problemów biznesowych i podejmowaniu-
ebook
(46,20 zł najniższa cena z 30 dni)
78.54 zł
92.40 zł(-15%) -
-
Promocja Promocja 2za1
Przewodnik po szybkim przetwarzaniu danych na wyniki. Przekształć swoje umiejętności, dane i swój biznes i twórz własne rozwiązania BI, używając programu, który już znasz i lubisz: Microsoft Excel. Dwaj eksperci w dziedzinie business intelligence (BI) wprowadzą Czytelnika w świat funkcjonalności PowerPivot, skupiając się na rze-
ebook
(49,35 zł najniższa cena z 30 dni)
83.90 zł
98.70 zł(-15%) -
-
Promocja Promocja 2za1
Praktyczny przewodnik po podstawach usług SQL Server Analysis Services. Dowiedz się, jak tworzyć, zarządzać i udostępniać kostki przetwarzania anlitycznego w trybie online (OLAP) krok po kroku. Bez względu na to, czy jesteś projektantem, administratorem czy biznesmanem, ten praktyczny podręcznik pokazuje, jak tworzyć rozwiązania analizy biznesowej-
ebook
(46,20 zł najniższa cena z 30 dni)
78.54 zł
92.40 zł(-15%) -
-
Promocja Promocja 2za1
Buduj elastyczne i dobrze reagujące rozwiązania analizy biznesowej (BI) Analizuj dane tabelaryczne za pomocą semantycznego modelu BI (BISM) w usługach SQL Server 2012 Analysis Services i odkrywaj prostszy sposób tworzenia rozwiązań BI na poziomie biznesowym. Pod kierunkiem ekspertów z dziedziny BI naucz się, jak budować, wdrażać i prz-
ebook
(46,20 zł najniższa cena z 30 dni)
78.54 zł
92.40 zł(-15%) -
-
Promocja 2za1
Niniejszy podrecznik został przygotowany z mysla o studentach, głównie uczelni technicznych, ale moze byc wykorzystywany przez wszystkie zainteresowane osoby do samodzielnego opracowywania danych doswiadczalnych. W zwiezły sposób przedstawiono w nim podstawowe zagadnienia rachunku prawdopodobienstwa oraz statystyki opisowej i matematy-
ebook
Wybrane zagadnienia statystyki i rachunku prawdopodobieństwa z przykładami w programie R
Katarzyna Dems-Rudnicka, Izabela Jóźwik, Małgorzata Terepeta
-
-
Promocja Promocja 2za1
Put your data science knowledge to work with this practical guide to statistics. You'll understand the working mechanism of each method used and find out how data science algorithms function. This book will help you learn the statistical techniques required for key model building and functioning using Python.-
-
ebook
(96,75 zł najniższa cena z 30 dni)
116.10 zł
129.00 zł(-10%) -
-
Promocja Promocja 2za1
Whether you're a beginner just learning how to create data visualizations or a Jedi who's already used Tableau for years, this cookbook has a recipe for everyone. Author Lorna Brown provides more than 100 practical recipes to enhance the way you build Tableau dashboards--and helps you understand your data through the power of Tableau Desktop's inte-
-
ebook
(143,40 zł najniższa cena z 30 dni)
203.15 zł
239.00 zł(-15%) -
-
Promocja Promocja 2za1
Microsoft Power BI Quick Start Guide, Second Edition gets you up to speed with Power BI quickly, enabling you to derive actionable insights from your data using the data visualization capabilities of Microsoft Power BI within a short span of time.-
-
ebook
(216,75 zł najniższa cena z 30 dni)
260.10 zł
289.00 zł(-10%) -
-
Promocja Promocja 2za1
SAS software has been in existence for a long time and has been implemented in large, data-intensive environments, including data warehouses. This SAS book covers practical programming considerations to make when involving SAS in a data warehouse environment. You'll be able to develop the skills you need to apply SAS in your working environment.-
-
ebook
(119,25 zł najniższa cena z 30 dni)
143.10 zł
159.00 zł(-10%) -
-
Promocja 2za1
Książka "Systemy It w Polsce - Nowoczesne Przedsiębiorstwo Produkcyjne” stanowi kompendium wiedzy na temat rozwiązań informatycznych, które obecnie znajdują zastosowanie w przemyśle. Podzielona jest na 11 obszarów merytorycznych, które prezentują rozwiązania IT, zgodnie z najnowszymi klasami systemowymi takimi jak: E-
ebook
-
-
Promocja Promocja 2za1
Build it with Python, the popular and batteries-included programming tool Key Features Get familiar with the fundamentals of Python. Understand the OOP paradigm and learn to write your custom object classes. Explore tools and techniques to measure code execution for Performance Optimization. Understand how Python is used in the main Cryptograp-
-
ebook
(36,90 zł najniższa cena z 30 dni)
71.91 zł
