R-help,
I am trying to perform a basic anlaysis of the BreastCancer data from
"mlbench" using the svm() function in "e1071". I use the following code
library("e1071")
library("mlbench")
data(BreastCancer)
BC <- subset(BreastCancer, select=-Id)
pairs(BC)
model <- svm(Class ~ ., data=BC, cross=10)
## plot(model, BC, )
tobj <- tune.svm(Class ~ ., data=BC, gamma=seq(0.0001,0.2,length=3),
cost=seq(10,100,length=3))
...And here are the results from my session (with contextual information)
> system("uname -a")
Linux hmhuw015 2.6.9-34.ELsmp #1 SMP Fri Feb 24 16:56:28 EST 2006 x86_64
x86_64 x86_64 GNU/Linux
> version
_
platform x86_64-unknown-linux-gnu
arch x86_64
os linux-gnu
system x86_64, linux-gnu
status
major 2
minor 8.1
year 2008
month 12
day 22
svn rev 47281
language R
version.string R version 2.8.1 (2008-12-22)
> tobj <- tune.svm(Class ~ ., data=BC, gamma=seq(0.0001,0.2,length=3),
+ cost=seq(1,100,length=3))
Error in names(ret2) <- rowns :
'names' attribute [70] must be the same length as the vector [68]
Sorry, but could someone tell me what the error is trying to get at?
thanks,
Brandon
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