IRC logs of #shogun for Thursday, 2014-02-27

--- Log opened Thu Feb 27 00:00:16 2014
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dhruv13__iglesiasg: I need some help. Look at this pull request: https://github.com/shogun-toolbox/shogun/pull/189600:49
dhruv13__it shows 38 unique commits, what have i done wrong?00:50
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dhruv13__umm, anyone else?00:56
lambdaydhruv13__: yes01:02
dhruv13__i need help understanding what went wrong with https://github.com/shogun-toolbox/shogun/pull/189601:02
dhruv13__i think it happened because i rebased my develop branch with shogun/master01:03
lambdaydhruv13__: that might be the case!01:03
lambdaydhruv13__: rebase it with develop :)01:03
dhruv13__i want to correct that on my develop branch01:03
dhruv13__okay01:03
dhruv13__and can i delete that pull request and resubmit a new one?01:04
lambdaydhruv13__: absolutely01:04
lambdaydhruv13__: but your commit has already been pushed to your fork, so you gotta take care of that - refer to your local git log to make sure things are alright01:05
dhruv13__hmm, revert doesn't seem to do it01:07
@iglesiasgsorry dhruv13__ , I am off for today01:08
dhruv13__iglesiasg: It's alright... I'll figure this out01:09
@iglesiasghave a look at a git tutorial maybe01:09
dhruv13__iglesiasg: very embarrassing!!01:09
@iglesiasgthere is also some questions asked in the mailing list that should help you01:09
lambdaydhruv13__: I usually refer to stackoverflow whenever I am in trouble regarding git01:09
dhruv13__okay01:09
@iglesiasggood night everyone!01:09
dhruv13__Good night!01:09
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dhruv13__lambday: whew! fixed!!01:36
dhruv13__here is the updated one: https://github.com/shogun-toolbox/shogun/pull/189601:36
dhruv13__Thanks a lot for your help!01:37
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lambdaydhruv13__: great! :) make sure you run the unit-tests and do a valgrind check if necessary01:43
dhruv13__did that01:44
dhruv13__unit tests pass01:44
dhruv13__thanks again!01:44
lambday:)01:44
lambdaybtw if you add something new and there is no test that covers that, you might wanna add one that shows that your change works01:45
dhruv13__okay01:46
dhruv13__i think i need to add a unit test the fequals() function i added01:47
lambdaygood idea01:47
dhruv13__will do... got college in a while...01:48
dhruv13__in a few hours maybe ;-)01:48
lambdaydhruv13__: lol good luck with that :D01:48
dhruv13__bye!!01:48
lambdaybye01:48
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* sonney2k yawn!03:58
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lisitsynHeikoS1: ping11:09
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HeikoS1lisitsyn: pong11:46
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stefan88what development environment I need for GSOC projects?11:56
stefan88Windows or Linux?11:56
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stefan88Visual Studio C++ or just editing files in notepad11:57
stefan88notepad++ I meant11:57
lisitsynHeikoS1: what can we do about this story on us?11:58
HeikoS1stefan88: we can write it :)11:59
lisitsynHeikoS1: will you have any time today/tomrrow?11:59
HeikoS1stefan88: linux is easiest :)11:59
HeikoS1stefan88: vim, eclipse, notepad11:59
HeikoS1all are fine11:59
HeikoS1depends on what comfort you want11:59
stefan88HeikoS1: but definitely not visual studio?11:59
HeikoS1lisitsyn: yeah lets do it this evening/tonigh11:59
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HeikoS1t11:59
HeikoS1lisitsyn: I will draft something soon11:59
lisitsynHeikoS1: like 20 UTC12:00
lisitsynm'kay?12:00
HeikoS1lisitsyn: I am climbing then but will be in later12:00
lisitsynHeikoS1: righton12:00
HeikoS1lisitsyn: you can also already draft and then we can merge12:00
HeikoS1latest tomorrow12:00
lisitsynHeikoS1: I am no good in writing :D12:00
lisitsynHeikoS1: do you have ideas?12:00
HeikoS1lisitsyn: not yet, but these usually come easily12:00
HeikoS1lisitsyn: so dont worry. but we *really* should do this12:01
HeikoS1important!12:01
lisitsynHeikoS1: okay 'll be online tonight12:01
HeikoS1lisitsyn: good12:01
lisitsynHeikoS1: I'll try to draft something12:01
HeikoS1Ill be back around midnight12:01
HeikoS1irc time12:01
lisitsynmidnight utc?12:01
lisitsynouch :)12:01
HeikoS1lisitsyn: thats written in the chat12:01
HeikoS1too late?12:01
lisitsynHeikoS1: 04:00 for me ;)12:02
HeikoS1haha :)12:02
HeikoS1ok then maybe ill start alone12:02
HeikoS1maybe a bit earlier today12:02
lisitsynHeikoS1: okay we'll see12:02
HeikoS1if you have time, start drafting some bullet points what we want to say12:02
