Displaying 2 results from an estimated 2 matches for "kerunch".
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kernch
1997 May 06
1
R-beta: formula() and model formulae
Several bugs (no solutions, yet). These might be well known.
1) If one does, e.g., mymod <- lm(y ~ x); formula(mymod)
then one does not get back the formula (one gets, Error: invalid formula)
2) if x is of mode numeric, then the model formula
mymod <- lm(y ~ x + x^2)
is not processed as S would do it. The model is fit ignoring the x^2 term,
however mymod$call includes the x^2 term.
1997 May 06
1
R-beta: formula() and model formulae
Several bugs (no solutions, yet). These might be well known.
1) If one does, e.g., mymod <- lm(y ~ x); formula(mymod)
then one does not get back the formula (one gets, Error: invalid formula)
2) if x is of mode numeric, then the model formula
mymod <- lm(y ~ x + x^2)
is not processed as S would do it. The model is fit ignoring the x^2 term,
however mymod$call includes the x^2 term.