Calculate standardized mean difference for each column of a matrix, given a binary treatment indicator vector.
mlr.smd(tr, X)
A vector of length ncol(X)
, containing standardized mean differences for each column of X
, given treatment variable tr
.
Binary treatment indicator vector; 1 means treatment, 0 means control.
Matrix of covariates; each column is a covariate whose standardized mean difference we want to calculate. nrow(X)
must be equal to length(tr)
.
Alireza S. Mahani, Mansour T.A. Sharabiani