caret-machine-learning

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Method kknn with caret sometimes crashes R-GUI

1

This happened with kknn_1.2-5 and caret_6.0-58 might be in parallel and in sequential mode. Works in other test settings ``` R require(caret); require(kknn); # define x and y for regression...

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Calling method bag without bagcontrol results in numerous errors, better would be to have a standard bagcontrol so the function train(x, y, method = "bag") could be called in a...

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Using R2 from caret with a number of packets results in the following name space related error: ``` R > R2(p2[[1]]$value, test_y) Error in UseMethod("R2") : no applicable method for...

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brnn prediction fails - Error in predict.brnn(modelFit, as.matrix(newdata)) :

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brnn prediction fails in caret, all other (70) regression methods work. caret_6.0-58 and brnn_0.5 ``` R > p1

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Somehow the confusionMatrix reports 100% accuracy, but all members belong to the setosa family. Because iris is a multiclass problem that seems wrong ~30% ~30% ~30% for setosa versicolor virginica...

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--- The caret source: ChrisDesign https://openclipart.org/detail/4778/carrot ##  The cubist training in parallel  --- The caret overview ##  All caret models to web browser via DT ## ...

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rmda has issues to be loaded ``` R require(mlbench) require(caret) # load diabetes set 768 x 9 data(PimaIndiansDiabetes) dim(PimaIndiansDiabetes) # train rbf t2

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hard crash, no recover ``` R require(mlbench) require(caret) # load diabetes set 768 x 9 data(PimaIndiansDiabetes) dim(PimaIndiansDiabetes) # train rbf t2

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example required

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caret "rbf" from RSNNS crashes RGUI

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this example fully crashes the RGUI with package RSNNS RSNNS_0.4-7 caret_6.0-58 ``` R require(caret); data(cars); require(RSNNS); y

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