{"title":"Omid Motamedisedeh","description":null,"products":[{"product_id":"ultimate-guide-to-functions-in-power-query-book-omid-motamedisedeh-9781484297537","title":"The Ultimate Guide to Functions in Power Query","description":"This book is a complete guide to using functions in Power Query and is designed to help users of all skill levels learn and master its various functions.    The Ultimate Guide to Functions in Power Query begins with an introduction to Power Query and an overview of the different types of functions available, along with detailed explanations of how to use each of them. You’ll see how to leverage power functions to process and transform large datasets from various sources and learn advanced techniques such as creating custom functions and using conditional statements. The book also covers best practices for using functions, including tips on how to optimize query performance and troubleshoot common errors. Using practical example applications, Author Omid Motamedisedeh demonstrates how to optimize your data processing workflows, saving time and boosting productivity.    By the end of the book, readers will have a deep understanding of Power Query functions and be ableto apply their knowledge to a wide range of data analysis tasks.    What You Will Learn        Master the fundamentals of Power Query, including how to load and transform data from various sources Understand all the functions available in Power Query, including text, date\/time, logical, numeric, and more Use functions to transform data and perform complex calculations Employ advanced techniques such as custom functions, conditional statements, and working with parameters Optimize query performance, handle errors, and use the M language effectively Use real-world examples and exercises to hone your skills and gain practical experience with the tool                Who This Book Is For    Anyone who wants to learn how to use functions in Power Query to transform and analyze data. This includes data analysts, business analysts, Excel users, and data scientists. Readers should have a basic understanding of Excel and data analysis concepts, but may be new to Power Query and functions.","brand":"WoB","offers":[{"title":"GB \/ NEW \/ GARDNERS","offer_id":49748204912913,"sku":"NGR9781484297537","price":0.0,"currency_code":"GBP","in_stock":true},{"title":"US \/ NEW \/ INGRAM","offer_id":51029549744401,"sku":"NIN9781484297537","price":0.0,"currency_code":"GBP","in_stock":false},{"title":"GB \/ NEW \/ INGRAM","offer_id":52336347840785,"sku":"NLS9781484297537","price":0.0,"currency_code":"GBP","in_stock":true},{"title":"US \/ GOOD \/ SBYB","offer_id":52815541633297,"sku":"CIN1484297539G","price":0.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0784\/4072\/6801\/files\/1484297539.jpg?v=1751306717"},{"product_id":"96-common-challenges-in-power-query-book-omid-motamedisedeh-9798868812873","title":"96 Common Challenges in Power Query","description":"This comprehensive guide is designed to address the most frequent and challenging issues faced by users of Power Query, a powerful data transformation tool integrated into Excel, Power BI, and Microsoft Azure. By tackling 96 real-world problems with practical, step-by-step solutions, this book is an essential resource for data analysts, Excel enthusiasts, and Power BI professionals. It aims to enhance your data transformation skills and improve efficiency in handling complex data sets.    Structured into 12 chapters, the book covers specific areas of Power Query such as data extraction, referencing, column splitting and merging, sorting and filtering, and pivoting and unpivoting tables. You will learn to combine data from Excel files with varying column names, handle multi-row headers, perform advanced filtering, and manage missing values using techniques such as linear interpolation and K-nearest neighbors (K-NN) imputation. The book also dives into advanced Power Query functions such as Table.Group, List.Accumulate, and List.Generate, explored through practical examples such as calculating running totals and implementing complex grouping and iterative processes. Additionally, it covers crucial topics such as error-handling strategies, custom function creation, and the integration of Python and R with Power Query.    In addition to providing explanations on the use of functions and the M language for solving real-world challenges, this book discusses optimization techniques for data cleaning processes and improving computational speed. It also compares the execution time of functions across different patterns and proposes the optimal approach based on these comparisons.    In today’s data-driven world, mastering Power Query is crucial for accurate and efficient data processing. But as data complexity grows, so do the challenges and pitfalls that users face. This book serves as your guide through the noise and your key to unlocking the full potential of Power Query. You’ll quickly learn to navigate and resolve common issues, enabling you to transform raw data into actionable insights with confidence and precision.         What You Will Learn      Master data extraction and transformation techniques for various Excel file structures Apply advanced filtering, sorting, and grouping methods to organize and analyze data Leverage powerful functions such as Table.Group, List.Accumulate, and List.Generate for complex transformations Optimize queries to execute faster Create and utilize custom functions to handle iterative processes and advanced list transformation Implement effective error-handling strategies, including removing erroneous rows and extracting error reasons Customize Power Query solutions to meet specific business needs and share custom functions across files         Who This Book Is For    Aspiring and developing data professionals using Power Query in Excel or Power BI who seek practical solutions to enhance their skills and streamline complex data transformation workflows","brand":"WoB","offers":[{"title":"GB \/ NEW \/ INGRAM","offer_id":53636199809297,"sku":"NLS9798868812873","price":0.0,"currency_code":"GBP","in_stock":true},{"title":"US \/ NEW \/ INGRAM","offer_id":53664060440849,"sku":"NIN9798868812873","price":0.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0784\/4072\/6801\/files\/9798868812873.jpg?v=1780999707"}],"url":"https:\/\/www.worldofbooks.com\/collections\/author-books-by-omid-motamedisedeh.oembed","provider":"World of Books ","version":"1.0","type":"link"}