indicator {did}

indicator

Description

indicator weighting function

Usage

indicator(X, u)

Arguments

X

matrix of X's from the data

u

a particular value to compare X's to

Value

numeric vector

Examples

data(mpdta)
dta <- subset(mpdta, year==2007)
X <- model.matrix(~lpop, data=dta)
X <- indicator(X, X[1,])