IRC logs of #shogun for Tuesday, 2014-02-18

--- Log opened Tue Feb 18 00:00:03 2014
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@iglesiasgsonne|osx, I guess we better remove the first line now http://shogun-toolbox.org/page/Events/gsoc2014_how_to08:15
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shogun-notifier-shogun: Parijat Mazumdar :develop * 9653908 / doc/ipython-notebooks/clustering/KMeans.ipynb: https://github.com/shogun-toolbox/shogun/commit/96539087fa78bbbc12181ec24ad6b2df105f695008:32
shogun-notifier-shogun: added PCA+KMeans in KMeans notebook08:32
shogun-notifier-shogun: Parijat Mazumdar :develop * d2b1a47 / doc/ipython-notebooks/clustering/KMeans.ipynb: https://github.com/shogun-toolbox/shogun/commit/d2b1a47d7cc3113dc46ba1069a8a66daf3983e1f08:32
shogun-notifier-shogun: minor changes in PCA in KMeans notebook08:32
shogun-notifier-shogun: Fernando Iglesias :develop * 9857652 / doc/ipython-notebooks/clustering/KMeans.ipynb: https://github.com/shogun-toolbox/shogun/commit/98576522826d3819ecf8f4f2a80a431fc68c2ef308:32
shogun-notifier-shogun: Merge pull request #1872 from mazumdarparijat/KMeans_notebook08:32
shogun-notifier-shogun:08:32
shogun-notifier-shogun: added PCA+KMeans in KMeans notebook08:32
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travis-ci[travis-ci] it's Fernando Iglesias'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/1909325309:35
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wikingguys i know that it's academic style to use [1] reference styles, but it's 2014 and html5 is even out, so when we write something on a webpage we should use <a href src="">....10:01
sonne|workwiking: +110:35
sonne|workwiking: just do it10:35
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arpitI am Arpit. I am interested in the project: Variational Learning for Recommendations with Big Data11:20
arpitPlease refer me the pre-reqs for this project11:21
wikingarpit: the best is to contact the mentor directly11:21
sonne|workarpit: better ask on the mailing list11:21
arpitShould i mail to the mentor directly, or first introduce myself on the mailing list11:23
wikingarpit: if u write on the mailing list then the mentor should see it as well and if u start discussing it over the mailing list others who are interested in the project will know more... this helps the mentor not to tell everything more than once11:24
wikingso it's actually better to send to the mailing list11:24
wikingnot to overload the mentors11:25
wikingthnx11:25
arpitwiking: Thanks11:25
wikingnw11:25
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lisitsynargh I am back :D12:20
sonne|worklisitsyn: argh hurray!13:35
lisitsynsonne|work: I was a bit sick13:35
lisitsynsonne|work: what's going on?13:35
sonne|workerrm shogun 3.2.0 and still gsoc ideas polishing13:36
lisitsynsonne|work: right13:36
lisitsynokay :)13:36
sonne|worklisitsyn: what was your performance in the traffic sign recognition challenge?13:36
lisitsynsonne|work: ~97 iirc13:37
lisitsynsonne|work: why?13:38
sonne|worklisitsyn: well just looked at http://benchmark.ini.rub.de/?section=gtsrb&subsection=results13:38
sonne|workand congrats to be 4rd then :D13:39
sonne|worklisitsyn: you should make this a demo...13:39
lisitsynsonne|work: yeah I could be the 4th here :D13:39
lisitsynsonne|work: though it was hell13:40
lisitsyndue to hog sizes13:40
lisitsynso I'd have to tune13:40
lisitsynhog size / hog # of cells / svm's C13:40
lisitsynsonne|work: the demo could be13:41
lisitsynjust select any pic from the training set13:41
lisitsynand see the ouput13:42
sonne|workimage upload and classify13:42
lisitsynsonne|work: well13:44
lisitsynhow do you get a pic of road signs? :D13:44
lisitsynyou'd rather put a random pic here13:44
lisitsynand have fun it thinks ass is a stop sign13:44
sonne|workhehe13:44
sonne|workwell I think detecting probably bounding boxes is not that hard13:45
lisitsynsonne|work: they had GSTRD13:45
lisitsynlike GTSRB13:45
lisitsynbut detection13:45
lisitsynerr sorry13:45
lisitsynGTSDB13:45
lisitsyn:D13:45
lisitsynGTSDB and GTSRB13:46
