hello
when I enter:
ftable(xtabs(cnt~jeo+slp+pcurv+asp+hey),data=dt)
it gives a frequncy table. But some cells are empty.
like this:
19 2 72 0
3 68 0
4 99 0
5 110 0
6 97 0
7 74 0
8 46 0
.
.
.
(Those empty cells must have previous non empty values.)
how can I get a table that does not contain empty cells ?
Is this the proper table that will be used in logistic regression ?
regards
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