Hi,
I have a matrix whose columns are named as "in" and "out". Then I coerce
it to be a data.frame. However the system seems to forbid me from using the
name "in", but I am not aware of it until I call it by the dollar sign $.
Is there something R should remind me but it does not?
Is there any remedy to work on it?
> head(dat1$in)
Error: unexpected 'in' in "head(dat1$in"
> View(dat1)
> head(dat1["in"])
in
1 3.28
2 9.6
3 7.24
4 4.45
5 2.33
6 2.83
> head(dat1["out"])
out
1 0
2 0
3 0.04
4 0.03
5 0.04
6 0.01
> head(dat1$out)
[1] 0 0 0.04 0.03 0.04 0.01
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