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betaDelta (version 1.0.6)

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

Description

Sampling Covariance Matrix of Differences of Standardized Regression Slopes

Usage

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

Value

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

Arguments

object

Object of class diffbetadelta.

...

additional arguments.

Author

Ivan Jacob Agaloos Pesigan

Examples

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

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