| --- Log opened Tue Apr 09 00:00:10 2013 | ||
| --- Day changed Tue Apr 09 2013 | ||
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| naywhayare | blackburn: you weren't kidding about the 10 billion people | 01:24 |
|---|---|---|
| naywhayare | the swarm is descending upon me | 01:24 |
| n4nd0 | haha | 01:24 |
| n4nd0 | naywhayare: you better design a good classifier to help you ;) | 01:24 |
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| n4nd0 | sonney2k: page updated with participation announcement | 01:37 |
| n4nd0 | this admin interface editor gets me on my nerves :S | 01:37 |
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| debajyoti | hi, I am new here. can someone guide me with subscribing to the mailing list? thanks | 02:27 |
| medeeiip | send an empty mail to shogun-list-subscribe@shogun-toolbox.org | 02:30 |
| debajyoti | tried that about 2 hours ago. | 02:31 |
| debajyoti | i tried to post, but failed now | 02:31 |
| debajyoti | should i give it more time? | 02:31 |
| medeeiip | I was going by the code for handling files. For handling files c style file pointer is used. Is there any special reason for doing this | 02:32 |
| medeeiip | even in the functions like get_matrix() reference is passed as arguments... rather I can return a pair of references to the matrix and it's dimenssion | 02:36 |
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| medeeiip | I'm just asking about opinion.... | 02:40 |
| medeeiip | #shogun | 02:46 |
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| debajyoti | my problem has been solved, i can access the mailing list now. thanks | 02:47 |
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| subramanian_v | Hello Everybody | 03:06 |
| subramanian_v | I looked at shogun GSoC page | 03:06 |
| subramanian_v | So what kind of optimization algorithms should we know ? | 03:07 |
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| subramanian_v | anybody there | 03:27 |
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| subbu | anybody online ? | 04:01 |
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| blackburn | naywhayare: I just read your application form - are you planning to get a lot of guys who know SFINAE and CRTP? :D | 05:43 |
| naywhayare | blackburn: no, I don't expect to, but how people answer those questions will tell me a lot about them (if they choose to answer) and that will help with the filtering | 05:50 |
| naywhayare | note that one of the "challenge questions" is actually the halting problem :) | 05:50 |
| naywhayare | the responses to that, if people respond, should be entertaining, but they should also tell us a lot about who to avoid... | 05:51 |
| blackburn | naywhayare: I expect quite a few will answer you with something reasonable :) | 05:51 |
| naywhayare | I would have made the application less intimidating (I'm not sure intimidating is the right word), but considering that I already have a bunch of people begging for more information, some amount of filtering seems necessary | 05:52 |
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| naywhayare | anyway, it's bedtime now. 'night :) | 05:53 |
| blackburn | naywhayare: morning for me - good night ;) | 05:53 |
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| -!- ChanServ changed the topic of #shogun to: "Shogun Machine Learning Toolbox | Devs are usually around between 10am-10pm UTC | Workshop upcoming July 12-14, Berlin C-Base http://bit.ly/146Jtv8 | We participate in GSoC 2013 http://bit.ly/16LaK5Z | When asking questions please be patient or use the mailing list. We always answer but it might take a while. | Channel logs http://bit.ly/eQDk8Q" | 08:34 | |
| @sonney2k | blackburn, are you awake? | 08:39 |
| @sonney2k | wait you have been awake whole night?! | 08:39 |
