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lrns = list(% b, I( l! b; Y3 E3 M
makeLearner("classif.lda", id = "lda"),9 K( Z% F8 F# y8 ?( I8 K
makeLearner("classif.rpart", id = "rpart"),( b9 Q3 H% ]) Y8 Q+ \
makeLearner("classif.randomForest", id = "randomForest")
9 s( P/ i- h- O3 K)
9 y+ q1 }0 H0 q: f' y0 {9 Q% s% C! I+ A' p1 u
## Get additional Tasks from package mlbench# r+ R- c8 ]( F4 j: |5 w
ring.task = convertMLBenchObjToTask("mlbench.ringnorm", n = 10)
. d/ T7 f: }; Z% `wave.task = convertMLBenchObjToTask("mlbench.waveform", n = 10)
" n! W, r2 G8 _9 M/ s- ]- ~! Z" ]' |" g/ h3 ^1 Q
tasks = list(iris.task, sonar.task, pid.task, ring.task, wave.task)
^- T: D" i! Y& Drdesc = makeResampleDesc("CV", iters = 3)8 g6 K. x9 Y+ ?
meas = list(mmce, ber, timetrain)
! ~7 Y/ ~- _5 Z, y' I& p5 b0 ubmr = benchmark(lrns, tasks, rdesc, meas, show.info = FALSE)
. M& k1 z: S5 e3 O4 e$ C Y/ d( qbmr. D& M& U4 V3 e; o9 M0 Z: e' P! h
plotBMRBoxplots(bmr, measure = ber, style = "violin", pretty.names = FALSE) ++ C7 A. O/ _3 |% ~+ x- c* F0 \9 @
aes(color = learner.id) +/ J# \. C ^/ a
theme(strip.text.x = element_text(size = 8)) |
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