Hi,
It is probably more confusing with several steps combined, but you are
correct that it is because there are NAs. It is fairly common for R
functions to return NA if there are any NA values unless you
explicitly set an argument on what to do with missing values. A quick
look at ?cor clearly s
Hello. I am wondering why I am getting NA for all
in cors=sapply(pred,cor,y=resp). I suppose that each column in pred has NAs in
them. Is there some way to fix this? Thanks
> str(pred)
'data.frame': 200 obs. of 13 variables:
$ mnO2: num 9.8 8 11.4 4.8 9 13.1 10.3 10.6 3.4 9.9 ...
$ Cl :
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