Dear community,
Apologies for my questions, I´m pretty newbie.
The thing is, I was trying this lm:
mod.lm - lm(df$res ~ df$var1+ df$var2 + df$var3 +fact1:fact2)
And factors are like this:
table(fact1)
a b c
3 90 83
table(fact2)
a b c
4 87 85
Because of the interaction, i
Hi,
You should avoid entering interaction terms without also including the
lower-order terms involved in the interaction. Also, you are mixing
variables from the workspace with those in (the data.frame?) df, which
is a very bad idea. Try something like
mod.lm - lm(res ~ var1+ var2 + var3 +
2 matches
Mail list logo
