[R] data.frame transformation
jwiley.psych at gmail.com
Mon Mar 14 20:00:40 CET 2011
You could convert the factors to numeric class in order to test, get an index of cells and then replace those. I wonder though if it wouldn't be easier to do this at some step *before* the numbers are combined with strings?
At any rate, take a look at ?which ?factor ?as.numeric ?lapply for some functions to do my first suggestion
On Mar 14, 2011, at 11:52, andrija djurovic <djandrija at gmail.com> wrote:
> Hi R users,
> I have following data frame
> and i would like to replace every element that is less then 10 with . (dot)
> in order to obtain this:
> q1 q2 q3 q4
> 1 . . check .
> 2 . 33.33 check 35
> 3 33.33 check 25 100
> 4 check . 100 check
> I had a lot of difficulties because each variable is factor.
> Could someone help me with this?
> Thanks in advance for any help.
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