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| n4nd0 | sonne|work: good morning! | 08:47 |
| n4nd0 | I had an idea, we could add an initiation task in github suited for the people interested in the demos/django project | 08:49 |
| n4nd0 | to integrate the history revision in the admin interface :) | 08:49 |
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| n4nd0 | providing that it seems several people are interested in this project, maybe someone can get it done soon. I think we sort of *need* this feature | 08:50 |
| n4nd0 | sonne|work: if you think it is fine I will write a github issue | 08:50 |
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| blackburn | sonney2k: was accidentally awake early in the morning then got asleep again :) | 08:59 |
| sonne|work | n4nd0: hey there! | 08:59 |
| sonne|work | blackburn: I was already wondering :D | 08:59 |
| blackburn | n4nd0: I think that's fine | 09:00 |
| sonne|work | n4nd0: IDK | 09:00 |
| blackburn | however no idea how to organize that | 09:01 |
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| n4nd0 | sonne|work: why not? | 09:02 |
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| sonne|work | n4nd0: because it is totally unrelated to the task - then I would rather want them to directly do stuff in d3js or some form via which one can upload data to the shogun server | 09:06 |
| n4nd0 | sonne|work: mmm I see. I though django was also important for this project. | 09:07 |
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| sonne|work | n4nd0: yes that is in django | 09:12 |
| sonne|work | but working one some stuff on the website - hmmhh totally unrelated to ML and core shogun isn't such a nice thing | 09:12 |
| sonne|work | IMHO this just has to be done and people should rather do ML & real applications | 09:12 |
| n4nd0 | sonne|work: Ok, I understand your point | 09:13 |
| blackburn | http://www.youtube.com/watch?feature=player_detailpage&v=LrXWD8tWEcU I should be careful in that city :D | 09:14 |
| sonne|work | is she ok? | 09:15 |
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| blackburn | sonne|work: no idea, probably | 09:16 |
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| blackburn | sonne|work: do you know aanything on SOCP? | 09:21 |
| medeeiip | I was going by the code for handling files. For handling files c style file pointer is used. Is there any special reason for doing this | 09:21 |
| blackburn | medeeiip: c style file pointer? what do you mean? | 09:22 |
| sonne|work | blackburn: yes sure | 09:22 |
| medeeiip | i mean FILE* f; type handling of any file | 09:22 |
| medeeiip | no use of fstream | 09:23 |
| blackburn | sonne|work: because I have nothing to answer to cheng :) | 09:23 |
| blackburn | medeeiip: I see | 09:23 |
| blackburn | medeeiip: I don't think there is a special reason to do that | 09:24 |
| medeeiip | even in the functions like get_matrix() reference is passed as arguments through which value is returned... rather I can return a pair of references to the matrix and it's dimenssion | 09:25 |
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| blackburn | medeeiip: why to create a new object to handle that? | 09:26 |
| sonne|work | medeeiip: we had typemaps so we could use python files directly in shogun | 09:27 |
| sonne|work | medeeiip: mapping FILE* <-> python | 09:27 |
| medeeiip | of course there will be change in ovarall code.. But using fstream implementing program(program using shogun library) will be a lot safer..... vary low chance of memory leak | 09:29 |
| medeeiip | @blackburn you mean fstream? | 09:30 |
| blackburn | medeeiip: I mean pair | 09:30 |
| medeeiip | because pair is lightweight and can return multiple things at once..... | 09:31 |
