psi.tukey: Derivative of Tukey's bi-square loss function.
In rmargint: Robust Marginal Integration Procedures
psi.tukey R Documentation
Derivative of Tukey's bi-square loss function.
Description
This function evaluates the first derivative of Tukey's bi-square loss function.
Usage
psi.tukey(r, k = 4.685)
Arguments
r
A vector of real numbers
k
A positive tuning constant.
Details
This function evaluates the first derivative of Tukey's bi-square loss function.
Value
A vector of the same length as r.
Author(s)
Matias Salibian-Barrera, matias@stat.ubc.ca, Alejandra Martinez
Examples
x <- seq(-2, 2, length=10)
psi.tukey(r=x, k = 1.5)
rmargint documentation built on Oct. 24, 2023, 1:06 a.m.
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| psi.tukey | R Documentation |
Derivative of Tukey's bi-square loss function.
Description
This function evaluates the first derivative of Tukey's bi-square loss function.
Usage
psi.tukey(r, k = 4.685)
Arguments
r |
A vector of real numbers |
k |
A positive tuning constant. |
Details
This function evaluates the first derivative of Tukey's bi-square loss function.
Value
A vector of the same length as r.
Author(s)
Matias Salibian-Barrera, matias@stat.ubc.ca, Alejandra Martinez
Examples
x <- seq(-2, 2, length=10)
psi.tukey(r=x, k = 1.5)
R Package Documentation
Browse R Packages
We want your feedback!
Note that we can't provide technical support on individual packages. You should contact the package authors for that.
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