79.90 zł(-10%) -
-
Promocja Promocja 2za1
Selecting the right architecture enables organizations to deliver a successful business solution that can boost customer engagement and growth. With this comprehensive guide, you'll learn architectural best practices and methodologies for implementing an enterprise-grade solution tailored for your business needs using Microsoft Power Platform.-
-
ebook
(89,25 zł najniższa cena z 30 dni)
107.10 zł
119.00 zł(-10%) -
-
Promocja Promocja 2za1
Thousands of enterprises worldwide use Tableau as the solution for their data issues, big and small. With this updated edition, you will develop a firm grip on data visualization using Tableau 2020 and master all of the core features that enable you to explore, prepare, fix, and present data quickly and easily.-
-
ebook
(171,75 zł najniższa cena z 30 dni)
206.10 zł
229.00 zł(-10%) -
-
Promocja Promocja 2za1
The Statistics and Calculus with Python Workshop is ideal for those who need a refresher in the mathematics that make the practical applications of modern artificial intelligence possible. Starting with foundational mathematical concepts like functions and matrices, the book covers the entire spectrum of calculus and statistics, teaching you the te-
-
ebook
Peter Farrell, Alvaro Fuentes, Ajinkya Sudhir Kolhe, Quan Nguyen, Alexander Joseph Sarver, Marios Tsatsos, Amit Chaurasia, Rohan Chikorde, Sanjin Dedic, Tim Hoolihan, Ravi Ranjan Prasad Karn, Alberto Manzini
(89,25 zł najniższa cena z 30 dni)
107.10 zł
119.00 zł(-10%) -
-
Promocja Promocja 2za1
Get familiar with various Supervised, Unsupervised and Reinforcement learning algorithms Key Features Understand the types of Machine learning. Get familiar with different Feature extraction methods. Get an overview of how Neural Network Algorithms work. Learn how to implement Decision Trees and Random Forests. The book not only explains the Clas-
-
ebook
(36,90 zł najniższa cena z 30 dni)
71.91 zł
79.90 zł(-10%) -
-
Promocja Promocja 2za1
Python has a number of powerful packages to help anyone tackle complex mathematical problems in a simple and efficient way. This practical guide explains how to model real-world problems as mathematical objects in Python and how to perform computations, and interpret results. It explores Python lang to solve a variety of math and statistics problem-
-
ebook
(89,25 zł najniższa cena z 30 dni)
107.10 zł
119.00 zł(-10%) -
-
Promocja Promocja 2za1
In today's era of AI, accurately interpreting and communicating trustworthy, fair, and secure AI findings have become a crucial skill to master. This book bridges the gap between AI's pitfalls and potential by helping you build the ability to leverage machine learning with Python to visualize and integrate AI.-
-
ebook
(119,25 zł najniższa cena z 30 dni)
143.10 zł
159.00 zł(-10%) -
-
Promocja Promocja 2za1
The Data Analysis Workshop is a comprehensive guide that shows you how to analyze your data and gain insights into your business. Starting with the basics of data analysis, including data visualization and exploratory data analysis, this book takes you through the complete spectrum of techniques, such as time series analysis and categorical data an-
-
ebook
Gururajan Govindan, Shubhangi Hora, Konstantin Palagachev, Brent Broadnax, John Wesley Doyle, Ashish Jain, Robert Thas John, Ravi Ranjan Prasad Karn, Pritesh Tiwari
(89,25 zł najniższa cena z 30 dni)
107.10 zł
119.00 zł(-10%) -
-
Promocja Promocja 2za1
Data is the new oil, but it's often in a crude form. To perform anything meaningful, such as data modeling, data visualization, or predictive analysis, you first need to wrangle with and refine data. The Data Wrangling Workshop equips you with the knowledge you need to get up and running with data wrangling in no time.-
-
ebook
Brian Lipp, Shubhadeep Roychowdhury, Dr. Tirthajyoti Sarkar, John Wesley Doyle, Harshil Jain, Robert Thas John, Akshay Khare, Nagendra Nagaraj, Samik Sen, Dr. Vlad Sebastian Ionescu
(89,25 zł najniższa cena z 30 dni)
107.10 zł
119.00 zł(-10%) -
-
Promocja Promocja 2za1
The Data Visualization Workshop will help you get started with data visualization, giving you the confidence to choose the best visualization technique to suit your needs. Fun activities and exercises featured throughout the book will keep you engaged as you build interactive visualizations with real data.-
