IRC logs of #shogun for Wednesday, 2013-06-19

« Tuesday, 2013-06-18 Index Thursday, 2013-06-20 »
--- Log opened Wed Jun 19 00:00:51 2013
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stepan_Hi, is there any other tutorial for using Shogun in C++ except the official one on the site? Because for example I don't quite understand when to use SG_REF.10:43
votjakovrwhois stepan_10:43
votjakovrstepan_: Oh sorry :)10:44
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@lisitsynvotjakovr: lol!10:45
@lisitsynstepan_: hey there10:45
@lisitsynstepan_: I don't think we have anything else on that10:46
@lisitsynstepan_: but just ask!10:46
votjakovrlisitsyn: i missed slash :D10:46
@lisitsynvotjakovr: what's the weather in barnauland?10:50
@lisitsynbetter now?10:50
@lisitsyn;)10:50
votjakovrlisitsyn: it's sunny, ~21 C10:51
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gsomixhello12:23
gsomixthe exam is passed12:27
gsomixwhere is sonney?12:27
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lambdayHeikoS: guten morgen :)13:44
@HeikoSlambday:  hi! :)13:45
@HeikoSnot really morning here13:45
@HeikoSawake since 6hrs13:45
lambdayHeikoS: hehe! I don't know how to greet good afternoon/noon13:45
@HeikoSGuten Tag!13:45
lambdayahan13:45
@HeikoSMahlzeit!13:45
lambdaywhat does Mahlzeit mean?13:45
@HeikoS(which means: enjoy your meal, but we say this anyways :)13:45
lambdayokay I'm trying again.. HeikoS, Guten tag, mahlzeit :D13:46
@HeikoShaha yes! :)13:46
lambdaywhen are you leaving for your trip?13:46
@HeikoSlambday: pretty soon, currently organising things for it13:47
lambdayHeikoS: awesome, man! longest I went on a cycle trip was 45 kms.. random destination.. stayed whole night in a railway station :(13:48
lambdayI should try that again sometime13:48
@HeikoSlambday: yeah cycling is fun, used to do it a lot about 10 years ago, but not anymore except for to work, so really looking forward to this one13:49
lambdayyeah cycling is awesome! have a great time :)13:50
lambdayby the way, scalar aggregator is ready... so is independent job base, and dense matrix exact log job.. adding unit tests one by one... will send PR once they are ready13:50
@HeikoSlambday: nice work!13:51
lambdayHeikoS: :)13:51
@HeikoSso probably the exact log stuff with serial computation and normal vectors will work soon right?13:51
lambdayHeikoS: I am hoping that it will be ready by next monday13:51
@HeikoSyou can already add a python example then and plot the convergence of the estimate mean13:52
@HeikoSwould be nice to have (also for sanity check)13:52
lambdayHeikoS: alright.. :)13:52
@HeikoSits hard to unit test the things, since its random, but a plot will be good13:52
@HeikoSor just compute many many estimates for a small matrix13:52
@HeikoSthen the error should be small13:52
@HeikoSlambday: cool, looking forward to see this stuff13:52
lambdaythat's what I was thinking13:52
@HeikoSlambday: for Thursday (the meeting) you are set right?13:52
@HeikoSlambday: you probably will also have to introduce the project in a few sentences and maybe give plans for next week(s)13:53
@HeikoSand the real life example13:53
lambdayHeikoS: I gotta do some studies.. I read the page.. gotta study a few stuffs..13:53
lambdayHeikoS: alright.. regarding this project, I always get confused about how much to say... when I say my friends I end up trying to explain the rational approximation part and they get all confused..13:54
@HeikoSlambday: you dont have to know all the details yet :) its just a big Gaussian distribution of which we want to compute estimates via estimateing the log-determinants (which is the hard part)13:54
lambdayI gotta learn how to present it13:54
@HeikoSlambday: dont explain details, big picture is important for the others here13:54
@HeikoSwe will write a detailed documentation soon13:55
lambdayHeikoS: I don't know how they form the MRF :-/13:55
