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SUMMARIZE

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Applies to: Calculated column Calculated table Measure Visual calculation

Returns a summary table for the requested totals over a set of groups.

Syntax

SUMMARIZE (<table>, <groupBy_columnName>[, <groupBy_columnName>]…[, <name>, <expression>]…)

Parameters

Term Definition
table Any DAX expression that returns a table of data.
groupBy_ColumnName (Optional) The qualified name of an existing column used to create summary groups based on the values found in it. This parameter cannot be an expression.
name The name given to a total or summarize column, enclosed in double quotes.
expression Any DAX expression that returns a single scalar value, where the expression is to be evaluated multiple times (for each row/context).

Return value

A table with the selected columns for the groupBy_columnName arguments and the summarized columns designed by the name arguments.

Remarks

  • Each column for which you define a name must have a corresponding expression; otherwise, an error is returned. The first argument, name, defines the name of the column in the results. The second argument, expression, defines the calculation performed to obtain the value for each row in that column.

  • groupBy_columnName must be either in table or in a related table to table.

  • Each name must be enclosed in double quotation marks.

  • The function groups a selected set of rows into a set of summary rows by the values of one or more groupBy_columnName columns. One row is returned for each group.

  • This function is not supported for use in DirectQuery mode when used in calculated columns or row-level security (RLS) rules.

Example

The following example returns a summary of the reseller sales grouped around the calendar year and the product category name, this result table allows you to do analysis over the reseller sales by year and product category.

SUMMARIZE(ResellerSales_USD
      , DateTime[CalendarYear]
      , ProductCategory[ProductCategoryName]
      , "Sales Amount (USD)", SUM(ResellerSales_USD[SalesAmount_USD])
      , "Discount Amount (USD)", SUM(ResellerSales_USD[DiscountAmount])
      )

The following table shows a preview of the data as it would be received by any function expecting to receive a table:

DateTime[CalendarYear] ProductCategory[ProductCategoryName] [Sales Amount (USD)] [Discount Amount (USD)]
2008 Bikes 12968255.42 36167.6592
2005 Bikes 6958251.043 4231.1621
2006 Bikes 18901351.08 178175.8399
2007 Bikes 24256817.5 276065.992
2008 Components 2008052.706 39.9266
2005 Components 574256.9865 0
2006 Components 3428213.05 948.7674
2007 Components 5195315.216 4226.0444
2008 Clothing 366507.844 4151.1235
2005 Clothing 31851.1628 90.9593
2006 Clothing 455730.9729 4233.039
2007 Clothing 815853.2868 12489.3835
2008 Accessories 153299.924 865.5945
2005 Accessories 18594.4782 4.293
2006 Accessories 86612.7463 1061.4872
2007 Accessories 275794.8403 4756.6546

With ROLLUP

The addition of the ROLLUP syntax modifies the behavior of the SUMMARIZE function by adding rollup rows to the result on the groupBy_columnName columns. ROLLUP can only be used within a SUMMARIZE expression.

Example

The following example adds rollup rows to the Group-By columns of the SUMMARIZE function call:

SUMMARIZE(ResellerSales_USD
      , ROLLUP( DateTime[CalendarYear], ProductCategory[ProductCategoryName])
      , "Sales Amount (USD)", SUM(ResellerSales_USD[SalesAmount_USD])
      , "Discount Amount (USD)", SUM(ResellerSales_USD[DiscountAmount])
)

Returns the following table,

DateTime[CalendarYear] ProductCategory[ProductCategoryName] [Sales Amount (USD)] [Discount Amount (USD)]
2008 Bikes 12968255.42 36167.6592
2005 Bikes 6958251.043 4231.1621
2006 Bikes 18901351.08 178175.8399
2007 Bikes 24256817.5 276065.992
2008 Components 2008052.706 39.9266
2005 Components 574256.9865 0
2006 Components 3428213.05 948.7674
2007 Components 5195315.216 4226.0444
2008 Clothing 366507.844 4151.1235
2005 Clothing 31851.1628 90.9593
2006 Clothing 455730.9729 4233.039
2007 Clothing 815853.2868 12489.3835
2008 Accessories 153299.924 865.5945
2005 Accessories 18594.4782 4.293
2006 Accessories 86612.7463 1061.4872
2007 Accessories 275794.8403 4756.6546
2008 15496115.89 41224.3038
2005 7582953.67 4326.4144
2006 22871907.85 184419.1335
2007 30543780.84 297538.0745
76494758.25 527507.9262

With ROLLUPGROUP

The addition of ROLLUPGROUP inside a ROLLUP syntax can be used to prevent partial subtotals in rollup rows. ROLLUPGROUP can only be used within a ROLLUP, ROLLUPADDISSUBTOTAL, or ROLLUPISSUBTOTAL expression.

