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saspackyrs
2008 Sep 16
1
logistf error message
I am new to using R. Currently, I am using the logistf package to run logistic regression analysis. When I run the following line of code:
attach(snpriskdata)
logisticpaper<-logistf(sascasecon~saspackyrs+newsbmi+EDUCATION+sasagedx+sasflung+condobst+sasadultasprev)
I get the following error message:
Error in sum(y) : invalid 'type' (character) of argument
What does this error message mean? All of my variables are in numeric format. Thank you for your input.
Alison Van Dyke
Wayne S...