| --- Log opened Thu May 28 00:00:44 2015 | ||
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| chintak | hey anyone there | 01:14 |
|---|---|---|
| chintak | I'm completely new to shogun and trying to figure out how to use it | 01:14 |
| chintak | I'm trying to use RandomForest in shogun | 01:14 |
| chintak | It fails when I call the train method after initializing the features and labels | 01:15 |
| chintak | The python interface complains - "label type not supported". I am using BinaryLabel. | 01:16 |
| chintak | Pls help | 01:16 |
| chintak | @lisitsyn: could you tell me how to use RandomForest? | 01:18 |
| @wiking | mmm that error what u r quoting cannot be found in the whole src of the project | 01:30 |
| chintak | SystemError: [ERROR] In file /home/chintaksheth/libs/shogun/src/shogun/multiclass/tree/CARTree.cpp line 77: label type supplied is not supported | 01:30 |
| @wiking | well | 01:31 |
| @wiking | why do u want to use regression | 01:31 |
| @wiking | BinaryLabel.? | 01:31 |
| chintak | I want to do classification | 01:31 |
| chintak | rf = RandomForest(feats_train, labels, 10, 1) | 01:31 |
| chintak | feats_train has RealFeatures | 01:32 |
| @wiking | yeah that's ok | 01:32 |
| chintak | labels is BinaryLabels | 01:32 |
| chintak | yes | 01:32 |
| chintak | next I called rf.train() | 01:32 |
| @wiking | cart tree is being used in regression | 01:32 |
| chintak | hmm | 01:32 |
| @wiking | anyhow | 01:33 |
| @wiking | as a quick fix | 01:33 |
| @wiking | try to use multiclass labels | 01:33 |
| chintak | Ok | 01:33 |
| @wiking | CMulticlassLabels | 01:33 |
| chintak | ok, works now | 01:34 |
| chintak | but it is reasonable to expect BinaryLabels to work, right? | 01:35 |
| @wiking | it is totally reasonable | 01:37 |
| @wiking | but it needs to be fixed :) | 01:37 |
| chintak | :) | 01:38 |
| chintak | the notebooks and cloud is inactive? | 01:58 |
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| chintak | How should I debug the C++ code? | 21:00 |
| chintak | All I get is: terminate called after throwing an instance of 'shogun::ShogunException' | 21:00 |
| chintak | Aborted (core dumped) | 21:00 |
| chintak | In python SystemError messages are displayed, but unfortunately in C++ I don't get any such messages | 21:01 |
| chintak | I compiled Shogun using CMAKE_BUILD_TYPE=Debug and in my C++ code using -O0 -ggdb | 21:02 |
| chintak | @lisitsyn @sonney2k | 21:03 |
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| --- Log closed Fri May 29 00:00:46 2015 | ||
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