XLeratorDB/statistics Documentation
Updated: 9 August 2010
Use FISHERINV to calculate the inverse of the Fisher transformation. The equation for the inverse of the Fisher transformation:
Syntax
SELECT [wctStatistics].[wct].[FISHERINV] (
<@Y, float,>)
Arguments
@Y
is the value for which you want perform the inverse of the transformation. @Y is an expression of type float or of a type that can be implicitly converted to float.
Return Types
float
Remarks
· FISHERINV(@Y) = TANH(@Y)
Examples
select wct.FISHERINV(0.972955074527657)
This produces the following result
----------------------
0.75
(1 row(s) affected)
select wct.TANH(0.972955074527657)
This produces the following result
----------------------
0.75
(1 row(s) affected)