base.learners = list(
# makeLearner("classif.rpart"),
makeLearner("classif.ksvm"),
makeLearner("classif.randomForest"),
makeLearner("classif.gbm")
# makeLearner("classif.lda")
)
mplexer = makeModelMultiplexer(base.learners)
par.set = makeModelMultiplexerParamSet(mplexer,
classif.randomForest = makeParamSet(
makeIntegerParam("ntree", lower = 10, upper = 500),
makeIntegerParam("mtry", lower = 1, upper = 20)
),
classif.gbm = makeParamSet(
makeIntegerParam("n.trees", lower = 100L, upper = 5000L),
makeIntegerParam("interaction.depth", lower = 1L, upper = 4L),
makeNumericParam("shrinkage", lower = 1e-5, upper = 1e-1)
),
classif.ksvm = makeParamSet(
makeNumericParam("C", lower = -12, upper = 12, trafo = function(x) 2^x),
makeNumericParam("sigma", lower = -12, upper = 12, trafo = function(x) 2^x)
)
)
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