| --- Log opened Wed Feb 29 00:00:19 2012 | ||
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| n4nd0 | hi there | 08:37 |
|---|---|---|
| n4nd0 | is there any nice function already implemented in shogun to concatenate matrices in C++? | 08:38 |
| sonne|work | no | 08:49 |
| sonne|work | one should rather try to avoid this for large feature matrices... | 08:50 |
| sonne|work | i.e. for computing cov you should rather add a new cov function that operates on two matrices :) | 08:50 |
| n4nd0 | ok, I see | 08:55 |
| n4nd0 | I will first implement it in the class MahalanobisDistance and if it is better later I can move to another where it is more appropriate | 08:56 |
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| sonne|work | n4nd0: it would make sense to just put it next to the get_cov from dotfeatures :) | 10:49 |
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| blackburn | sonne|work: hey, howdy? | 14:01 |
| blackburn | n4nd0: do you need any other suggestions what to work on? ;) | 14:01 |
| sonne|work | howdy cowboy ;-)( | 14:02 |
| blackburn | sonne|work: will you store current proposal at shogun-publicity? | 14:10 |
| sonne|work | when I made some more progress yes | 14:10 |
| blackburn | is it raw still? | 14:11 |
| sonne|work | btw, we have some new great ideas from vojtech :) | 14:11 |
| sonne|work | yes | 14:11 |
| blackburn | great ideas from vojtech? I am curious | 14:11 |
| blackburn | so what are the ideas? | 14:11 |
| sonne|work | I will commit this in the evening | 14:11 |
| blackburn | will he be able to mentor 2 students? | 14:12 |
| blackburn | sonne|work: sagen sie mal ideas! | 14:12 |
| blackburn | :D | 14:12 |
| blackburn | yes I know it is not a proper deutsch ;) | 14:13 |
| sonne|work | well we don't know if we get good proposals for all ideas... | 14:13 |
| blackburn | sonne|work: away : ? db & Biotek - SOD ? -- hey now I know what is the music you are listening to! :D | 14:16 |
| blackburn | tell me the ideas! | 14:17 |
| blackburn | damn once upon a time I will get your phone number and will call you to make you answer ;) | 14:19 |
| n4nd0 | blackburn: sure! tell me | 14:56 |
| n4nd0 | blackburn: I am a bit stuck with some university work but I hope I will be back soon to fix the Mahalanobis stuff and after I can take a look to another thing | 14:57 |
| blackburn | n4nd0: I'd have to think about it though :) | 14:58 |
| blackburn | same thing here with work and university | 14:58 |
| n4nd0 | blackburn: ah ok! I thought you already came up with something, I took a quick look yesterday to GPs in scikit-learn | 15:00 |
| blackburn | not really but I had some ideas before and 'll try to remind it during the spare time | 15:01 |
| n4nd0 | cool | 15:02 |
| n4nd0 | what do you study in the university btw? | 15:02 |
| blackburn | well some shit I do not really like to study hah | 15:02 |
| blackburn | officially I have major in mathematics and computer science | 15:03 |
| blackburn | hard to translate these parts of russian education to your standarts :) | 15:04 |
| blackburn | but I guess I can say it is major | 15:04 |
| n4nd0 | haha I know what you mean with standards | 15:05 |
| n4nd0 | my Spanish studies are not really within any normal standards either ... | 15:05 |
| blackburn | if you have talked to some russians you probably know we can't choose what to study :) | 15:06 |
| n4nd0 | oh really? | 15:06 |
| n4nd0 | didn't know about that! I have met some Russians around here but never heard it | 15:06 |
| n4nd0 | that doesn't sound good | 15:07 |
| blackburn | so I just have to study what they say to study :) | 15:09 |
| blackburn | currently it is some optics (again) and DSP | 15:09 |
| blackburn | and also some software engineering stuff | 15:09 |
| n4nd0 | I am taking right now a course from Spain in software engineering too | 15:10 |
| n4nd0 | personally I don't like it that much, too theoretical from my point of view | 15:10 |
| blackburn | my SE course here is a useless crap | 15:11 |
| blackburn | I have never seen such stuff they treat as software engineering 'ways' anywhere :) | 15:12 |
| n4nd0 | :) | 15:13 |
| blackburn | n4nd0: funny thing I have no machine learning courses here as well | 15:16 |
| blackburn | and I did some unofficial course by myself last year :D | 15:17 |
| n4nd0 | blackburn: it's not nice that they don't have ml courses | 15:18 |
| blackburn | https://dl-web.dropbox.com/get/Public/ml/classification-NB%2CID3.pdf | 15:18 |
| n4nd0 | did you take those courses in the university or somewhere else? | 15:18 |
| blackburn | I bet you won't understand much ;) | 15:18 |
| blackburn | in russian hah | 15:18 |
| n4nd0 | haha | 15:19 |
| blackburn | well I just asked my fellows if they want to study it a little | 15:19 |
| n4nd0 | the link doesn't wotk either | 15:19 |
| blackburn | really? | 15:19 |
| blackburn | and did 5 lectures on some basic ML | 15:19 |
| n4nd0 | cool | 15:19 |
| blackburn | http://dl.dropbox.com/u/10139213/ml/classification-NB%2CID3.pdf | 15:19 |
| blackburn | hm sorry yes | 15:19 |
| blackburn | right one ^ | 15:19 |
| n4nd0 | I like slides with latex :) | 15:20 |
| blackburn | everyone do :) | 15:20 |
| n4nd0 | I got to know ml last year when I came to Stockholm | 15:21 |
