Fractile - script function

Fractile() finds the value that corresponds to the inclusive fractile (quantile) of the aggregated data in the expression over a number of records as defined by a group by clause.

Syntax:  

Return data type: numeric

The function returns the value corresponding to the rank as defined by rank = fraction * (N-1) + 1 where N is the number of values in expr. If rank is a non-integer number, an interpolation is made between the two closest values.

Arguments:  

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.

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 '|');