-
ebook
(104,25 zł najniższa cena z 30 dni)
125.10 zł
139.00 zł(-10%) -
-
Promocja Promocja 2za1
The Applied Data Science Workshop explores the key elements and interesting applications of data science techniques with the help of practical examples and interactive exercises. Following a hands-on approach, it allows you the freedom of analyzing data in the Jupyter Notebook effectively using many diverse open-source Python libraries.??-
-
ebook
(89,25 zł najniższa cena z 30 dni)
107.10 zł
119.00 zł(-10%) -
-
Promocja Promocja 2za1
Developers working with the simulation models will be able to put their knowledge to work with this practical guide. You will work with real-world data to uncover various patterns used in complex systems using Python. The book provides a hands-on approach to implementation and associated methodologies to improve or optimize systems.-
-
ebook
(141,75 zł najniższa cena z 30 dni)
170.10 zł
189.00 zł(-10%) -
-
Promocja Promocja 2za1
e_39v0/e_39v0.mp3 e_39v0Building Analytics Teams is your one-stop guide to transforming your firm into an analytically driven organization while efficiently and effectively managing executive expectations of the return on investment of the team and projects.-
-
ebook
-
audiobook
(89,25 zł najniższa cena z 30 dni)
107.10 zł
119.00 zł(-10%) -
-
Promocja Promocja 2za1
Z uwagi na fakt, iż funkcje spełniają w arkuszu kalkulacyjnym coraz większą rolę, prezentujemy Czytelnikom książkę z ćwiczeniami, które pokazują praktyczne zastosowania większości funkcji Excela. Kolejne rozdziały obejmują przykłady dotyczące funkcji należących do grup wyróżnionych w arkuszu kalkulacyjnym przez jego twórców. Są to więc funkcje: --
ebook
(24,90 zł najniższa cena z 30 dni)
31.20 zł
39.00 zł(-20%) -
-
Promocja Promocja 2za1
Building and testing machine learning models requires access to large and diverse data. But where can you find usable datasets without running into privacy issues? This practical book introduces techniques for generating synthetic data—fake data generated from real data—so you can perform secondary analysis to do research, understand cu-
-
ebook
(119,40 zł najniższa cena z 30 dni)
169.14 zł
199.00 zł(-15%) -
-
Promocja Promocja 2za1
Primer into the multidisciplinary world of Data Science Key Features Explore and use the key concepts of Statistics required to solve data science problems Use Docker, Jenkins, and Git for Continuous Development and Continuous Integration of your web app Learn how to build Data Science solutions with GCP and AWS Description The book will ini-
-
ebook
(36,90 zł najniższa cena z 30 dni)
71.91 zł
79.90 zł(-10%) -
-
Promocja Promocja 2za1
AI may be the greatest opportunity of our time, with the potential to add nearly $16 trillion to the global economy over the next decade. But so far, adoption has been much slower than anticipated, or so headlines may lead you to believe. With this practical guide, business leaders will discover where they are in their AI journey and learn the step-
-
ebook
(101,40 zł najniższa cena z 30 dni)
143.65 zł
169.00 zł(-15%) -
-
Promocja Promocja 2za1
Deep learning enables efficient and accurate learning from data. Developers working with R will be able to put their knowledge to work with this practical guide to deep learning. The book provides a hands-on approach to implementation and associated methodologies that will have you up-and-running, and productive in no time.-
-
ebook
(96,75 zł najniższa cena z 30 dni)
116.10 zł
129.00 zł(-10%) -
-
Promocja Promocja 2za1
WYDANIE DRUGIE uzupełnione i rozszerzone Najbardziej wyczerpujący przewodnik po języku DAX, obecnie rozszerzony i uzupełniony o najnowsze funkcje i nowoczesne zalecane praktyki, prezentujący opracowany w firmie Microsoft język na potrzeby analiz biznesowych i modelowania danych. Czołowi eksperci w dziedzinie Microsoft BI pomagają opanować wszystkie-
ebook
(74,50 zł najniższa cena z 30 dni)
126.65 zł
149.00 zł(-15%) -
-
Promocja Promocja 2za1
Interactive Data Visualization with Python sharpens your data exploration skills, tells you everything there is to know about interactive data visualization in Python, and most importantly, helps you make your storytelling more intuitive and persuasive.-
-
ebook
(104,25 zł najniższa cena z 30 dni)
