Re: [R] scatterplot in Package CAR

Dear Ricardo, Yes, the least-squares line fit when reg.line=TRUE (the default) includes a constant. Regards, John John Fox Senator William McMaster Professor of Social Statistics Department of Sociology McMaster University Hamilton, Ontario, Canada web: socse

[R] scatterplot in Package CAR

Hi Folks, Please, when I ask the option reg.line at the scatterplot in package car, the OLS models includes a constant? If not how can I do it sing the following code: scatterplot(lfirms ~ lscale, data=dataset, reg.line=lm, smooth=FALSE, labels=FALSE, span=0.5, xlab="Relative