| n4nd0 | never saw something similar before in my courses in Spain | 15:21 |
| n4nd0 | well maybe something similar to classification with detectors in digital communications | 15:21 |
| blackburn | hardest thing here was to fit python classifiers in one slide :D | 15:21 |
| n4nd0 | haha | 15:22 |
| blackburn | yeah ML is not known everywhere yet | 15:22 |
| n4nd0 | but the funniest thing is that some people in my home university makes some reasearch on svms | 15:22 |
| n4nd0 | so it is like ... wtf you should let us know about that stuff! | 15:22 |
| blackburn | haha yeah | 15:23 |
| n4nd0 | anyway | 15:23 |
| blackburn | people here in my one do not know svms at all | 15:23 |
| n4nd0 | they have some pretty cool courses at KTH on machine learning | 15:23 |
| n4nd0 | there is a machine learning master actually | 15:23 |
| blackburn | they prefer to do something like 'solving neyman-pearson task with fisher discriminant analysis' | 15:24 |
| blackburn | in other words to do stuff everyone did in 1960s | 15:24 |
| blackburn | :D | 15:24 |
| n4nd0 | yeah, I know what you mean | 15:24 |
| blackburn | they think they can really control probabilities with these outdated stuff :) | 15:25 |
| blackburn | n4nd0: there is a soviet legacy everywhere | 15:27 |
| blackburn | we call it 'sowok' :) | 15:27 |
| n4nd0 | does it stand for sth? | 15:28 |
| blackburn | soviet union = sowetskiy soyuz -> sowok | 15:29 |
| n4nd0 | haha ok | 15:30 |
| blackburn | this word also stands for scoop for dust :) | 15:30 |
| blackburn | oh it seems I don't want to work at all | 15:32 |
| n4nd0 | haha nice coincidence the one for the dust | 15:32 |
| n4nd0 | same here, I am scared of a problem I have to hand in :S | 15:32 |
| blackburn | lets check whether my manager could notice I have nothing to work on | 15:32 |
| blackburn | n4nd0: what is the problem? | 15:36 |
| n4nd0 | blackburn: wireless communications stuff | 15:37 |
| blackburn | I see | 15:37 |
| n4nd0 | I actually enjoy the contents of the course, they are interesting | 15:38 |
| wiking | blackburn: the whole pdf is in russian! :) | 15:46 |
| wiking | do something about it :) | 15:46 |
| blackburn | wiking: well I have presented it to russian audience ;) | 15:47 |
| wiking | :> | 15:47 |
| blackburn | actually my english is pretty bad, but others have even worse | 15:48 |
| blackburn | so it would be way too funny | 15:48 |
| n4nd0 | c'mon, you write quite well around here, your English cannot be bad! | 15:49 |
| wiking | blackburn: you've gotta practice mate :) | 15:50 |
| wiking | ah fuck yeah i should resend the email to alex | 15:51 |
| wiking | what's sonney2k 's email? | 15:51 |
| wiking | sonne@debian.org uses this? | 15:52 |
| blackburn | yes | 15:52 |
| wiking | cool | 15:52 |
| wiking | ok done \o/ | 15:53 |
| wiking | bbl | 15:59 |
| blackburn | nice, I hope he will answer this time | 15:59 |
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| n4nd0 | it looks like I finally convinced a friend of mine to use shogun to help with the work on his thesis :) | 17:44 |
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| bais | hi! | 19:02 |
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| n4nd0 | bais: hey! | 19:08 |
| bais | i was considering to use shogun to test my own implementation of a string kernel. | 19:09 |
| bais | would it be particularly hard to plug in my own kernel function in a SVM using shogun? | 19:10 |
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| n4nd0 | bais: I am not completely sure about it, I guess it depends on the complexity of your kernel | 19:14 |
| n4nd0 | but it shouldn't be a big deal at first sight | 19:14 |
| n4nd0 | take a look at this one, it is particularly short | 19:14 |
| n4nd0 | http://www.shogun-toolbox.org/doc/en/current/FixedDegreeStringKernel_8cpp_source.html | 19:14 |
| n4nd0 | but I guess it would be more interesting if you could use your own implementation in python/octave so you can try it faster | 19:15 |
| n4nd0 | but I don't know if that can be done without implementing it in C++ :( | 19:15 |
| bais | oh i see.. my intention was exactly to use an octave implementation, so speed up the development and test the results without having too much trouble in the coding process | 19:18 |
| bais | at first at least.. | 19:20 |
| * n4nd0 | 19:30 | |
| * bais thanks n4nd0 for his help, and thinks n4nd0 is a valid member of the shogun community | 19:30 | |
| n4nd0 | bais: haha I have just been around here for a couple of weeks | 19:35 |
| n4nd0 | member sounds more important than that :P | 19:35 |
| bais | i will continue reading some documentation and come back in case i have other problems / questions! | 19:41 |
| bais | tnx bye! | 19:41 |
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| n4nd0 | sonne|work: for the covariance stuff, in order to decide whether rhs and lhs are equal, is it enough with lhs != rhs | 20:45 |
| n4nd0 | sonne|work: or should I loop and compare element by element? | 20:45 |
| n4nd0 | sounds like sort of stupid question :( | 20:46 |
| @sonney2k | n4nd0, yes | 20:58 |
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| --- Log closed Thu Mar 01 00:00:19 2012 | ||
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