Is there a Package i need to install to get coeftest in R?

user_13118622 0
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I am trying to get the HC standard errors from a set of data using 

coeftest(Partc, df = Inf, vcov = vcovHC(fm1, type = "HC1"))

but it returns the error:

Error in coeftest(Partc, df = Inf, vcov = vcovHC(fm1, type = "HC1")) : 
   could not find function "coeftest"

Am I missing the package required to do this?

rstudio r
1 Answers

The package lmtest contains a function called coeftest, that seems to be what you are looking for.

Installing that package should solve your issue.

install.packages("lmtest")
user_48211420
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