HeikoS1tunring into text is easy once we have that12:02
lisitsynHeikoS1: yeah will start tonight12:02
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stefan88HeikoS1: is ubuntu and text editor fine? :)12:19
HeikoS1stefan88: yeah ubunu is very easy12:20
HeikoS1stefan88: to set up shogun in12:20
HeikoS1stefan88: argh, my grammar ;)12:21
HeikoS1ubuntu is easiest to hack shogun in12:21
stefan88HeikoS1: awesome, that is what I used last summer also for GSOC12:21
HeikoS1stefan88: I used eclipse because of code browsing etc, but others here use vim + clang autocomplete12:21
HeikoS1https://www.youtube.com/watch?v=rk7_dXIKt0Y12:21
stefan88HeikoS1: ok i will set things up tonight12:22
stefan88gotta go for now, cya12:22
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shogun-notifier-shogun: Parijat Mazumdar :develop * 0252eee / src/shogun/regression/LeastAngleRegression.cpp: https://github.com/shogun-toolbox/shogun/commit/0252eee1074faffaeb68ec9d2b7b4d2017d3001d13:29
shogun-notifier-shogun: LARS bug fixed13:29
shogun-notifier-shogun: Parijat Mazumdar :develop * bf87007 / tests/unit/regression/lars_unittest.cc: https://github.com/shogun-toolbox/shogun/commit/bf87007c3e0fff79536884b02bd5481df8d94bf313:29
shogun-notifier-shogun: lars unit test added13:29
shogun-notifier-shogun: Parijat Mazumdar :develop * 77f3c55 / NEWS,tests/unit/regression/lars_unittest.cc: https://github.com/shogun-toolbox/shogun/commit/77f3c55b199114e15d6bea59e175521e5a6aeaf313:29
shogun-notifier-shogun: coding style changes in LARS unittest and NEWS updated13:29
shogun-notifier-shogun: Heiko Strathmann :develop * 8a8cf5b / / (3 files): https://github.com/shogun-toolbox/shogun/commit/8a8cf5b5b130b46406018e79a2afd04f553993c713:29
shogun-notifier-shogun: Merge pull request #1893 from mazumdarparijat/pca13:29
shogun-notifier-shogun:13:29
shogun-notifier-shogun: LARS bug fixed13:29
shogun-notifier-shogun: Heiko Strathmann :develop * 2a17b54 / NEWS: https://github.com/shogun-toolbox/shogun/commit/2a17b542f36a38fe2ade50f98db91a0aa580df6513:31
shogun-notifier-shogun: mention memory and crash in the latest fixes13:31
shogun-buildbotbuild #2713 of deb1 - libshogun is complete: Failure [failed test]  Build details are at http://buildbot.shogun-toolbox.org/builders/deb1%20-%20libshogun/builds/2713  blamelist: Heiko Strathmann <heiko.strathmann@gmail.com>, Parijat Mazumdar <mazumdarparijat@gmail.com>13:35
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dhruv13@HeikoS1: Hey! are you there?13:50
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HeikoS1dhruv13:  hi!13:51
dhruv13@HeikoS1: I think the unittests for equals are failing because of a typo in Parameter.cpp13:51
HeikoS1dhruv13: where?13:51
dhruv13@HeikoS1: line 3181, it should be compare_ptype instead of compare_stype13:52
dhruv13which is why scalar comparisons are failing13:52
dhruv13is that correct?13:52
HeikoS1let me check13:52
HeikoS1dhruv13: no check the compare_stype method13:54
HeikoS1case ST_NONE:13:54
HeikoS1{13:54
HeikoS1SG_SDEBUG("ST_NONE\n");13:54
HeikoS1return TParameter::compare_ptype(ptype, data1, data2, accuracy);13:54
HeikoS1break;13:54
HeikoS1}13:54
HeikoS1dhruv13: so, the compare p_type is called underneath13:54
dhruv13okay13:54
dhruv13sorry13:55
HeikoS1dhruv13: you should run the unit test locally and add debug poutput13:55
HeikoS1then you will see whats wrong13:55
dhruv13yeah13:55
HeikoS1what the values are that are compared etc13:55
HeikoS1dhruv13: i am sure its a minor glitch13:55
HeikoS1dhruv13:  could you add all these tests in the java example? that would be very useful13:55
HeikoS1to check whether this in fact works in c++ floats :)13:55
dhruv13yes, on it!13:56
dhruv13i'll submit a complete patch13:56
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shogun-notifier-shogun: Heiko Strathmann :develop * 9806d1d / src/shogun/mathematics/Statistics.cpp: https://github.com/shogun-toolbox/shogun/commit/9806d1d7e49d2f8d4cbceded36984a48371cc53114:09
shogun-notifier-shogun: clean up in error message14:09
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shogun-buildbotbuild #2714 of deb1 - libshogun is complete: Failure [failed test]  Build details are at http://buildbot.shogun-toolbox.org/builders/deb1%20-%20libshogun/builds/2714  blamelist: Heiko Strathmann <heiko.strathmann@gmail.com>14:13
Saurabh7Hi, I was wondering where the id3 iplementation should fit in shogun class hierarchy, https://github.com/shogun-toolbox/shogun/pull/1110 ?14:14
Saurabh7in the pr it includes shogun/multiclass/MulticlassLibLinear.h14:15
HeikoS1Saurabh7: everything you implement should be as tight in the shogun class hierarchy as possible14:18