125.10 zł
139.00 zł(-10%) -
-
Promocja Promocja 2za1
Graph data closes the gap between the way humans and computers view the world. While computers rely on static rows and columns of data, people navigate and reason about life through relationships. This practical guide demonstrates how graph data brings these two approaches together. By working with concepts from graph theory, database schema, distr-
-
ebook
(143,40 zł najniższa cena z 30 dni)
203.15 zł
239.00 zł(-15%) -
-
Promocja Promocja 2za1
Microsoft has changed the technology so customers can now select, evaluate and implement Microsoft Dynamics 365 and other applications for their enterprise. This book will provide insights and relevant information around Dynamics 365 Apps, trial experience and implementation of Dynamics 365 for Finance and Operations Apps-
-
ebook
(104,25 zł najniższa cena z 30 dni)
125.10 zł
139.00 zł(-10%) -
-
Promocja Promocja 2za1
Taking an engaging and practical approach, The Supervised Learning Workshop teaches you how to predict the output of new data, based on the relationship and behavior of?existing datasets. You'll learn at your own pace and use Python libraries and Jupyter to build intelligent predictive models.?-
-
ebook
Blaine Bateman, Ashish Ranjan Jha, Benjamin Johnston, Ishita Mathur, Tiffany Ford, Sukanya Mandal, Ashish Pratik Patil
(89,25 zł najniższa cena z 30 dni)
107.10 zł
119.00 zł(-10%) -
-
Promocja Promocja 2za1
A new edition of the bestselling Pandas cookbook updated to pandas 1.x with new chapters on creating and testing, and exploratory data analysis. Recipes are written with modern pandas constructs. This book also covers EDA, tidying data, pivoting data, time-series calculations, visualizations, and more.-
-
ebook
(171,75 zł najniższa cena z 30 dni)
206.10 zł
229.00 zł(-10%) -
-
Promocja Promocja 2za1
This book follows a step-by-step explanation of essential concepts, practical examples, and self-assessment questions. You will begin by learning the basics of DAX, along with important concepts such as evaluation contexts and data modeling, before moving on to more advanced topics such as query optimization.-
-
ebook
(89,25 zł najniższa cena z 30 dni)
107.10 zł
119.00 zł(-10%) -
-
Promocja Promocja 2za1
Python is becoming the number one language for data science and also quantitative finance. This book provides you with solutions to common tasks from the intersection of quantitative finance and data science, using modern Python libraries.-
-
ebook
(96,75 zł najniższa cena z 30 dni)
116.10 zł
129.00 zł(-10%) -
-
Promocja Promocja 2za1
Cut through the noise and get real results with a step-by-step approach to data science-
-
ebook
The Data Science Workshop. A New, Interactive Approach to Learning Data Science
Anthony So, Thomas Joseph, Robert Thas John, Andrew Worsley, Dr. Samuel Asare, Ivan Liu, Tiffany Ford, Barbora stetinova, Pritesh Tiwari
(96,75 zł najniższa cena z 30 dni)
116.10 zł
129.00 zł(-10%) -
-
Promocja Promocja 2za1
Feature engineering is invaluable for developing and enriching your machine learning models. In this book, you will work with the best Python tools to streamline your feature engineering pipelines, feature engineering techniques and simplify and improve the quality of your code.-
-
ebook
(96,75 zł najniższa cena z 30 dni)
116.10 zł
129.00 zł(-10%) -
-
Promocja Promocja 2za1
Tableau Desktop Certified Associate: Exam Guide is a practical book full of exercises and examples that help you master Tableau Desktop and successfully pass the certification with ease. This book includes complete, up-to-date coverage of the exam so you can take them with confidence, fully equipped to pass the first time.-
-
ebook
(96,75 zł najniższa cena z 30 dni)
116.10 zł
129.00 zł(-10%) -
-
Promocja Promocja 2za1
Opanuj techniki modelowania biznesowego i analiz wykorzystujące Microsoft Excel 2019 i przekształć swoje dane w użyteczne wnioski. Wayne Winston, zdobywca wielu nagród akademickich, dzieli się swoim ogromnym doświadczeniem na stronach praktycznego podręcznika. Nowe wydanie obejmuje zagadnienia od PowerQuery po nowe typy danych geografic-
ebook
(59,85 zł najniższa cena z 30 dni)
101.75 zł
119.70 zł(-15%) -
-
Promocja Promocja 2za1
