An example of a U.S. classified document; page 13 of a United States National Security Agency report on the USS Liberty incident, partially declassified and released to the public in July 2003. The original overall classification of the page, Top Secret code word UMBRA, is shown at top and bottom.
The Data Analysis Expressions (DAX) language is a formula language that allows users to define custom calculations in calculated columns and measures. DAX includes some of the functions that are used in Excel formulas, and additional functions that are designed to work with relational data and perform dynamic aggregation.
Logical DAX Functions. Function. Description. Sample code. IF(logical_test>, <value_if_true> , value_if_false) Checks if a condition provided as the first argument is met. Returns one value if the condition is TRUE, and returns another value if the condition is FALSE. Changes FALSE to TRUE, or TRUE to FALSE. Returns all the rows in a table, or all the values in a column, ignoring any filters that might have been applied.