gdp: gdp penalty function

In YipengUva/RpESCA: R implementaion of pESCA models with various concave penalties

Description

This function define the gdp penalty. The formula is gdp(x) =lambda*log(1+x/gamma). Details can be found in https://arxiv.org/abs/1807.04982.

Usage

gdp(x, gamma, lambda)

Arguments

x	a non-negative numeric value
gamma	hyper-tuning parameter
lambda	tuning parameter

Value

the value of gdp penalty

Examples

## Not run: gdp(0:9,gamma=1,lambda=5)

YipengUva/RpESCA documentation built on July 2, 2019, 6:41 p.m.