cv.clogitLasso {clogitLasso}

Cross-validation of clogitLasso object

Description

Cross-validation of clogitLasso object

Usage

cv.clogitLasso(objclogitLasso, K = 10, gpe = NULL)

Arguments

objclogitLasso

An objet of type clogitLasso

K

The number of folds used in cross validation

gpe

A list of group defined by the user.

Value

An object of type cv.clogitLasso with the following components:

lambda

Vector of regularisation parameter

mean_cv

vector of mean deviances for each value of the regularisation parameter

beta

Vector of estimated coefficients with optimal regularisation parameter

lambdaopt

Optimal regularisation parameter

Author(s)

Marta Avalos, Helene Pouyes, Marius Kwemou and Binbin Xu

References

Avalos, M., Pouyes, H., Grandvalet, Y., Orriols, L., & Lagarde, E. (2015). Sparse conditional logistic regression for analyzing large-scale matched data from epidemiological studies: a simple algorithm. BMC bioinformatics, 16(6), S1. doi: 10.1186/1471-2105-16-S6-S1.

Examples

## Not run: 
# generate data
y <- rep(c(1,0), 100)
X <- matrix (rnorm(20000, 0, 1), ncol = 100) # pure noise
strata <- sort(rep(1:100, 2))

# fitLasso <- clogitLasso(X,y,strata,log=TRUE)

# Cross validation
cv.fit <- cv.clogitLasso(fitLasso)

## End(Not run)