search for: ecools

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2007 Mar 14
2
ols Error : missing value where TRUE/FALSE needed
I have installed Hmisc and Design. When I use ols, I get the following error message: Error in if (!length(fname) || !any(fname == zname)) { : missing value where TRUE/FALSE needed The model that I am running is: > ecools <- ols(eco$exp ~ eco$age + eco$own + eco$inc + inc2, x=TRUE) I have tried several other combinations of arguments that take TRUE/ FALSE values, but no luck. Ultimately, I am trying to calculate robust standard errors. Any help would be appreciated. Charles Evans Executive Director Free Curr...