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getter
2006 May 01
3
pulling items out of a lm() call
I want to write a function to standardize regression predictors, which
will require me to do some character-string manipulation to parse the
variables in a call to lm() or glm().
For example, consider the call
lm (y ~ female + I(age^2) + female:black + (age + education)*female).
I want to be able to parse this to pick out the input variables
("female", "age",