The function calculates normalized differences between covariate means of comparison group and reweighted reference group.
get_normalized_difference(
formula,
data_used,
weights,
psi,
group_variable,
reference_group
)
model formula used to calulate the conditional probabilities of the reweighting factor
data.frame
with the observation for the estimation of the reweighting factor
vector with observations weights
vector with the estimated reweighting factor
variable with group identifier
identifier of (reweighted) reference group
Imbens, Guido W. and Jeffrey M. Wooldridge. 2009. Recent developments in the econometrics of program evaluation. Journal of Economic Literature 47, no. 1: 5-86.