Pro Data Mashup for Power BI: Master Power Query & M Language to Find, Load & Transform Data - Business Analytics & Reporting Solutions
$32.13
$42.85
Safe 25%
Pro Data Mashup for Power BI: Master Power Query & M Language to Find, Load & Transform Data - Business Analytics & Reporting Solutions
$32.13
$42.85
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Description
This book provides all you need to find data from external sources and load and transform that data into Power BI where you can mine it for business insights and a competitive edge. This ranges from connecting to corporate databases such as Azure SQL and SQL Server to file-based data sources, and cloud- and web-based data sources. The book also explains the use of Direct Query and Live Connect to establish instant connections to databases and data warehouses and avoid loading data. The book provides detailed guidance on techniques for transforming inbound data into normalized data sets that are easy to query and analyze. This covers data cleansing, data modification, and standardization as well as merging source data into robust data structures that can feed into your data model. You will learn how to pivot and transpose data and extrapolate missing values as well as harness external programs such as R and Python into a Power Query data flow. You also will see how to handle errors in source data and extend basic data ingestion to create robust and parameterized data load and transformation processes. Everything in this book is aimed at helping you deliver compelling and interactive insight with remarkable ease using Power BI’s built-in data load and transformation tools.What You Will LearnConnect Power BI to a range of external data sourcesPrepare data from external sources for easy analysis in Power BI Cleanse data from duplicates, outliers, and other bad valuesMake live connections from which to refresh data quickly and easilyApply advanced techniques to interpolate missing dataWho This Book Is ForAll Power BI users from beginners to super users. Any user of the world’s leading dashboarding toolcan leverage the techniques explained in this book to turbo-charge their data preparation skills and learn how a wide range of external data sources can be harnessed and loaded into Power BI to drive their analytics. No previous knowledge of working with data, databases, or external data sources is required―merely the need to find, transform, and load data into Power BI..
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Reviews
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Verified Buyer
5
I've now added a few of the Apress titles to my library and I won't be adding more. There are various books devoted to Power Query but fewer than get into 'M' in any detail; I'd hoped this might be one of them.The first 1/3 (just an approximation) is devoted to connecting to data sources. Fine, but leave that in your introductory texts.Next we have Power Query and the standard (for this publisher) of the run through the menu and the various options we've seen in use countless times before: split a column, hit pivot. All, of course, devoid of any real-world problems that these might solve. So you'll need to largely read the text and hope you can identify what is going to be suitable to your specific needs.'M', as the mashup language, has around 30 pages tacked on and is, once again, generally a list of a few things you might expect for anyone who's even looking for more detail: data types, lists, etc. All very standard and something that, in a font not as large as they tend to use here, is something that would fill half that number in a normal publication and is the kind of content you'll find on the web.I understand this publisher has their 'Cookbook' series but there's just nothing here that supports the cost. At near $90 for the printed version, it's a repeat of content used elsewhere and simply not presented with anything more of value than what's become somewhat standard for these volumes: point out an option, offer a screenshot of it in action and hope the reader can piece these together into a solution.I dare say the author knows his stuff but it's not reflected in this publication.
