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lrns = list(
- U) c- P, _& a" _" Q! D. ^ makeLearner("classif.lda", id = "lda"),
- c: V6 c' n% E- O. P6 X* t. N( j makeLearner("classif.rpart", id = "rpart"),
) p2 u) W6 L4 | @0 I5 _4 `9 b makeLearner("classif.randomForest", id = "randomForest")
) _4 ?7 v6 I% G. `)1 H M0 |) j L8 b3 j: [' _
w/ v/ s, Z. l- c
## Get additional Tasks from package mlbench* M# t. q2 Q* r8 b
ring.task = convertMLBenchObjToTask("mlbench.ringnorm", n = 10)
* N( q h% ?" lwave.task = convertMLBenchObjToTask("mlbench.waveform", n = 10)/ |' k9 @9 Y5 b3 F
7 d1 i* |" }6 K3 ?* U5 U: E7 X
tasks = list(iris.task, sonar.task, pid.task, ring.task, wave.task)7 E2 z* _. p. _6 \$ Q2 S
rdesc = makeResampleDesc("CV", iters = 3)
* H3 V+ m1 |, |1 p2 ?" imeas = list(mmce, ber, timetrain)
4 O, N( v s' d6 k+ Xbmr = benchmark(lrns, tasks, rdesc, meas, show.info = FALSE)1 \2 H3 `( E! J8 m4 m
bmr1 u; ^/ H1 o4 Z8 ?
plotBMRBoxplots(bmr, measure = ber, style = "violin", pretty.names = FALSE) +
3 s# i8 D, U. n aes(color = learner.id) +
7 u* _6 \+ H8 Z0 W0 y theme(strip.text.x = element_text(size = 8)) |
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