Hello Troy.
A tiny question (without answering your question), why did you choose to do
it this way instead of using
?step
or
?stepAIC
?
Best,
Tal
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Tal Galili tal.galili at gmail.com writes:
Hello Troy.
A tiny question (without answering your question), why did you choose to do
it this way instead of using
?step
or
?stepAIC
?
[snip snip]
My questions are:
Should I be using var.test to run the F-test to decide which
FWIW, I think it fair to say that modern statistical practice
generally views stepwise regression as a bad idea, especially in the
hands of non-experts lke yourself. The procedures you describe are
dangerous: they have an uncomfortably high chance of choosing the
wrong variables and leading to
Dear R fans,
I am trying to do step-wise linear regression using the F-test to decide
which variables to admit. Ewout Steyerberg suggests using the F-test for
this purpose.
I first build a model using no variables using lm(y ~ 1) and then using one
variable that is a strong predictor using lm(y
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