| medeeiip | i feel in todays computer this much memory would put a constrient | 09:32 |
| blackburn | what is that lightweight in pair? it is an object | 09:32 |
| medeeiip | i mean wouldn't@blackburn | 09:32 |
| medeeiip | an object containing only two reference | 09:32 |
| blackburn | pair do not contain references | 09:33 |
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| blackburn | it contains objects | 09:33 |
| blackburn | or values of PODs | 09:33 |
| medeeiip | if i return a pair like pair<int&,int&> what is wrong? | 09:34 |
| blackburn | that doesn't sound much safer than what we have | 09:34 |
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| medeeiip | i'm not saying pair is safer.......... | 09:35 |
| medeeiip | I'm saying using fstream instade of FILE is safer | 09:35 |
| medeeiip | and pair is simple ...and easy to work with | 09:36 |
| blackburn | medeeiip: so I have to rewrite it as you don't like it, right? | 09:36 |
| medeeiip | I'm not saying that..... I'm just taking opinion.... That's all | 09:37 |
| medeeiip | shogun has posted a idea for gsoc about improving file support.... For this what specifically you are asking for? | 09:38 |
| medeeiip | The post said overall improvement of code quality | 09:38 |
| blackburn | yes and if you have suggestions feel free to make them come true :) | 09:39 |
| medeeiip | that's ok... but what your org mean to say by saying improvement of overall code quality | 09:40 |
| blackburn | medeeiip: changing it to fstream might be an example of improving code quality | 09:41 |
| medeeiip | thank you 'n btw one more general question: where buglist of shogun is mentained? | 09:43 |
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| blackburn | medeeiip: github issues | 09:43 |
| blackburn | medeeiip: the problem with legacy things like FILE is that we don't really have time to rewrite code | 09:44 |
| blackburn | and if we rewrite it we should cover it with unit-tests | 09:44 |
| medeeiip | you mean file handling | 09:45 |
| blackburn | medeeiip: that's not the only example of not-the-best-C++-practice | 09:45 |
| blackburn | but we are more or less sure it is working so changing working code with prettier code is not the way to go - it should be properly tested then | 09:46 |
| medeeiip | I'mean you are asking unit tests for what? | 09:46 |
| blackburn | medeeiip: I mean if we change code we need unit-tests | 09:46 |
| medeeiip | Got it...... | 09:47 |
| blackburn | so far we had no power neither to rewrite code nor write unit-tests for that | 09:47 |
| medeeiip | how? | 09:47 |
| blackburn | that's why we hope students will help to improve the code | 09:47 |
| blackburn | how what? | 09:48 |
| medeeiip | how you had no power to rewrite code? | 09:48 |
| blackburn | there are a few of us only here and we have real jobs :) | 09:49 |
| blackburn | be back soon | 09:49 |
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| medeeiip | see you | 09:49 |
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| sonne|work | n4nd0: look pluskid wrote some nice summary for his last years project http://blog.pluskid.org/?p=870#more-870 | 10:09 |
| sonne|work | I cannot parse it though :D | 10:09 |
| n4nd0 | sonne|work: hehe yeah, me neither | 10:09 |
| n4nd0 | hi ppletscher! nice to see you around here :) | 10:09 |
| n4nd0 | I am guessing you are Patrick, maybe I got it wrong though hehe | 10:10 |
| ppletscher | hi all, thought I give this irc a shot. Yes, I'm Patrick | 10:10 |
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| n4nd0 | ppletscher: have many students contacted you already? | 10:10 |
| blackburn | ppletscher: nice to see you here! | 10:11 |
| ppletscher | no, I didn't get any emails yet | 10:11 |
| blackburn | ppletscher: I am sorry to say but you may receive quite a few so be ready ;) | 10:11 |