This book will provide knowledge and hands-on practical experience required to build a good understanding of how modern electronic trading markets and market participants operate. You will learn how to design, build and operate all the components required to build a practical and profitable algorithmic trading business using Python.-
-
ebook
(104,25 zł najniższa cena z 30 dni)
125.10 zł
139.00 zł(-10%) -
-
Promocja Promocja 2za1
More than just a Python guide for beginners, The Python Workshop takes you through the full spectrum of basic to advanced topics, equipping you with the skills you need to get started with data science and more. Filled with practical step-by-step examples and interactive exercises, you'll learn by doing as you grow your new Python skillset.-
-
ebook
(141,75 zł najniższa cena z 30 dni)
170.10 zł
189.00 zł(-10%) -
-
Promocja 2za1
Podręcznik zawiera podstawową wiedzę na temat metod statystycznych oraz umiejętności ich wykorzystania do analizy i oceny wyników badań statystycznych prowadzonych przez studentów kierunków studiów związanych z turystyką i rekreacją. Wiedza ta może być przydatna podczas pisania pracy licencjackiej lub magisterskiej, a także do opracowania raportu z-
ebook
-
-
Promocja 2za1
W dobie Big Data, Internetu Rzeczy i sztucznej inteligencji zrozumienie znaczenia danych oraz zapoznanie się z możliwościami ich efektywnego przetwarzania decyduje o przyszłości większości przedsiębiorstw na rynku. Zmienia się sposób, w jaki dane są postrzegane w środowisku biznesowym, dlatego warto na bieżąco śledzić trendy odnoszące się do istotn-
ebook
-
-
Promocja Promocja 2za1
If you’re like most R users, you have deep knowledge and love for statistics. But as your organization continues to collect huge amounts of data, adding tools such as Apache Spark makes a lot of sense. With this practical book, data scientists and professionals working with large-scale data applications will learn how to use Spark from R to t-
-
ebook
(101,40 zł najniższa cena z 30 dni)
143.65 zł
169.00 zł(-15%) -
-
Promocja Promocja 2za1
Geospatial Analysis is used in almost every field you can think of from medicine to defense, to farming. Learning Geospatial Analysis with Python, Third Edition would be a helpful guide to Geographic Information Systems and Remote Sensing Analysis using Python 3.7 without overwhelming the reader.-
-
ebook
(134,25 zł najniższa cena z 30 dni)
161.10 zł
179.00 zł(-10%) -
-
Promocja Promocja 2za1
Learn how to fuse today's data science tools and techniques with your SAP enterprise resource planning (ERP) system. With this practical guide, SAP veterans Greg Foss and Paul Modderman demonstrate how to use several data analysis tools to solve interesting problems with your SAP data.Data engineers and scientists will explore ways to add SAP data-
-
ebook
(143,40 zł najniższa cena z 30 dni)
203.15 zł
239.00 zł(-15%) -
-
Promocja Promocja 2za1
Otwarte i wolno dostępne środowisko R zyskało w ostatnich latach ogromną popularność. Język R jest jednym z podstawowych narzędzi w warsztacie wielu analityków danych, statystyków, /data scientists/, badaczy opinii i rynku, specjalistów /business intelligence/ czy naukowców. Książka skupia się na dogłębnym wyjaśnieniu zasad funkcjonowania środowisk-
ebook
(64,48 zł najniższa cena z 30 dni)
83.20 zł
104.00 zł(-20%) -
-
Promocja Promocja 2za1
Książka stawia sobie za cel przygotować Czytelnika do samodzielnego przeprowadzenia całego procesu analizy danych, od pobrania i załadowania zbioru, przez jego wstępne przetworzenie i wyczyszczenie, aż po samą analizę, wizualizację wyników i ich interpretację. Wiemy, że pewne rozwiązania, które stworzy Czytelnik przeznaczone będą do wielokrotnego u-
ebook
(52,08 zł najniższa cena z 30 dni)
67.20 zł
84.00 zł(-20%) -
-
Promocja Promocja 2za1
Practical Machine Learning with R gives you the complete knowledge to solve your business problems - starting by forming a good problem statement, selecting the most appropriate model to solve your problem, and then ensuring that you do not overtrain the model.-
-
ebook
(89,25 zł najniższa cena z 30 dni)
107.10 zł
119.00 zł(-10%) -
-
Promocja Promocja 2za1
With detailed notes, tables, and examples, this handy reference will help you navigate the basics of structured machine learning. Author Matt Harrison delivers a valuable guide that you can use for additional support during training and as a convenient resource when you dive into your next machine learning project.Ideal for programmers, data scient-
