Displaying 2 results from an estimated 2 matches for "ddna".
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dna
1999 Oct 21
0
error in split...
...minor 65.1
year 1999
month October
day 07
language R
>
)
Just saw the following which looked strange (Thomas, I'll bug you
about it tommorow...):
(ctl and group are factors, vectors of strings; ddna is a vector of
#'s)
Does it have to do with the number of quotes?
best,
-tony
> ctl.x.group <- interaction(ctl,group)
> my.list <- split(ddna,ctl.x.group)
Error in split(x, f) : second argument must be a factor
> is.factor(ctl.x.group)
[1] TRUE
> ### Thoughts? here's...
1999 Oct 21
0
error in split... (R 0.65.1) -- and patch (PR#294)
...;- factor(f) # drop extraneous levels
if(is.null(class(x)))
{
retval <- .Internal(split(x, f))
tony> Just saw the following which looked strange (Thomas, I'll bug you
tony> about it tommorow...):
tony> (ctl and group are factors, vectors of strings; ddna is a vector of
tony> #'s)
tony> Does it have to do with the number of quotes?
tony> ctl.x.group <- interaction(ctl,group)
tony> my.list <- split(ddna,ctl.x.group)
tony> Error in split(x, f) : second argument must be a factor
tony> is.factor(c...