@HeikoSlambday: its very similar to the gaussian distribution13:55
@HeikoSso something like -log(det(C)) - mu^T C ^(-1) mu^T13:55
@HeikoSif you look at the ozone model likelihood you will find very similar terms13:55
@HeikoSjust say its a GMRF whose likelihood contains log-determinants which are hard to compute13:56
@HeikoSso we can esitmate them13:56
@HeikoSand with this evaluate the likelihood13:56
@HeikoSso we can learn parameters and stuff13:56
@HeikoSthats enough13:56
lambdayalright.. that sounds easy :)13:56
@HeikoSif people start aksing questions, just send them to me13:56
lambdayhehe :D13:56
@HeikoSyour job currently is to compute log-determinants13:57
@HeikoSand the ozone is a big model that needs them13:57
@HeikoSdone :)13:57
lambdayphew!13:57
@HeikoSoh btw here is the paper13:58
@HeikoShttp://arxiv.org/abs/1306.403213:59
lambdaychecking13:59
@HeikoSthis is the one that uses the ozone data13:59
@HeikoSbut focus is on other things13:59
@lisitsynHeikoS: so I guess you won the game right? ;)14:00
@HeikoSlisitsyn: sure I have a special tactic ;)14:00
@HeikoSlisitsyn:  has sören disappeared?14:01
lambdayHeikoS: awesome!! I'll check this.. so much math/stat :D14:01
@HeikoSlambday: its good stuff ;)14:01
lambdayyeah!!!! :D14:02
@lisitsynHeikoS: yes kind of14:02
@HeikoSlisitsyn: should we talk a bot about the workshop?14:04
@HeikoSI have to leave in 1 hr and wont be back before one week and only have basic emailing on tablet until then14:05
@lisitsynHeikoS: sure ,what should we dicsuss?14:05
@HeikoSlisitsyn: I think sören wanted to discuss the schedule14:05
@HeikoSlisitsyn:  or maybe do that on the GSoC meeting?14:06
@HeikoSeverybody should be there then14:06
@lisitsynHeikoS: I remember you shared a thing14:06
@lisitsynah so that's votes14:06
@HeikoScould you share the linkP?14:07
@lisitsynHeikoS: https://docs.google.com/spreadsheet/ccc?key=0Amig4CX9mHQbdG1lQ1lNcDFsYUluZnA5ZDBiT0N1VHc#gid=014:08
@HeikoSlisitsyn: so, are we clear on the topics then?14:09
@HeikoSwho wants to talk?14:09
@HeikoShow many talks14:09
@HeikoSwasnt there also a schedule draft?14:09
@lisitsynHeikoS: yes let me find14:13
@lisitsynehmm I can't find14:15
@HeikoSlisitsyn:  me neither :(14:17
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@lisitsynHeikoS: well I guess you, me, fernando and soeren?14:26
@HeikoSgunnar14:26
@HeikoSso 6 talks?14:26
@lisitsynahh yes14:26
@lisitsynwho is 6th?14:26
@HeikoSah sorry14:27
@HeikoSthere are two talks for SVM/MKL14:27
@HeikoSand MMD/GPs14:27
@HeikoSso either sören and me do two14:27
@HeikoSor just one14:27
@HeikoSdont know14:27
@lisitsynI see14:27
@HeikoSwe dont want to get bored  :)14:27
@HeikoSI tend to talk a lot ;)14:27
@HeikoSblablablablabla14:27
@HeikoSyou see these patterns in IRC logs14:27
@lisitsynHeikoS: hehe that's good14:27
@HeikoSlisitsyn:  sent a mail with a few thoughts14:28
@HeikoSI gotta go now14:28
@lisitsynHeikoS: alright see you then14:29
@HeikoSlisitsyn: see you in one week latest, I will try to come by a few times14:29
@lisitsynHeikoS: oh quite a long!14:29
@HeikoSlisitsyn: yeah14:29
@lisitsynHeikoS: should I kick your students? ;)14:29
@HeikoSlisitsyn:  please do :)14:30
@lisitsynnot kick out but kick ass14:30
@HeikoSnot too hard though :)14:30
@lisitsynhah14:30
@lisitsynalright14:30
@HeikoSlisitsyn, lambday bye bye, take care14:34
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@lisitsynvotjakovr: hey! Heiko told me to watch you 24/715:48
@lisitsyn:D15:48
@lisitsynhow is your refactoring going?15:48
votjakovrlisitsyn: hey! I moved existing GP stuff to shogun/machine/gp, greated GPMachine base class for GP regression and GP classification binary/multiclass. Now I'm fixing existing GPRegression class, then I need to make GPClassification class and fix some swig problems16:09
votjakovrlisitsyn: has he already left?16:10