lisitsyndetection & recognition13:46
lisitsynGTSDB was pretty funny13:46
lisitsynbecause a few codes had 100% performance13:46
lisitsynhttp://benchmark.ini.rub.de/?section=gtsdb&subsection=results13:46
lisitsynso they had to compare average overlap :D13:47
lisitsynROC = 1.00 always13:47
sonne|workhmmhh and winner is an svm13:47
lisitsynyeah13:47
lisitsynyou can't easily detect with CNN I think13:48
lisitsynit is harder to put off some false positives here I think13:48
lisitsynI may be wrong though13:48
sonne|workyou mean 101% with CNN right :D13:49
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lisitsynsonne|work: 101%?13:52
lisitsynah13:52
lisitsyn:D13:53
lisitsynthere are a few CNNs in top actually13:53
lisitsynHOG + LDA + SVM sounds funny13:53
lisitsynso they compute hogs13:53
lisitsynthen transform with lda13:53
lisitsynand then svm13:53
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sonne|worklisitsyn: anyway you should make this a demo and also finish your notebook... would be too bad that what you wrote gets wasted...15:15
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parijatHeikoS: hi, Just to let you know I plan to work on working on PCA tune up.19:25
parijatHeikoS: will it be best if I work out the entire thing and then issue a fresh PR?19:26
@HeikoSparijat: hi!19:26
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@HeikoSparijat: we can merge yours if travius is green19:27
@HeikoSparijat: but you can also add all this stuff in one PR, I dont mind19:27
@HeikoSparijat: great that you are up for that, will be very useful for us19:27
@HeikoSparijat: and if this is done, you can proceed with KPCA if you like :)19:27
parijatHeikoS: alright, and then I can work on the other parts separately. cool!19:27
parijatHeikoS: ya sure :)19:28
@HeikoSparijat: have a look at the david barber PCA code, it illustrates quite nicely what I mean with the EIG/SVD versions19:28
@HeikoSparijat: and also make sure to unit test against that code19:28
@HeikoSthe current unit test is not really saying a lot19:28
@HeikoSyou can test for eigenvectors, and projection19:29
@HeikoSparijat: actually, now that we are talking about this19:29
parijatHeikoS: ya I agree! :) so I can generate output using matlab and then just compare results right?19:29
@HeikoSexactly19:29
parijatHeikoS: alright!19:30
parijatHeikoS: For this PR I think the tester data needs to be updated.19:30
parijatHeikoS: actually the tester is expecting 2x92 matrix for comparison. but actually it should expect 1x92 matrix19:31
parijatHeikoS: did I make sense?19:32
@HeikoSparijat: yeah feel free to update the data19:32
@HeikoSdo you know how to do that?19:32
parijatI will have to make a PR to shogun-data right?19:33
@HeikoSparijat: exactly, you generate the new data with generator.py which creates new files, then you commit them to data19:34
@HeikoSyou have to include that in the PR19:34
@HeikoSah no, in parallel19:34
parijatok, alright!19:34
@HeikoSparijat: thanks a lot for going after this!19:35
@HeikoSparijat: we could also need a nice notebook on PCA, with lots of 3d pancakes :)19:36
parijatHeikoS: no worries! its interesting stuff.19:36
@HeikoSparijat: one project will be on such things btw, ppca for example19:36
@HeikoSgsoc I mean19:36
parijatHeikoS: ok. Is it in the ideas page already?19:37
@HeikoSyeah the variational big learning thing19:37
parijatHeikoS: ohk! I will have a look at it.19:37
@HeikoSparijat: cool!19:38
@HeikoSparijat: I guess you plan to apply to Shogun if we are in?19:38
parijatHeikoS: Even Fernando added fixing PCA code to his to-do list for his project19:38
@HeikoSparijat: yeah :)19:38
parijatHeikoS: ya definitely! I reached out to fernando regarding that before. :)19:39
parijatI am planning to put in more than 1 applications actually. Most probably 219:39
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@HeikoSparijat: cool, would be nice!19:41
parijatHeikoS: :)19:43
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@HeikoSparijat: just added a few more pca based things19:49
@HeikoSas entrance tasks19:49
parijatHeikoS: ya just checked. I will try to attempt as many as I can :)19:51