| ppletscher | alright, looking forward to the applications | 10:11 |
| n4nd0 | ppletscher: aham! Ok, I had planned to do some preliminary work in the project to support my application so I will probably write to you soon | 10:12 |
| ppletscher | n4nd0: sure, just shoot me an email | 10:13 |
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| sonne|work | ppletscher: lucky you ;) | 10:20 |
| ahcorde | Hello, I'm Alex, I'm studying a Master of Computer Vision. Few months ago I forked the repository on github because I used this library to develop some of my pattern recognition practices. I would like to start to help in this library. I visit in github project page the issues and I'm try to patch the problem with json serialization. I don't know if someone can tell me which is the best way to start to develop in Shogun. | 10:21 |
| blackburn | ahcorde: the best way is to find something you can fix/improve | 10:21 |
| blackburn | and do that :) | 10:21 |
| n4nd0 | ahcorde is also one of my dearest friends from uni :) | 10:22 |
| blackburn | I am sure we have a great room for improvement so it should not be a problem | 10:22 |
| blackburn | n4nd0: nice | 10:23 |
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| n4nd0 | ahcorde: have you taken a look to sth related to this json serialization problem? The github issue is not very descriptive indeed :D | 10:24 |
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| ahcorde | I have tried to debug json serialization example | 11:08 |
| sonne|work | ahcorde: and? | 11:08 |
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| sonne|work | ahcorde: it is totally unclear why it stopped ... | 11:08 |
| sonne|work | working | 11:11 |
| sonne|work | ahcorde: in worst case you have to go back to shogun 1.0 and do a git bisect to figure out where it broke | 11:12 |
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| deerishi | i would like to contibute to Blind Source Separation (BSS) and Independent Component Analysis (ICA) in the shogun ml toolkit.i know Machine Learning,Natural language processing and Signal processing.how do i start?any suggestions? | 11:35 |
| -!- heiko [~heiko@nat-172-93.internal.eduroam.ucl.ac.uk] has joined #shogun | 11:35 | |
| blackburn | heiko: heiko heiko | 11:36 |
| heiko | hi blackburn :) | 11:37 |
| heiko | how is it going? | 11:37 |
| blackburn | heiko: we didn't find the genius you need yet ;) | 11:37 |
| heiko | blackburn: what do you mean? | 11:37 |
| blackburn | deerishi: as usual - start contributing and learning more on the task | 11:37 |
| heiko | just read the happy news! :) | 11:37 |
| blackburn | heiko: I am still joking about your idea | 11:37 |
| blackburn | ;) | 11:37 |
| blackburn | heiko: well if you didn't read the mail you could notice the # of people here | 11:38 |
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| heiko | blackburn: yes I noticed | 11:43 |
| heiko | they are all up for the visualisation task | 11:43 |
| heiko | this is good! | 11:43 |
| heiko | blackburn: well we have lambday right? | 11:43 |
| blackburn | heiko: haha | 11:43 |
| heiko | I haven't been here recently but he seemed quite comitted | 11:44 |
| blackburn | heiko: oh well we have 1.5 months or so | 11:44 |
| heiko | and actually the first person who solved an intro task | 11:44 |
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| heiko | blackburn: yes, so thats fine | 11:44 |
| heiko | blackburn, sonne|work we should update the chat log for gsoc | 11:44 |
| heiko | and maybe put a little link on the mainpage of the website | 11:45 |
| blackburn | heiko: how? | 11:45 |
| blackburn | heiko: what is wrong? | 11:45 |
| heiko | mention gsoc | 11:45 |
| heiko | its only on the events page | 11:45 |
