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CauchitLinkFunctionDerivative2 Method |
First derivative of the mean function
expressed in terms of it's output.
Namespace: Accord.Statistics.Links
Assembly: Accord.Statistics (in Accord.Statistics.dll) Version: 3.8.0
SyntaxRequest Example
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The first derivative of the input value.
Parameters
- y
- Type: SystemDouble
The reverse transformed value.
Return Value
Type: DoubleThe first derivative of the input value.
Implements
ILinkFunctionDerivative2(Double)Remarks
The first derivative of the Cauchit link function
in terms of y = f(x) is given by
f'(y) = B / (tan((y - A) / B)² + 1)
See Also