-
ebook
(50,99 zł najniższa cena z 30 dni)
72.24 zł
84.99 zł(-15%) -
-
Promocja Promocja 2za1
Advanced Elasticsearch 7.0, will help the readers to leverage new features and Core APIs of Elasticsearch to perform advanced search operations. This book covers data modeling, aggregations, pipeline processing, and data Analytics using Elasticsearch-
-
ebook
(119,25 zł najniższa cena z 30 dni)
143.10 zł
159.00 zł(-10%) -
-
Promocja Promocja 2za1
SQL for Data Analytics teaches everything you need to know to progress from basic SQL to identifying trends and creating compelling narratives with data. With this book, you will be able to look at data with the critical eye of an analytics professional and extract meaningful insights that will improve your business.-
-
ebook
(171,75 zł najniższa cena z 30 dni)
206.10 zł
229.00 zł(-10%) -
-
Promocja Promocja 2za1
This Learning Path is your comprehensive guide to making machine data accessible across your organization using advanced dashboards. With over 80 realistic examples, you'll get several recipes to use Splunk and transform your data into business-critical insights.-
-
ebook
(134,25 zł najniższa cena z 30 dni)
161.10 zł
179.00 zł(-10%) -
-
Promocja Promocja 2za1
This book will be a handy guide to quickly learn pandas and understand how it can empower you in the exciting world of data manipulation, analysis, and data science. You will learn how to use pandas to perform numeric and statistical analysis using real-world examples. You will also visualize statistical data and apply pandas to different domains.-
-
ebook
(104,25 zł najniższa cena z 30 dni)
125.10 zł
139.00 zł(-10%) -
-
Promocja Promocja 2za1
Data Science with Python will help you get comfortable with using the Python environment for data science. You will learn all the libraries that a data scientist uses on a daily basis. By the end of this course, you will be able to take a large raw dataset, clean it, manipulate it, and run machine learning algorithms to obtain results that influenc-
-
ebook
(89,25 zł najniższa cena z 30 dni)
107.10 zł
119.00 zł(-10%) -
-
Promocja Promocja 2za1
This book aims to provide a gateway to financial modeling through easy to follow examples in Excel 2019. It will explore the process of modeling starting from a thorough understanding of the project to gathering historical information and arriving at assumptions. Good modeling practices are emphasized and demonstrated throughout the book.-
-
ebook
(89,25 zł najniższa cena z 30 dni)
107.10 zł
119.00 zł(-10%) -
-
Promocja Promocja 2za1
100% practical guide to understand and use Basic to Advance level Excel 2019 Key Features Whats New in Excel 2019 / Office 365 Putting Data into Excel Transforming and Managing the Data Formulas and Functions Data Analysis techniques Data Visualization techniques Multiple ways of Data Extraction Automation in Excel through Macros Description Ex-
-
ebook
(36,90 zł najniższa cena z 30 dni)
71.91 zł
79.90 zł(-10%) -
-
Promocja Promocja 2za1
Perform data analysis with R quickly and efficiently with more than 275 practical recipes in this expanded second edition. The R language provides everything you need to do statistical work, but its structure can be difficult to master. These task-oriented recipes make you productive with R immediately. Solutions range from basic tasks to input and-
-
ebook
(143,40 zł najniższa cena z 30 dni)
203.15 zł
239.00 zł(-15%) -
-
Promocja Promocja 2za1
Opanuj skuteczne, gotowe do użycia rozwiązania biznesowe dla sztucznej inteligencji i uczenia maszynowego AI podejście pragmatyczne pomaga rozwiązywać praktyczne problemy przy użyciu nowoczesnego uczenia maszynowego, sztucznej inteligencji i chmurowych narzędzi obliczeniowych. Noah Gift demistyfikuje wszelkie koncepcje i narzędzia potrzebne do osią-
ebook
(34,95 zł najniższa cena z 30 dni)
59.42 zł
69.90 zł(-15%) -
-
Promocja Promocja 2za1
Principles of Strategic Data Science describes a framework that creates value from data to help organizations meet their objectives. With this book, you'll bridge the gap between mathematics and computer science and also gain insight into the workings of the entire data science pipeline.-
-
ebook
(52,43 zł najniższa cena z 30 dni)
62.91 zł
69.90 zł(-10%) -

