Click or drag to resize
Accord.NET (logo)

LogitLinkFunctionDerivative Method

First derivative of the Inverse(Double) function.

Namespace:  Accord.Statistics.Links
Assembly:  Accord.Statistics (in Accord.Statistics.dll) Version: 3.8.0
Syntax
Copy
public double Derivative(
	double x
)
Request Example View Source

Parameters

x
Type: SystemDouble
The input value.

Return Value

Type: Double
The first derivative of the input value.

Implements

ILinkFunctionDerivative(Double)
Remarks
The first derivative of the identity link function is given by f'(x) = y * (1.0 - y) where y = f(x) is the Logit function.
See Also