# Kurtosis - script function
Kurtosis() returns the kurtosis of the data in the expression over a number of records as defined by a group by clause.
Syntax:
Kurtosis([distinct ] expr )
Return data type: numeric
Arguments:
Kurtosis arguments
| Argument | Description |
| --- | --- |
| expr | The expression or field containing the data to be measured. |
| distinct | If the word distinct
occurs before the expression, all duplicates will be disregarded. |
Examples and results:
Add the example script to your document and run it. Then add, at least, the fields listed in the results column to a sheet in your document to see the result.
Examples and results
| Example | Result |
| --- | --- |
| `Table1:`
`crosstable LOAD recno() as ID, * inline [`
`Observation\|Comparison`
`35\|2`
`40\|27`
`12\|38`
`15\|31`
`21\|1`
`14\|19`
`46\|1`
`10\|34`
`28\|3`
`48\|1`
`16\|2`
`30\|3`
`32\|2`
`48\|1`
`31\|2`
`22\|1`
`12\|3`
`39\|29`
`19\|37`
`25\|2 ] (delimiter is '\|');` `Kurtosis1:``LOAD Type,`` Kurtosis(Value) as MyKurtosis1, `` Kurtosis(DISTINCT Value) as MyKurtosis2 ``Resident Table1 Group By Type;
`` ` | In a table with the dimensions `Type`, `MyKurtosis1`,and `MyKurtosis2`, the results of the Kurtosis() calculations in the load script are:
`Type MyKurtosis1 MyKurtosis2`
`Comparison -1.1612957 -1.4982366`
`Observation -1.1148768 -0.93540144` |