RangeFractile - script and chart function
RangeFractile() returns the value that corresponds to the n-th fractile (quantile) of a range of numbers.
Syntax:
RangeFractile(fractile, first_expr[, Expression])
Return data type: numeric
Arguments:
The arguments of this function may contain inter-record functions which in themselves return a list of values.
Argument | Description | ||||||||||||||||
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A number between 0 and 1 corresponding to the fractile (quantile expressed as a fraction) to be calculated. | ||||||||||||||||
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The expression or field containing the data to be measured. | ||||||||||||||||
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Optional expressions or fields containing the range of data to be measured. | ||||||||||||||||
Add the example script to your app and run it. Then add, at least, the fields listed in the results column to a sheet in your app to see the result. RangeTab: LOAD recno() as RangeID, RangeFractile(0.5,Field1,Field2,Field3) as MyRangeFrac INLINE [ Field1, Field2, Field3 10,5,6 2,3,7 8,2,8 18,11,9 5,5,9 9,4,2 ]; |
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Examples and results:
Examples | Results |
---|---|
RangeFractile (0.24,1,2,4,6) | Returns 1.72 |
RangeFractile(0.5,1,2,3,4,6) |
Returns 3 |
RangeFractile (0.5,1,2,5,6) |
Returns 3.5 |
Example with expression:
RangeFractile (0.5, Above(Sum(MyField),0,3))
In this example, the inter-record function Above() contains the optional
MyField | RangeFractile(0.5, Above(Sum(MyField),0,3)) |
---|---|
1 | 1 |
2 | 1.5 |
3 | 2 |
4 | 3 |
5 | 4 |
6 | 5 |
Data used in examples:
RangeTab:
LOAD * INLINE [
MyField
1
2
3
4
5
6
] ;