XLeratorDB/statistics Documentation
Updated: 09 August 2010
Use FISHER to calculate the Fisher transformation at x. The equation for the Fisher transformation is:
Syntax
SELECT [wctStatistics].[wct].[FISHER] (
<@X, float,>)
Arguments
@X
is the value for which you want the transformation. @X is an expression of type float or of a type that can be implicitly converted to float.
Return Types
float
Remarks
· If @X is less than or equal to -1 or greater than or equal to 1, FISHER returns an error.
· FISHER(@X) = ATANH(@X)
Examples
Select wct.FISHER(.75)
This produces the following result
----------------------
0.972955074527657
(1 row(s) affected)
select wct.ATANH(.75)
This produces the following result
----------------------
0.972955074527657
(1 row(s) affected)