[Bioc-devel] MCRestimate 1.2.6, stratify bug

xinan yang xnyang at seu.edu.cn
Thu Apr 13 17:27:30 CEST 2006


Thanks Markus,

I update the related packages, and it works now.

xinan

Markus Ruschhaupt wrote:

> Hi,
>
>
>> I use  MCRestimate 1.2.6,
>> but failed to set the parameter "stratify=TRUE", which call 
>> balanced.folds to cut the samples into folds.
>>
>> the samples I used are 28 in classed and 29 in another class.
>>
>> It is as below:
>>
>> res.cv <- MCRestimate(eset,
>> +                  class.column="class",
>> +                  variableSel.fun = "varSel.highest.t.stat",
>> +                  classification.fun ="SVM.wrap",
>> +                  poss.parameters=list(kernel="linear"),
>> +                  cross.outer=10,
>> +                  cross.repeat=2,
>> +                  cross.inner=5,
>> +                  stratify=TRUE)
>> 12Error in sampleOfFolds[[sample]] : subscript out of bounds
>>  >
>>
>>
>> Anyone can give me a hint?
>
>
> I tried to reproduce your error and created a random data set with 28 
> samples in one group and 29 samples in the other group. But in my case 
> everything worked fine. So first you might try to update all the 
> packages you use (especially the pamr and the e1071 package).
>
> Best
>  Markus
>
>



More information about the Bioc-devel mailing list