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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:  

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 app and run it. To see the result, add the fields listed in the results column to a sheet in your app.

Resulting data
Example Result
Table1:
Crosstable (Type, Value)
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 data load script are:

Type MyKurtosis1 MyKurtosis2

Comparison -1.1612957 -1.4982366

Observation -1.1148768 -0.93540144

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