@lisitsynvotjakovr: yes16:10
@lisitsynvotjakovr: alright let me know if I can help you16:11
votjakovrlisitsyn: can you review my PRs? Not right now, but when i'll send it16:13
lambdayhe left! :( he will be missed :(16:15
lambdaywhere is soeren?? :-/16:15
@lisitsynvotjakovr: yes sure16:16
votjakovrlisitsyn: Ok, we planned to finish refactoring and implement classification with logit likelihood + laplacian inference until next monday.16:24
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gsomixgood evening20:09
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gsomixlisitsyn, \(^__^)/20:17
lisitsyngsomix: that looks way too happy20:33
gsomixnite21:14
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lisitsynhey there guys22:02
lisitsyniglesiasg, pickle2722:02
pickle27hello22:02
lisitsynpickle27: how are you?22:02
pickle27lisitsyn, not too bad22:02
lisitsynpickle27: is your interview today?22:02
pickle27lisitsyn, yeah I just finished, I am finally on the train home!22:03
lisitsynpickle27: oh I see - so how it was?22:03
pickle27lisitsyn, it went okay, google interviews are tough, I think I have decided to take my other offer at a company called Shopify22:04
pickle27lisitsyn, I just liked it there a bit better then the specific google office I was interviewing at22:04
@iglesiasghey lisitsyn22:04
lisitsynpickle27: kind of startup?22:04
@iglesiasgwell hi all :)22:04
lisitsyniglesiasg: and how are you?22:04
pickle27lisitsyn, they're still private so kind of but they have 100 employees22:05
lisitsynpickle27: I see22:05
@iglesiasglisitsyn: awesome! Finally back in Sweden22:05
lisitsyniglesiasg: oh everyone is travelling now22:05
pickle27lisitsyn, man I am so ready to just be home!22:06
lisitsynpickle27: where is shopify located?22:06
pickle27Ottawa22:06
lisitsynpickle27: and you are from ..? :)22:08
pickle27lisitsyn, I grew up in Calgary and I'm going to school in Kingston - Ottawa is about 2 hours away from where I live now22:09
pickle27so I'll be moving there in the fall22:09
lisitsynpickle27: so you always live where NHL teams are located?22:10
lisitsyn;)22:10
lisitsynfirst flames then senators? ;)22:11
pickle27lisitsyn, I guess so lol, Canada is super spread out almost all of our major cities have NHL teams22:11
pickle27lisitsyn, like probably 90% of the canadian population is in Toronto, Ottawa, Calgary, Edmonton and Vancouver22:12
lisitsynpickle27: I used to be avalanches fan22:12
pickle27lisitsyn, nice!22:12
lisitsynpickle27: not decided about canadian teams22:13
pickle27is NHL big in europe or is there another league people prefer or do people just not watch hockey a lot?22:13
lisitsynI only hate toronto jerseys22:13
pickle27hahah22:13
pickle27I make fun of Toronto fans!22:13
lisitsynthey are as ugly as it could be22:13
lisitsynpickle27: well in russia we have our own league22:13
lisitsynit spreads to europe now22:14
lisitsyna lot of money there so the level is indeed high22:14
pickle27what part of russia are you from again?22:15
lisitsynpickle27: well european part :)22:15
pickle27my mom just did a trip and she stopped in petersburg for a few days22:16
lisitsynpickle27: https://maps.google.com/maps?safe=off&q=samara&ie=UTF-8&hq=&hnear=0x416618e22bd879d3:0xba95cda9bb3a030b,Samara,+Samara+Oblast&gl=ru&ei=mxHCUYfkKYel4gSg14G4Cg&ved=0CLABELYD22:16
lisitsynpickle27: that's ~2000km from me22:17
pickle27russia is a pretty big place!22:18
lisitsynpickle27: yeah votjakovr lives to the another side :)22:18
lisitsynhalf a way to the another side I'd say22:18
lisitsynbut still no other way but aircraft to get there in a reasonable time22:19
pickle27lisitsyn, yeah Canada is like that too, the only real way to get from place to place is by air22:20
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--- Log closed Thu Jun 20 00:00:53 2013
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