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In https://github.com/mlr-org/farff/pull/11, I added a test with a few ARFF files from OpenML that can be read by RWeka but not with farff. The test is skipped on travis, but should run when you use `…
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The RWeka learners usually take user arguments by initializing a `RWeka::Weka_control(...)` object, which will usually be passed to the Java class's `setOptions()` internally with the Weka_control obj…
mb706 updated
8 years ago
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We maybe should add an option to deactivate this converting to logical
(I am referring to https://github.com/mlr-org/farff/commit/8e4ed73c0cc70ae3baf5e3c9ca6699aed802f8c3)
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Travis currently fails with
```
Error in ._jobjRef_dollar(x[["jobj"]], name) :
no field, method or inner class called 'calls'
Calls: test_check ... expectation_error -> $ -> $.Throwable -> ._jobj…
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Hi! I also often use `lda` package, so can be interesting in `textmineR`. `tm` and `RWeka` are very inefficient packages. You can be interested in my [text2vec](https://github.com/dselivanov/text2vec)…
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Hi Chris,
Got another one for you - sorry - any guidance on why the topicsmodels package fails to install on Heroku? It installs fine on my Mac. I don't understand the errors. Thanks for your help!
…
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The ARFF files with ids 70, 71, 73 (maybe there are some more) seem wrong.
Here the direct link to one of these datasets: http://www.openml.org/data/download/1716/BayesianNetworkGenerator_anneal_smal…
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I would like to apply xgboost on a classification problem with 3 classes:
```
task = makeClassifTask(id = "iris", data = iris, target = "Species")
lrn = makeLearner("classif.xgboost",
predict.ty…
ghost updated
8 years ago
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While fixing my bugs, I found another bug here
``` r
setOMLConfig(arff.reader = "RWeka")
dRWeka = getOMLDataSet(1418)
setOMLConfig(arff.reader = "farff")
dFarff = getOMLDataSet(1418) # after each row…
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Hi guys,
is there any way to get a dataset with no target feature? Or should I add a "default" target @joaquinvanschoren ?
There are at least 6 OML datasets without a target feature specified, but t…