| n4nd0 | heiko: it is on the main page as well | 11:45 |
| heiko | n4nd0: not here | 11:46 |
| n4nd0 | ah BTW, I wrote yesterday a couple of tweets in ShogunToolbox, so please retweet them | 11:46 |
| heiko | n4nd0: I dont use twitter apart from shogun :) | 11:46 |
| sonne|work | heiko: what? | 11:46 |
| heiko | but thanks for doing it | 11:46 |
| heiko | so I dont see gsoc on the mainpage, I have to click on news | 11:46 |
| n4nd0 | heiko: check in the middle http://shogun-toolbox.org/ | 11:46 |
| heiko | oh | 11:46 |
| heiko | ha | 11:46 |
| heiko | blind! | 11:46 |
| heiko | :) | 11:46 |
| n4nd0 | heiko: :) | 11:47 |
| sonne|work | heiko: but you did see the workshop did you? | 11:47 |
| n4nd0 | sonne|work: I wrote in my blog about gsoc too | 11:47 |
| heiko | sonne|work: yes, thats what distracted me :) | 11:47 |
| sonne|work | n4nd0: very good! | 11:47 |
| n4nd0 | sonne|work: in case you want to reblog or sth | 11:47 |
| sonne|work | heiko: IDK how many students did contact you but I am swamped | 11:47 |
| n4nd0 | sonne|work: haha all of them for demos? | 11:48 |
| blackburn | sonne|work: demoooos more demoos | 11:48 |
| heiko | sonne|work, not a single one so far :) | 11:48 |
| heiko | we can have two demo projects | 11:48 |
| n4nd0 | or 8 | 11:48 |
| heiko | one for this internet stuff | 11:48 |
| sonne|work | large scale | 11:48 |
| n4nd0 | :D | 11:48 |
| sonne|work | demos, file IO | 11:48 |
| heiko | and one only for cool visualisations | 11:48 |
| blackburn | I didn't receive any email on dim reduction | 11:48 |
| sonne|work | maybe due to the natural up -> down reading | 11:48 |
| n4nd0 | blackburn: I will mail you to cheer you up if you want :P | 11:49 |
| blackburn | hahah | 11:49 |
| n4nd0 | haha that would be pretty lame, if we actually just get applications for the proposals on top because people don't read all | 11:49 |
| blackburn | n4nd0: no we end up with a lot of applications | 11:49 |
| heiko | blackburn, sonne|work just received the first mail :_) | 11:55 |
| heiko | oh | 11:55 |
| heiko | its from lambday :) | 11:55 |
| blackburn | hah | 11:55 |
| blackburn | heiko: I am totally alone *crying* | 11:55 |
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| blackburn | heiko: okay actually I received CCs for andreas' and cheng's ideas | 11:56 |
| heiko | blackburn: you will be fine! | 11:57 |
| sonne|work | blackburn: so you have more time doing the admin job! | 11:57 |
| blackburn | sonne|work: heiko: BSS is quite popular | 11:57 |
| heiko | blackburn: btw last week I heard a talk on kernel ECA | 11:57 |
| heiko | do you know that? | 11:57 |
| heiko | sounded cool | 11:57 |
| blackburn | heiko: no, what is it? | 11:57 |
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| sonne|work | blackburn: I know... | 11:57 |
| blackburn | entropy component analysis? | 11:57 |
| heiko | Entropy component analysis | 11:57 |
| heiko | yes | 11:57 |
| sonne|work | heiko: kernel ECA? | 11:57 |
| heiko | instead of taking the eigenvectors with most signal in the RKHS | 11:57 |
| heiko | you take those that maximise the entropy in the *input* space | 11:58 |
| heiko | with this you get quite different results | 11:58 |
| heiko | sonne|work: yes | 11:58 |
| blackburn | heiko: do you have any good reference? | 11:58 |
| sonne|work | heiko: hmmhh so it finds you the most relevant input dims wrt the kernel used? | 11:59 |
| heiko | sonne|work: kernel acts as a smoothing operator on the distribution in the input space, Ill search a reference | 11:59 |
| heiko | they define some entropy using the kernel | 11:59 |
| heiko | so there is the connection | 12:00 |
| heiko | http://ansatte.uit.no/rje001/PDF/04912217(2).pdf | 12:00 |
| blackburn | heiko: I am a bit lost | 12:01 |
| blackburn | they speak about RKHS and parzen window | 12:01 |