Saurabh7HeikoS1,ok ,so should i just inherit from CBaseMulticlassMachine?14:29
HeikoS1Saurabh7: no I dont think since you dont want to do OvR right?14:32
HeikoS1Saurabh7: I am not sure here, pls ask lisitsyn14:33
HeikoS1lisitsyn: could you help here14:33
Saurabh7HeikoS1,no14:33
Saurabh7not ovr14:33
HeikoS1Saurabh7: I think the multiclass base registers loads of internal machines for such competitions14:33
HeikoS1but yours is truly multiclass14:33
Saurabh7HeikoS1, yes, so i will be using a multiple child nodes version of shogun/multiclass/tree/TreeMachine.h14:37
Saurabh7that should be enough i guess?14:38
HeikoS1Saurabh7: again, please talk to lisitsyn or iglesias, or send a mail to the list, I am not too sure here14:38
HeikoS1sonney2k, sonne|work might also be able to give some hints14:38
sonne|workSaurabh7, HeikoS1 errm for true multiclass it is IIRC MultiClassMachine14:40
Saurabh7ok, i was just confused by the #include <shogun/multiclass/MulticlassLibLinear.h> in the pr14:46
dhruv13HeikoS1: How do I display the debug messages while running unit tests? I built with debug options but that did not seem to work14:47
dhruv13using shogun-unit-test14:48
sonne|workdhruv13: IIRC ctest -VV14:49
sonne|workdhruv13: verbose compile is VERBOSE=1 make14:49
dhruv13i meant get the output of SG_SDEBUG() messages14:53
sonne|workdhruv13: well just do obj->io->set_loglevel(MSG_DEBUG);14:54
dhruv13will i have to change init_shogun() call in the unittest source?14:54
sonne|workdhruv13: init_shogun_with_defaults() is sufficient14:55
dhruv13what is the default sgio object? make complains that sgio is not a member of shogun15:09
dhruv13okay, sorry15:10
dhruv13it's sg_io15:10
dhruv13done!15:10
dhruv13sorry for being noisy ;-)15:15
sonne|workdhruv13: np15:21
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travis-ci[travis-ci] it's Heiko Strathmann's turn to pay the next round of drinks for the massacre he caused in shogun-toolbox/shogun: http://travis-ci.org/shogun-toolbox/shogun/builds/1972724816:47
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shogun-notifier-shogun: Parijat Mazumdar :develop * a14f3fc / tests/unit/regression/lars_unittest.cc: https://github.com/shogun-toolbox/shogun/commit/a14f3fca09e8c13ec16e501ca60aaac3ad40024017:06
shogun-notifier-shogun: LARS unittest error fixed17:06
shogun-notifier-shogun: Heiko Strathmann :develop * 6f5f9a0 / tests/unit/regression/lars_unittest.cc: https://github.com/shogun-toolbox/shogun/commit/6f5f9a0dd3f9e6f6ae2d6ee5ca35e283aeb0017717:06
shogun-notifier-shogun: Merge pull request #1897 from mazumdarparijat/pca17:06
shogun-notifier-shogun:17:06
shogun-notifier-shogun: LARS unittest error fixed17:06
shogun-buildbotbuild #2715 of deb1 - libshogun is complete: Success [build successful]  Build details are at http://buildbot.shogun-toolbox.org/builders/deb1%20-%20libshogun/builds/271517:08
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tomy18hey :)20:30
tomy18I'm a CS student in my final year of bachelors and I'm really interested in this organization for this years' GSOC20:30
tomy18but I have one question20:31
tomy18is the fact that I don't have experience with C++ a deal-breaker ? I am interested in learning it, but I'm not sure if this organization has the kind of projects where you can learn the language while working20:32
lisitsyntomy18: yes it is20:32
lisitsynfor the 2nd q20:32
lisitsyn:)20:32
tomy18:)20:33
lisitsynif you are motivated and interested - this works20:33
tomy18that's great news :) i have experience with c, but as for oop I've been working with java and python20:33
lisitsyntomy18: we are looking for developers not code20:33
tomy18good to know20:33
tomy18ok then, i'll get on with the stuff in faq20:33
tomy18thanks for the fast reply20:33
tomy18btw there's a typo in http://www.shogun-toolbox.org/page/Events/gsoc2014_how_apply : "We are also don’t bite" -- sounds funny ^^20:34
lisitsyntomy18: let me fix it20:35
lisitsynthanks20:36
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stefan88just to confirm guys before I start... for GSOC Ubuntu would be fine correct?21:54
stefan88it is nice for git, I assume shogun is fine with Ubuntu also?21:54
stefan88and also please recommend what you guys use for coding on Ubuntu, would just normal text editor be fine?21:55
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sonne|osxevening gents!22:29
sonne|osxthis year feels crazy as in quite a rush...22:33
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--- Log closed Fri Feb 28 00:00:18 2014

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