Example

The following example shows only the grand total of all years and categories without the subtotal of each year with all categories:

SUMMARIZE(ResellerSales_USD
      , ROLLUP(ROLLUPGROUP( DateTime[CalendarYear], ProductCategory[ProductCategoryName]))
      , "Sales Amount (USD)", SUM(ResellerSales_USD[SalesAmount_USD])
      , "Discount Amount (USD)", SUM(ResellerSales_USD[DiscountAmount])
)

Returns the following table,

DateTime[CalendarYear] ProductCategory[ProductCategoryName] [Sales Amount (USD)] [Discount Amount (USD)]
2008 Bikes 12968255.42 36167.6592
2005 Bikes 6958251.043 4231.1621
2006 Bikes 18901351.08 178175.8399
2007 Bikes 24256817.5 276065.992
2008 Components 2008052.706 39.9266
2005 Components 574256.9865 0
2006 Components 3428213.05 948.7674
2007 Components 5195315.216 4226.0444
2008 Clothing 366507.844 4151.1235
2005 Clothing 31851.1628 90.9593
2006 Clothing 455730.9729 4233.039
2007 Clothing 815853.2868 12489.3835
2008 Accessories 153299.924 865.5945
2005 Accessories 18594.4782 4.293
2006 Accessories 86612.7463 1061.4872
2007 Accessories 275794.8403 4756.6546
76494758.25 527507.9262

With ISSUBTOTAL

With ISSUBTOTAL, you can create another column in the SUMMARIZE expression that returns True if the row contains subtotal values for the column given as argument to ISSUBTOTAL, otherwise returns False. ISSUBTOTAL can only be used within a SUMMARIZE expression.

Example

The following sample generates an ISSUBTOTAL column for each of the ROLLUP columns in the given SUMMARIZE function call:

SUMMARIZE(ResellerSales_USD
      , ROLLUP( DateTime[CalendarYear], ProductCategory[ProductCategoryName])
      , "Sales Amount (USD)", SUM(ResellerSales_USD[SalesAmount_USD])
      , "Discount Amount (USD)", SUM(ResellerSales_USD[DiscountAmount])
      , "Is Sub Total for DateTimeCalendarYear", ISSUBTOTAL(DateTime[CalendarYear])
      , "Is Sub Total for ProductCategoryName", ISSUBTOTAL(ProductCategory[ProductCategoryName])
)

Returns the following table,

[Is Sub Total for DateTimeCalendarYear] [Is Sub Total for ProductCategoryName] DateTime[CalendarYear] ProductCategory[ProductCategoryName] [Sales Amount (USD)] [Discount Amount (USD)]
FALSE FALSE
FALSE FALSE 2008 Bikes 12968255.42 36167.6592
FALSE FALSE 2005 Bikes 6958251.043 4231.1621
FALSE FALSE 2006 Bikes 18901351.08 178175.8399
FALSE FALSE 2007 Bikes 24256817.5 276065.992
FALSE FALSE 2008 Components 2008052.706 39.9266
FALSE FALSE 2005 Components 574256.9865 0
FALSE FALSE 2006 Components 3428213.05 948.7674
FALSE FALSE 2007 Components 5195315.216 4226.0444
FALSE FALSE 2008 Clothing 366507.844 4151.1235
FALSE FALSE 2005 Clothing 31851.1628 90.9593
FALSE FALSE 2006 Clothing 455730.9729 4233.039
FALSE FALSE 2007 Clothing 815853.2868 12489.3835
FALSE FALSE 2008 Accessories 153299.924 865.5945
FALSE FALSE 2005 Accessories 18594.4782 4.293
FALSE FALSE 2006 Accessories 86612.7463 1061.4872
FALSE FALSE 2007 Accessories 275794.8403 4756.6546
FALSE TRUE
FALSE TRUE 2008 15496115.89 41224.3038
FALSE TRUE 2005 7582953.67 4326.4144
FALSE TRUE 2006 22871907.85 184419.1335
FALSE TRUE 2007 30543780.84 297538.0745
TRUE TRUE 76494758.25 527507.9262

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