| --- Log opened Wed Jun 10 00:00:03 2015 | ||
| shogun-buildbot | build #1016 of nightly_default is complete: Failure [failed test notebooks] Build details are at http://buildbot.shogun-toolbox.org/builders/nightly_default/builds/1016 blamelist: Heiko Strathmann <heiko.strathmann@gmail.com>, Wu Lin <yorker.lin@gmail.com> | 04:13 |
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| CaBa | are there any examples on the spectrum rbf kernels available anywhere? | 11:42 |
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| ephas | Hi, if I use ROCEvaluation during cross validation, I am able to extract the mean AUC using ".mean". I was wondering if there was a way to extract the tp/fp matrix you get from the get_ROC function, i.e. I am after the cross validated get_ROC matrix (I can only seem to extract the tp/fp matrix from the last fold and not the averaged matrix). I hope this makes sense? | 16:08 |
| ephas | The reason I am after this matrix is that I would like to draw an ROC curve from the cross validated results. | 16:09 |
| ephas | PS: I'm using the Python interface | 16:09 |
| lisitsyn | ephas: hey | 16:10 |
| lisitsyn | yeah I got your problem | 16:10 |
| lisitsyn | let me check | 16:12 |
| ephas | @lisitsyn - thanks! | 16:12 |
| lisitsyn | ephas: you need averaged matrix right? | 16:13 |
| ephas | yes please | 16:14 |
| lisitsyn | ok this need some hack :( | 16:14 |
| ephas | running the .get_ROC function on the metric returns the matrix corresponding to the last fold | 16:14 |
| ephas | ah - is the hack doable? | 16:15 |
| lisitsyn | .. in progress :) | 16:17 |
| lisitsyn | let me check again | 16:17 |
| lisitsyn | ephas: what about running it only once so that last fold is the only one? | 16:25 |
| lisitsyn | and then again and again | 16:25 |
| lisitsyn | then manually compute mean ROC | 16:25 |
| ephas | I was thinking about that, but I couldn't work out how to calculate the mean matrix when the dimensions differ across folds (or is this consistent? ... I've not checked) | 16:28 |
| lisitsyn | ephas: I think they should match | 16:31 |
| ephas | ok - I'll have a quick look and let you know how I get on | 16:32 |
| ephas | thanks for your help so far btw | 16:33 |
| lisitsyn | np, I'll try to help if any other issues occur | 16:34 |
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| --- Log closed Thu Jun 11 00:00:04 2015 | ||
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