log_ratio_sd {aggTrees}R Documentation

Log Ratio of Standard Deviations

Description

Computes a measure of the difference in the dispersion of the covariate distributions across treatment arms.

Usage

log_ratio_sd(X, D)

Arguments

X

Covariate matrix (no intercept).

D

Treatment assignment vector.

Details

Log ratio of standard deviations are computed as the logarithm of the ratio of the within-arm standard deviations.

Value

1xp data frame storing logarithm of the ratio of standard deviations of each covariate.


[Package aggTrees version 2.0.2 Index]