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In reporting, colgroups and rowgroups can also be used for grouping of collapsible categories in the presentation of a table (with or without aggregation for the groups). One example of a use case may be if a table contains a lot of detailed information, but there is a want to display summarizing
260:), colgroups and rowgroups can be used for constructing tables and matrices which dynamically adjusts the size of their columns and rows, respectively, by displaying the set of columns in the colgroup set (which again is a subset of the underlying data).
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is an interpretation of a matrix as being broken down into submatrices which may be more precisely referred to as a collection of row groups and column groups
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393:"Filter, group, and sort data in paginated reports - Microsoft Report Builder & Power BI Report Builder | Microsoft Learn"
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of columns or rows, respectively. Short names or notational names include
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420:"JavaScript Data Grid: Row Grouping - Group Rows"
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208:row group
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269:See also
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229:and an
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