Displaying 1 result from an estimated 1 matches for "tp17567491p17568035".
2008 May 30
4
Request: Documentation of formulae
In working through material on p.272 of MASS (4th ed.), I came
across the following model formula:
pet1.lm <- lm(Y ~ No/EP - 1, Petrol)
I was at a loss to understand the use of "/" until I looked in
"An Introduction [!] to R," where I found the explanation.
My request is that more complete material on model formulae be
lifted from "Introduction to R" (or