| heiko | blackburn: there might be more papers on this on Robert Jenssens website | 12:02 |
| heiko | this is the first I guess | 12:03 |
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| blackburn | I am curious if it would be an entrance task :D | 12:03 |
| blackburn | probably it is not | 12:03 |
| heiko | blackburn: nono | 12:03 |
| heiko | blackburn: well | 12:03 |
| heiko | in fact | 12:03 |
| heiko | the computation is easy | 12:03 |
| heiko | just a norm changes compared to kernel pca | 12:04 |
| heiko | you might want to check this out | 12:04 |
| heiko | might be an entrance task | 12:04 |
| heiko | the algo he showed was very similar to pca | 12:04 |
| blackburn | heiko: I have everything to compute largest eigenvalues/vectors | 12:04 |
| heiko | you dont use the largest eigenvalues | 12:04 |
| heiko | but I dont know all details | 12:04 |
| heiko | you are the expert on this field :) | 12:04 |
| blackburn | heiko: which eigenvalues I would need? | 12:04 |
| heiko | they might be further down the line | 12:05 |
| heiko | like 1-3-29 | 12:05 |
| blackburn | uh | 12:05 |
| blackburn | full eigendecomposition? | 12:05 |
| heiko | blackburn: check the paper! I dont know :) | 12:05 |
| heiko | this it what it boils down to | 12:05 |
| blackburn | yeah checking | 12:05 |
| heiko | I dont know how they compute | 12:05 |
| blackburn | heiko: yes full | 12:06 |
| blackburn | I don't like that! | 12:06 |
| blackburn | :D | 12:06 |
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| blackburn | heiko: I hate spectral methods I have to admit | 12:09 |
| heiko | blackburn: haha | 12:09 |
| heiko | nice! | 12:09 |
| blackburn | heiko: especially ill-posed | 12:09 |
| blackburn | like in LLE and Laplacian Eigenmaps | 12:09 |
| heiko | hate is such a strong word blackburn :) | 12:09 |
| blackburn | they need fine tuning | 12:09 |
| blackburn | heiko: w/o regularization LLE is not solvable at all | 12:10 |
| blackburn | so it makes more degrees of freedom | 12:10 |
| sonne|work | heiko: urgs I know Robert | 12:10 |
| heiko | sonne|work: how come? | 12:11 |
| sonne|work | he was at TU and we have some paper together | 12:11 |
| heiko | oh yes | 12:11 |
| blackburn | ha | 12:11 |
| heiko | he mentioned the TU and KR M?ller | 12:11 |
| blackburn | I propose to implement techniques for dimensionality reduction and metric learning which are currently missing in scikit-learn. | 12:13 |
| blackburn | http://homepage.tudelft.nl/19j49/Matlab_Toolbox_for_Dimensionality_Reduction.html | 12:13 |
| blackburn | There are also many kernel functions which have not been implemented. | 12:13 |
| blackburn | http://crsouza.blogspot.in/2010/03/kernel-functions-for-machine-learning.html | 12:13 |
| blackburn | heiko: sonne|work: ^ from the scikits mailing list | 12:13 |
| blackburn | LOL | 12:13 |
| sonne|work | blackburn: so he implements this in scikits I guess right? | 12:15 |
| sonne|work | I guess a one-linear each in python | 12:15 |
| blackburn | sonne|work: yeah proposes to - things repeat | 12:15 |
| blackburn | let me state the law of machine learning toolboxes development | 12:16 |
| blackburn | 'every toolbox gets to the http://crsouza.blogspot.in/2010/03/kernel-functions-for-machine-learning.html page some day' | 12:16 |
| blackburn | hahahah | 12:17 |
| blackburn | heiko: dailymail wrote about city I live | 12:18 |
| blackburn | http://www.dailymail.co.uk/news/article-2306085/Samara-The-Russian-city-eaten-alive-giant-sinkholes.html | 12:18 |
| n4nd0 | blackburn: wtf :D | 12:18 |
| n4nd0 | blackburn: have you seen that around? | 12:19 |
| heiko | man | 12:19 |
| heiko | these Russians :) | 12:19 |
| blackburn | n4nd0: no didn't manage to see these things for real | 12:19 |
| blackburn | I have seen similar things but these are nice | 12:19 |
