rqPen (version 2.2.2)

nonzero: Nonzero

Description

Calls nonzero function based on object.

Usage

nonzero(obj)

Arguments

obj

Model.

Value

Returns if coefficients or groups are nonzero or not. TRUE if they are not zero and FALSE if they are.

Examples

# NOT RUN {
x <- matrix(rnorm(400),nrow=100)
y <- 1 + x[,1] - 3*x[,3] + rnorm(100)
cv_model <- cv.rq.group.pen(x,y,groups=c(rep(1,2),rep(2,2)))
nonzero(cv_model)
# }