@HeikoSparijat: looking forward to see the results :)19:51
@HeikoSlisitsyn: around?19:51
@HeikoSsonney2k: around?19:52
parijatHeikoS: sure! :)19:52
lisitsynHeikoS: yes19:53
lisitsynwhat's up?19:53
@HeikoSlisitsyn: how to edit the website?19:53
@HeikoSfernando sent me a link but that doesnt work19:53
lisitsynHeikoS: http://shogun-toolbox.org/admin/19:53
lisitsynshould work once you login19:53
@HeikoSah ... the slash made it19:53
lisitsynyeah19:53
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lisitsynHeikoS: I am a bit confused with pca task :20:36
lisitsyn:)20:36
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parijatHeikoS: I could update python-2 test. But how can I update python-3 test? Do I need to have python 3 for that?20:46
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@HeikoSparijat: I dont know about python3 stuff, ask sonney2k about that21:11
@HeikoSlisitsyn: why are you confused? :)21:11
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lisitsynHeikoS: I wanted to outsource that to tapkee ;)21:27
@HeikoSlisitsyn:  you can do that still right?21:27
lisitsynyeah sure21:27
@HeikoSlisitsyn:  but we want nice existing code21:27
@HeikoSsince the current one is messy and might be slow21:27
@HeikoSand not tested21:28
@HeikoSand its a good intro task21:28
@HeikoSand people actually use that :D21:28
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pickle27sonney2k: around?21:30
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@iglesiasgHeikoS, sorry about the slash in the link :(21:35
@HeikoSiglesiasg:  no worries :) No I cannot find my password haha21:35
@HeikoSbut yeah21:35
@iglesiasgI lost some minutes few long time ago with that, should have noticed21:35
@HeikoSjust wrote another project description, I might ask you to put that online for me :)21:35
@HeikoSdont worry21:35
@iglesiasgHeikoS, let me check if I find the mail when I got it, it might help you to find it knowing the date or so21:36
@HeikoSI think sören told us to ask him for our password21:36
@HeikoSbut I never did :)21:36
@iglesiasgaah ok21:36
@HeikoSok gotta go, will send you the description later tonight, I already started drafting in the google doc, feel free to have a look, correct typos, and extend21:37
@HeikoSsee you!21:37
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@iglesiasgbye bye21:39
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sonne|osxwiking: around?22:34
sonne|osxwiking: I am totally lost with r_modular install22:36
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wikingsonne|work: :D23:06
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@sonney2kwiking, hey23:50
@sonney2kwiking, you there?23:50
@sonney2kwiking, it is ignoring the DESTDIR when trying the install23:50
wikinghalf here23:51
wikingwho's ignoring?23:51
@sonney2kwiking, I want to get that R modular on travis to work23:51
wikingyeah i figured23:51
@sonney2kwiking, if I do VERBOSE=1 make install DESTDIR=`pwd`/install23:51
wikingbut what is ignoring destdir/23:51
@sonney2kit does this  file problem creating directory: /usr/local/lib/R/site-library/shogun/Meta23:52
@sonney2kin CMake Error at src/interfaces/r_modular/cmake_install.cmake:60 (FILE):23:52
@sonney2kso something is ignoring the DESTDIR23:52
@sonney2kan I cannot properly test this in some local install attempt23:52
@sonney2kwiking, src/interfaces/r_modular/CMakeLists.txt:install(CODE "FILE(MAKE_DIRECTORY ${R_COMPONENT_LIB_PATH}/shogun/Meta)")23:54
@sonney2kis what I find where it occurs in the src tree23:54
@sonney2khowever it is happily installing into /home/demo/shogun/build/install/usr/local/lib/R/site-library/shogun/libs/modshogun.so etc23:55
wikingm23:56
wikinghave to check into it23:56
@sonney2kwiking, it is driving me mad because23:57
@sonney2kinstall(FILES ${CMAKE_CURRENT_BINARY_DIR}/modshogun.so23:57
@sonney2k    DESTINATION ${R_COMPONENT_LIB_PATH}/shogun/libs23:57
@sonney2k    COMPONENT r)23:57
@sonney2klooks like it is doing the same23:57
--- Log closed Wed Feb 19 00:00:05 2014

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