Choi and Hall Style Data Sharpening

Documentation for package ‘CHsharp’ version 0.4

d	A really neat data set
lambda	Penalty Parameter Selector
MISE	Approximate Mean Integrated Squared Error
numericalDerivative	Numerical Derivative of Smooth Function
penlocreg	Penalized Local Polynomial Regression
pllr	Penalized Local Linear Regression
SecondDerivativePenalty	A Roughness Penalty Based on the Squared Second Derivative
sharp1d	Data Sharpening for Density Estimation
sharp2d	Identify Cluster Centres for 2-dimensional Data via Data Sharpening
sharp3d	Identify Cluster Centres for 3-dimensional Data via Data Sharpening
sharp3dB	Identify Cluster Centres for 3-dimensional Data via Data Sharpening
sharpen	Penalized Data Sharpening Operator for Local Polynomial Regression