Open in new window / Try shogun cloud
--- Log opened Fri Jun 15 00:00:41 2012
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uricamichi n4nd009:32
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n4nd0uricamic: hey09:40
uricamicn4nd0: when do you think your changes in SO framework will be pulled to shogun? I want to write a simple example using the BMRM solver, but I think it will be better to do this after your new changes will be accepted09:42
n4nd0uricamic: I am not completely sure, I did the pull request and sonney2k told me to make some changes, they were not very important though09:43
n4nd0the problem is that currently my multiclass example doesn't work good09:44
uricamicn4nd0: any ideas what could be wrong?09:44
n4nd0not many, just that there must be a bug somewhere09:45
uricamicin the solver?09:45
n4nd0I guess so09:46
n4nd0there is a thing that bugs me a bit09:46
n4nd0right now I use the same data for training and testing09:46
n4nd0just to make it easier09:46
uricamicok09:47
n4nd0and all the examples of one class are classified as another class09:47
n4nd0but still, the values of the slacks after training for those examples are 009:47
n4nd0I think that tells me that something is going wrong09:48
uricamicso the classes are swapped?09:48
n4nd0not really09:48
n4nd0it is that some of the classes used for training are never classified09:49
uricamicI see09:49
n4nd0I going to compare now how the weight vectors learned in so and in one-vs-rest look like09:51
n4nd0I expect that they should be somewhat similar09:51
uricamicyep09:54
uricamicand you are now working on multiclass example with how many classes?09:54
n4nd0I change the number of classes as a parameter09:56
n4nd0I am focusing more in three because for two classes looks generally ok09:56
uricamicso for 2 classes it works and the problem is only when the number of classes is >2 ?09:57
n4nd0yes, apparently10:00
uricamicI see, that is somehow strange10:02
uricamicdo you have the source codes for this pushed in your fork of shogun?10:03
n4nd0yes10:03
n4nd0let me give you the link10:04
n4nd0https://github.com/iglesias/shogun/blob/so/src/shogun/so/PrimalMosekSOSVM.cpp10:04
n4nd0there in train_machine10:04
uricamicthanks, I will look at it10:05
n4nd0https://github.com/iglesias/shogun/blob/so/src/shogun/so/MulticlassModel.cpp10:05
n4nd0and also in the mathematics/mosek methods used10:05
uricamicok10:06
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n4nd0uricamic: hey, how is it going?14:57
uricamicn4nd0: hi14:57
uricamicI have looked on your code, but haven't found anything wrong14:58
uricamicbut I haven't found the example putting things together14:58
uricamichave you commited it to your fork on github?14:59
n4nd0no14:59
n4nd0I am going to do that now14:59
uricamicok15:00
n4nd0uricamic: did you find something that looked weird or you didn't really get it=?15:00
uricamicin the MulticlassModel everything looked clear15:00
uricamicI will try to combine your up-to-date version of the SO framework and produce the example with the BMRM method and then to compare your solver with mine15:02
n4nd0ok15:03
n4nd0about the example15:03
n4nd0if you would like to test it in your machine, note that you need mosek for that15:03
n4nd0and to use mosek within shogun you'd have to change by hand some parameters in your .config15:04
n4nd0but I don't think you really need to test it15:04
uricamicok15:04
n4nd0I mean, you have done enough taking a look to the core ;)15:04
n4nd0code*15:04
uricamicbut maybe then it will be easier to locate the source of the problem15:05
n4nd0ok, as you like15:06
n4nd0in any case, if you plan to run it, just tell me to describe you what parameters you need to change to make it run15:06
uricamicok15:07
uricamicfirst I will have to get my solver working15:07
n4nd0sure15:08
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CIA-18shogun: Christian Widmer master * r5423ead / (2 files in 2 dirs): included std_vector typemap while avoiding java compile error - http://git.io/krs4Ng20:43
CIA-18shogun: Christian Widmer master * r6b71ab4 / (2 files): replaced SGMatrix with SGSparseMatrix to handle the case of sparse task similarities - http://git.io/f1Cvwg20:43
CIA-18shogun: Sergey Lisitsyn master * r861c682 / (4 files in 3 dirs): Merge pull request #586 from cwidmer/master - http://git.io/YlXy-w20:43
shogun-buildbot_build #844 of octave_static is complete: Success [build successful]  Build details are at http://www.shogun-toolbox.org/buildbot/builders/octave_static/builds/84421:07
shogun-buildbot_build #955 of cmdline_static is complete: Failure [failed test_1]  Build details are at http://www.shogun-toolbox.org/buildbot/builders/cmdline_static/builds/955  blamelist: cwidmer@tuebingen.mpg.de, blackburn91@gmail.com21:17
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shogun-buildbot_build #934 of r_static is complete: Success [build successful]  Build details are at http://www.shogun-toolbox.org/buildbot/builders/r_static/builds/93421:57
CIA-18shogun: Sergey Lisitsyn master * r6b605bf / (4 files in 4 dirs): Made SparseMatrix SGReferencedData - http://git.io/Iy6_Wg22:15
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shogun-buildbot_build #956 of cmdline_static is complete: Success [build successful]  Build details are at http://www.shogun-toolbox.org/buildbot/builders/cmdline_static/builds/95622:32
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shogun-buildbot_build #627 of octave_modular is complete: Failure [failed compile]  Build details are at http://www.shogun-toolbox.org/buildbot/builders/octave_modular/builds/627  blamelist: blackburn91@gmail.com22:58
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shogun-buildbot_build #602 of lua_modular is complete: Success [build successful]  Build details are at http://www.shogun-toolbox.org/buildbot/builders/lua_modular/builds/60223:13
--- Log closed Sat Jun 16 00:00:41 2012