Standardize selected
variables in a data frame or similar
object.
Usage
std_data(data, to_standardize)
Arguments
- data
A data frame or similar
object.
- to_standardize
A character
vector of the column names of
variables to be standardized.
Value
A data frame similar to data,
with selected variables standardized.
Details
This is a helper functions
to be used by lm_betaselect()
and glm_betaselect(). It
assumes that the variables selected
has been checked whether they are
numeric.
Examples
data(data_test_mod_cat)
dat <- data_test_mod_cat
dat <- std_data(dat, to_standardize = c("iv", "dv"))
colMeans(dat[, c("dv", "iv")])
#> dv iv
#> 2.078719e-16 4.026692e-16
apply(dat[, c("dv", "iv")], 2, sd)
#> dv iv
#> 1 1