I have never been able to get class probabilities to work and I am relatively
new to using these tools, and I am looking for some insight as to what may be
wrong.
I am using caret with kernlab/ksvm. I will simplify my problem to a basic data
set which produces the same problem. I have read
You didn't provide the results of sessionInfo().
Upgrade to the version just released on cran and see if you still have the
issue.
Max
On Thu, Nov 29, 2012 at 6:55 PM, Brian Feeny bfe...@mac.com wrote:
I have never been able to get class probabilities to work and I am
relatively new to
Yes I am still getting this error, here is my sessionInfo:
sessionInfo()
R version 2.15.2 (2012-10-26)
Platform: x86_64-apple-darwin9.8.0/x86_64 (64-bit)
locale:
[1] en_US.UTF-8/en_US.UTF-8/en_US.UTF-8/C/en_US.UTF-8/en_US.UTF-8
attached base packages:
[1] stats graphics grDevices utils
Your output has:
At least one of the class levels are not valid R variables names; This may
cause errors if class probabilities are generated because the variables
names will be converted to: X0, X1
Try changing the factor levels to avoid leading numbers and try again.
Max
On Thu, Nov 29,
Max,
Thank you for the assistance. That was it. My dependent variable was just
using 1 and 0 as levels, I changed them to yes, no:
levels(trainset$outcome) - list(no=0, yes=1)
and I no longer get the warning.
Brian
On Nov 29, 2012, at 10:29 PM, Max Kuhn mxk...@gmail.com wrote:
Your
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