Nothing
library(randomSubspace)
library(randomForest)
rforest <- function(x, y) randomForest(x, y, ntree=5)
data(AMLALL_train)
data(AMLALL_test)
training.feature <- AMLALL_train[,-7130]
training.class <- AMLALL_train[,7130]
test.feature <- AMLALL_test[,-7130]
test.class <- AMLALL_test[,7130]
rs <- randomSubspace(training.feature, training.class, model=rforest, ntree=100)
print(rs)
print(rs$forest[[1]]$fit)
stopifnot(rs$w.type == 2)
y.rs <- predict(rs, test.feature, w.type=1)
cat(sprintf("randomSubspace error fraction for w.type %d: %f\n",
1, sum(y.rs != test.class) / length(test.class)))
y.rs <- predict(rs, test.feature)
cat(sprintf("randomSubspace error fraction for w.type %d: %f\n",
2, sum(y.rs != test.class) / length(test.class)))
y.rs <- predict(rs, test.feature, w.type=3)
cat(sprintf("randomSubspace error fraction for w.type %d: %f\n",
3, sum(y.rs != test.class) / length(test.class)))
s <- svm(training.feature, training.class)
print(s)
y.s <- predict(s, test.feature)
cat(sprintf("svm error fraction: %f\n", sum(y.s != test.class) / length(test.class)))
rf <- randomForest(training.feature, training.class)
print(rf)
y.rf <- predict(rf, test.feature)
cat(sprintf("randomForest error fraction: %f\n", sum(y.rf != test.class) / length(test.class)))
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