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TA的每日心情 | 怒 2022-5-27 16:35 |
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lrns = list(
* N5 x5 a+ f* _* I2 l; @1 y makeLearner("classif.lda", id = "lda"),
6 ]/ Z: a4 ?+ X makeLearner("classif.rpart", id = "rpart"), E6 w: g% o3 B
makeLearner("classif.randomForest", id = "randomForest")' p+ e- v, c' W' k% V
), b3 H/ @1 D# q& p+ d4 m0 ]/ p
. d+ }) A$ s* \, R. W
## Get additional Tasks from package mlbench5 T* O6 L/ s& o- F5 C
ring.task = convertMLBenchObjToTask("mlbench.ringnorm", n = 10)
3 l8 q+ e+ g/ U; |6 ]( q% Nwave.task = convertMLBenchObjToTask("mlbench.waveform", n = 10)0 G; Y+ R k+ ?, p' m/ L
2 u: F y4 d A* S% `
tasks = list(iris.task, sonar.task, pid.task, ring.task, wave.task)
2 v: X! ?! {4 J1 g+ urdesc = makeResampleDesc("CV", iters = 3)
T4 q' N. {8 u; _7 A$ jmeas = list(mmce, ber, timetrain)7 t1 ~- p; [ Q% Z* J$ Z) I5 ]. u
bmr = benchmark(lrns, tasks, rdesc, meas, show.info = FALSE)2 `" e k6 s0 d$ x( I) s) A+ a. b
bmr
; \5 O$ @9 U7 q4 c; vplotBMRBoxplots(bmr, measure = ber, style = "violin", pretty.names = FALSE) +1 e+ z6 Q* J) ?3 q4 v
aes(color = learner.id) +6 @ p& v( C8 D& _. V& v3 n9 E: s
theme(strip.text.x = element_text(size = 8)) |
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