On Dec 7, 2010, at 2:31 PM, Erik Iverson wrote:
Hello,
To do what you want, see ?toupper :
levels(dat$target) <- toupper(levels(dat$target))
However, for clarity,
dat$target is not a "string variable", it is a factor,
which you can verify with
> str(dat)
And to further clarify, it is a f
Phil Spector wrote:
Jahan -
Try
dat$target = toupper(dat$target)
Note that in this case, the above *will* coerce dat$target
to a character vector, which may or may not be what
is intended.
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Jahan -
Try
dat$target = toupper(dat$target)
I would not recommend a loop for something
like this.
(You might also want to brush up on your python,
because what you're trying doesn't work in
python either.)
- Phil Spector
Hello,
To do what you want, see ?toupper :
levels(dat$target) <- toupper(levels(dat$target))
However, for clarity,
dat$target is not a "string variable", it is a factor,
which you can verify with
> str(dat)
Factors are enumerated types, and have a discrete
set of 'levels' associated with the
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