get_normalized_difference {ddecompose}  R Documentation 
Get normalized differences
Description
The function calculates normalized differences between covariate means of comparison group and reweighted reference group.
Usage
get_normalized_difference(
formula,
data_used,
weights,
psi,
group_variable,
reference_group
)
Arguments
formula 
model formula used to calulate the conditional probabilities of the reweighting factor 
data_used 

weights 
vector with observations weights 
psi 
vector with the estimated reweighting factor 
group_variable 
variable with group identifier 
reference_group 
identifier of (reweighted) reference group 
References
Imbens, Guido W. and Jeffrey M. Wooldridge. 2009. Recent developments in the econometrics of program evaluation. Journal of Economic Literature 47, no. 1: 586.
[Package ddecompose version 1.0.0 Index]