vcov.RI.regression.result {hettx}

Get vcov() from object.

Description

Get vcov() from object.

Usage

## S3 method for class 'RI.regression.result'
vcov(object, ...)

Arguments

object

est.beta object

...

unused

Examples

df <- make.randomized.dat( 1000, gamma.vec=c(1,1,1,2), beta.vec=c(-1,-1,1,0) )
es <- estimate_systematic( Yobs ~ Z,  interaction.formula = ~ A + B, data = df )
vcov(es)