PowerPivot - DAX (function)

Catalog

One 、CALCULATE（ a key ）

        1、 Introduce

        2、 grammar

        3、 Parameters          

                4、 example

Two 、FILTER

        1、 Introduce

        2、 grammar

        3、 example

3、 ... and 、ALL 

        1、 Introduce

        2、 grammar

        3、 example

Four 、RELATED 

        1、 Introduce

        2、 grammar

         3、 example ​

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One 、CALCULATE（ a key ）

        1、 Introduce

         Evaluate the expression in the modified filter context .

        2、 grammar

CALCULATE(<expression>[, <filter1> [, <filter2> [, …]]])

        3、 Parameters             The expression used as the first parameter is essentially the same as the measure .        

         Filter can be ：

                 Boolean filter expression

                 Table filter expression

                 Filter modification function

         If there are multiple filters , have access to AND (&&) Logical operators To calculate these filters , This means that all conditions must be TRUE, Or use OR (||) Logical operators to calculate , This means that only one condition is true that will do .

        4、 example

 

 

Two 、FILTER

        1、 Introduce

         Return to a table , Used to represent a subset of another table or expression .

        2、 grammar

FILTER(<table>,<filter>)

         

          You can use FILTER Reduce the number of rows to be used in the table , And only specific data is used in the calculation . FILTER Do not use alone , Instead, it is used as a function embedded in other functions that require tables as parameters .

        3、 example

 

3、 ... and 、ALL 

        1、 Introduce

         Return all values in all rows or columns in the table , Also ignore any filters that may have been applied . This function is very useful for clearing filters for all rows in the table and creating calculations for all rows in the table .

        2、 grammar

ALL( [<table> | <column>[, <column>[, <column>[,…]]]] )

        3、 example

         

 

Four 、RELATED 

        1、 Introduce

         Return relevant values from other tables .

        2、 grammar

RELATED(<column>)

         3、 example

            At this time, the data of a table needs to be spliced together