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lrns = list(
/ n6 M2 `# x" w. n/ ]: k! Z makeLearner("classif.lda", id = "lda"),
9 U7 _; F9 `3 j( p$ c' x4 D makeLearner("classif.rpart", id = "rpart"),( B& `- a. q! c: y& |5 [
makeLearner("classif.randomForest", id = "randomForest")
, t6 X! _) Y+ H- Y+ @7 q, r6 N' w; O)$ }; P2 z. q, ?9 l
Y' e$ h1 z7 M3 k
## Get additional Tasks from package mlbench
0 L; c8 r0 C: f+ Y/ @ring.task = convertMLBenchObjToTask("mlbench.ringnorm", n = 10)- b: @# `; F3 s# r4 C/ W
wave.task = convertMLBenchObjToTask("mlbench.waveform", n = 10)
# M. S% J3 J. j5 H
- n4 J" l9 I3 p1 @tasks = list(iris.task, sonar.task, pid.task, ring.task, wave.task)
, D n8 x% @8 p! grdesc = makeResampleDesc("CV", iters = 3)! n1 ]7 f+ }# f' J% N# S" k5 w
meas = list(mmce, ber, timetrain)8 ?) e+ ?) x C, y; M$ q
bmr = benchmark(lrns, tasks, rdesc, meas, show.info = FALSE). I5 Y/ _1 d- d/ O* v
bmr
1 m& ]2 Z1 a/ ?0 L p' R- XplotBMRBoxplots(bmr, measure = ber, style = "violin", pretty.names = FALSE) +/ m$ M8 [0 M, I0 R% h
aes(color = learner.id) +1 [ F: h- S! d, i- x$ V( j# K4 y
theme(strip.text.x = element_text(size = 8)) |
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