Performs weighted standardization of x variables. Used in fastridge.
standardize_wt(x, weights = rep(1/n, n), intercept = TRUE, return.sd = FALSE)If return.sd == FALSE, it gives the matrix of standardized regressors. If
return.sd == TRUE, then it returns the vector of standard errors of the means of the
variables.
Regressor matrix.
Weights.
Logical. If TRUE, adds an intercept.
Logical. If TRUE, it returns standard errors for the means.