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version 3
Std deviation (series) 
Number
| Parameter | Type | Description | |
| series | Field or subfield | | Data for which to return the standard deviation |
| Function result | Number |  | Standard deviation of series |
Description
Std deviation returns the standard deviation of series. If series is an indexed field, the index is used to find the standard deviation. You can only use a field with this function when printing a report.
Example
The following example is an object method for the variable vDeviate. The object method assigns the standard deviation for a data series to vDeviate:
vDeviate:= Std deviation ([Table1]DataSeries)
The following method is called to print the records in the selection and to activate break processing:
ALL RECORDS ([Table1]) ORDER BY ([Table1];[Table1]DataSeries;>) BREAK LEVEL (1) ACCUMULATE ([Table1]DataSeries) OUTPUT FORM ([Table1];"PrintForm") PRINT SELECTION ([Table1])
Note: The parameter to the BREAK LEVEL command should be equal to the number of breaks in your report. For more information about break processing, refer to the printing commands.
See Also
Average, Sum, Sum squares, Variance.
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