Power BI: Changing The Data Type of a Custom Column Using the M Language
In this video, Angelica will show you how to change the data types of a custom column you have created using the M language in Power Query.
In this video, Angelica will show you how to change the data types of a custom column you have created using the M language in Power Query. Changing the data type when creating a new custom column keeps you from adding unnecessary steps to the Applied Steps list.
Power BI is a powerful data analysis and visualization tool that enables users to take advantage of their data in new and exciting ways. The M language is a powerful language used to create custom data transformations in Power BI.
It can be used to change the data type of a custom column in Power BI. Changing the data type of a column allows users to better analyze their data and may also help make the data more meaningful. This article will explain how to use the M language to change the data type of a custom column in Power BI. It will also discuss some of the benefits of changing the data type and how it can improve the results of a data analysis.
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Assigning data type to Custom Column · Go to Add Column Click Custom Column · Name the column DoubleNumbers fill in formula = [Numbers] * 2 · Click OK.
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This was tested in Power BI Desktop using List.Transform to transform the list of column names into the arguments for the Table.