Dear Researchers,

someone know the right syntax to chose a 5% signiﬁcance level (threshold)
for the inclusion of the model variables in a  multiple (linear) regression
in backward way?

I set the formula in this way, but I don't know to choose the 5%
significance?

lmodelV <-
step(lm(formula=MyFormula[[1]],data=LR.train),direction="backward")

thanks in advance gianni

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