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InterSystems IRIS Data Platform 2019.3 / Application Development / InterSystems MDX Reference / MDX Functions / LOG
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LOG

Returns the base-ten logarithm of the given numeric value.

Returned Type

This function returns a number.

Syntax and Details

LOG(numeric_expression)
Where:

Example

The first example shows the base-ten logarithm for the %COUNT measure:
SELECT LOG(MEASURES.[%COUNT]) ON 0 FROM patients
 
                                       LOG
                                          4

The next example uses the %LABEL function to apply a more detailed caption:
SELECT %LABEL(LOG(MEASURES.[%COUNT]),"LOG PAT CNT") ON 0 FROM patients
 
                               LOG PAT CNT
                                          4

See Also

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