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CHsharp (version 0.4)

Choi and Hall Style Data Sharpening

Description

Functions for use in perturbing data prior to use of nonparametric smoothers and clustering.

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Version

Install

install.packages('CHsharp')

Monthly Downloads

30

Version

0.4

License

GPL-3

Maintainer

W.J. Braun

Last Published

October 15th, 2015

Functions in CHsharp (0.4)

pllr

Penalized Local Linear Regression
MISE

Approximate Mean Integrated Squared Error
penlocreg

Penalized Local Polynomial Regression
sharp3dB

Identify Cluster Centres for 3-dimensional Data via Data Sharpening
sharp2d

Identify Cluster Centres for 2-dimensional Data via Data Sharpening
sharp3d

Identify Cluster Centres for 3-dimensional Data via Data Sharpening
SecondDerivativePenalty

A Roughness Penalty Based on the Squared Second Derivative
lambda

Penalty Parameter Selector
sharpen

Penalized Data Sharpening Operator for Local Polynomial Regression
d

A really neat data set
sharp1d

Data Sharpening for Density Estimation
numericalDerivative

Numerical Derivative of Smooth Function