vcov.diffbetadelta: Sampling Covariance Matrix of Differences of Standardized...

View source: R/betaDelta-methods-diff-beta-delta.R

vcov.diffbetadeltaR Documentation

Sampling Covariance Matrix of Differences of Standardized Regression Slopes

Description

Sampling Covariance Matrix of Differences of Standardized Regression Slopes

Usage

## S3 method for class 'diffbetadelta'
vcov(object, ...)

Arguments

object

Object of class diffbetadelta.

...

additional arguments.

Value

Returns a matrix of the variance-covariance matrix of differences of standardized regression slopes.

Author(s)

Ivan Jacob Agaloos Pesigan

Examples

object <- lm(QUALITY ~ NARTIC + PCTGRT + PCTSUPP, data = nas1982)
std <- BetaDelta(object)
diff <- DiffBetaDelta(std)
vcov(diff)


betaDelta documentation built on May 29, 2024, 1:58 a.m.