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What is the Power Query M Function Table?

The Power Query M function Table is a function that allows users to create tables of data in Excel. These tables can be used to hold and manipulate data, which can then be used in further calculations and analyses. The Table function can be used to create tables from a variety of sources, including text files, Excel spreadsheets, and databases.

The M Code Behind the Power Query M Function Table

The M code behind the Power Query M function Table is what makes it such a powerful tool. This code is used to create, manipulate, and transform tables of data in Excel. The following is a brief overview of the M code that is used to create tables in Power Query.

Creating Tables

To create a table in Power Query, users must first define the columns of the table. This is done using the Table.AddColumn function, which allows users to add columns to the table. Columns can be added using a variety of methods, including hard-coding values, referencing other columns, and using custom functions.

Transforming Tables

Once a table has been created, users can begin to transform the data within the table. This is done using a variety of functions, including Table.TransformColumnTypes, which allows users to change the data type of a column, and Table.SelectColumns, which allows users to select specific columns to include in the table.

Filtering Tables

Users can also filter tables in Power Query using the Table.SelectRows function. This function allows users to filter tables based on specific criteria, such as column values or text matches. Users can also use the Table.Combine function to combine tables together into a single table.

Sorting Tables

Tables can be sorted in Power Query using the Table.Sort function. This function allows users to sort tables based on one or more columns, and can be used to sort tables in ascending or descending order.

Grouping Tables

The Table.Group function can be used to group data within a table. This function allows users to group data based on one or more columns, and can be used to calculate aggregate values, such as sums or averages, for each group.

The Power Query M function Table is a powerful tool that allows users to create, manipulate, and transform tables of data in Excel. The M code behind this function is what makes it such a useful tool, allowing users to create new tables, transform existing data, filter and sort data, and group data in a variety of ways. By using the M code behind the Power Query M function Table, users can gain a deeper understanding of how this function works, and can use it to analyze and transform data in even more powerful ways.

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