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lrns = list(9 J# n$ }* l! t: i. y3 r5 t/ g' H
makeLearner("classif.lda", id = "lda"),* C0 v$ p0 G/ B3 ~: B
makeLearner("classif.rpart", id = "rpart"),* i9 q0 x$ @5 j8 p2 n/ J) O. v$ e
makeLearner("classif.randomForest", id = "randomForest")
& O; H5 k& x7 ~1 N). S; {( N* J9 R$ t) ^
" I) M' ^7 s6 ^0 I$ Z, D; ]## Get additional Tasks from package mlbench
3 ?) \. N5 z4 Z/ J* _ring.task = convertMLBenchObjToTask("mlbench.ringnorm", n = 10) b" O/ a$ ]/ B5 k' S/ R
wave.task = convertMLBenchObjToTask("mlbench.waveform", n = 10)! {- K* j( ~9 w1 W8 R
4 m k- [2 l) {! n4 p# ?/ _$ j0 [tasks = list(iris.task, sonar.task, pid.task, ring.task, wave.task)
& u$ w# `( [7 K# yrdesc = makeResampleDesc("CV", iters = 3)
! G; C+ S7 @6 ^; O8 wmeas = list(mmce, ber, timetrain)- M3 q! B# `! z O
bmr = benchmark(lrns, tasks, rdesc, meas, show.info = FALSE)
1 U* k4 s$ V5 }* d; K" A9 mbmr' F1 k3 D+ T. w, c2 n
plotBMRBoxplots(bmr, measure = ber, style = "violin", pretty.names = FALSE) +
: W1 t# p+ ^: Z9 U& } aes(color = learner.id) +$ p0 I# v7 s) l% V5 a
theme(strip.text.x = element_text(size = 8)) |
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