add_dummies {TRexSelector}

Add dummy predictors to the original predictor matrix

Description

Sample num_dummies dummy predictors from the univariate standard normal distribution and append them to the predictor matrix X.

Usage

add_dummies(X, num_dummies)

Arguments

X

Real valued predictor matrix.

num_dummies

Number of dummies that are appended to the predictor matrix.

Value

Enlarged predictor matrix.

Examples

set.seed(123)
n <- 50
p <- 100
X <- matrix(stats::rnorm(n * p), nrow = n, ncol = p)
add_dummies(X = X, num_dummies = p)