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train
2005 Jul 05
1
Getting runtime error in stepclass
...dg == 1, select = dg:eg)
ndgenes <- subset(td, dg == 0, select = dg:eg)
n1 <- nrow(dgenes)
n2 <- nrow(ndgenes)
ndgrows <- 1:n2
selrows <- sample(ndgrows)
sndgenes <- ndgenes[selrows[1:n1],]
train <- rbind(dgenes, sndgenes)
attach(train)
traind <- subset(train, select = -dg)
trainr <- factor(dg)
detach(train)
sc_res <- stepclass(traind, trainr, "svm", direction = "forward",
criterion = "AC", fold = 10)