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modelling
2008 May 11
1
Fundamental formula and dataframe question.
There is a very useful and apparently fundamental feature of R (or of
the package pls) which I don't understand.
For datasets with many independent (X) variables such as chemometric
datasets there is a convenient formula and dataframe construction that
allows one to access the entire X matrix with a single term.
Consider the gasoline dataset available in the pls package. For the
model