| n4nd0 | heiko: they are unbelievable :) | 12:19 |
| heiko | n4nd0: yeah | 12:20 |
| heiko | haha | 12:20 |
| blackburn | heiko: n4nd0: there is an explanation why these thing happen | 12:20 |
| n4nd0 | blackburn: and that is? | 12:20 |
| blackburn | n4nd0: old pipes | 12:20 |
| blackburn | waterpipes I mean | 12:21 |
| n4nd0 | do they just disappear? | 12:21 |
| blackburn | n4nd0: you know what happens to metal with time :) | 12:21 |
| n4nd0 | blackburn: it gets better | 12:22 |
| n4nd0 | like iron maiden | 12:23 |
| blackburn | hahhah | 12:23 |
| blackburn | n4nd0: good | 12:23 |
| blackburn | n4nd0: anyway infrastructure have not got updated since like 80s | 12:24 |
| n4nd0 | I see | 12:24 |
| n4nd0 | I guess it must get worse there with time providing hard weather | 12:25 |
| blackburn | n4nd0: at least I don't have snow now :D | 12:30 |
| blackburn | sonne|work said he had recently | 12:30 |
| n4nd0 | blackburn: wow, we still have | 12:30 |
| n4nd0 | it has been sunny every day for almost two months now | 12:30 |
| n4nd0 | well, one and a half | 12:31 |
| blackburn | n4nd0: everything is wet and dirty now | 12:31 |
| blackburn | (here) | 12:31 |
| n4nd0 | still snow though | 12:31 |
| n4nd0 | yeah, that's the disgusting part of the snow, when it ends | 12:31 |
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| heiko | blackburn: | 12:36 |
| heiko | can you help me a bit on setting up the new dev structure here? | 12:36 |
| blackburn | yes | 12:36 |
| blackburn | heiko: what's up? | 12:37 |
| heiko | just got some time, will follow your email and then probably ask you questions :) | 12:37 |
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| heiko | blackburn: so first qestion | 12:39 |
| heiko | upon running git flow init | 12:40 |
| heiko | you say I should select the development branch for next release | 12:40 |
| blackburn | yes | 12:40 |
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| heiko | but this thing only offers my local branches | 12:40 |
| blackburn | wait | 12:40 |
| blackburn | do you have 'dev' branch? | 12:40 |
| heiko | no | 12:40 |
| heiko | I just did git pull --rebase upstream master | 12:41 |
| blackburn | and do you have develop branch? | 12:41 |
| heiko | no | 12:41 |
| blackburn | git pull upstream develop | 12:41 |
| heiko | ah I see, I was in master branch right? | 12:41 |
| blackburn | you downloaded only master branch | 12:42 |
| heiko | oh | 12:42 |
| heiko | well did not change anything | 12:42 |
| blackburn | now it should fetch develop | 12:42 |
| heiko | nop | 12:42 |
| blackburn | heiko: hmm why? | 12:43 |
| blackburn | :) | 12:43 |
| heiko | git pull upstream develop | 12:44 |
| heiko | git flow init | 12:44 |
| heiko | but the branch is not there | 12:44 |
| heiko | heiko@heiko-ThinkPad-T420:~/Desktop/shogun/shogun$ git branch | 12:45 |
| heiko | backup | 12:45 |
| heiko | backup2 | 12:45 |
| heiko | bugsprint | 12:45 |
| heiko | gpc | 12:45 |
| heiko | * master | 12:45 |
| blackburn | heiko: hmm let me check | 12:46 |
| blackburn | heiko: when I did the same on my outdated copy it fetched develop branch | 12:46 |
| blackburn | heiko: is it your fork? | 12:46 |
| heiko | yes my fork | 12:46 |
| heiko | should I reset everything maybe? | 12:47 |
| blackburn | heiko: no | 12:49 |
| blackburn | heiko: what happens when you git fetch upstream develop? | 12:49 |
| heiko | nothin | 12:51 |
| heiko | heiko@heiko-ThinkPad-T420:~/Desktop/shogun/shogun$ git fetch upstream develop | 12:52 |
| heiko | From https://github.com/shogun-toolbox/shogun | 12:52 |
| heiko | * branch develop -> FETCH_HEAD | 12:52 |
| heiko | heiko@heiko-ThinkPad-T420:~/Desktop/shogun/shogun$ git branch | 12:52 |
| heiko | backup | 12:52 |
| heiko | backup2 | 12:52 |
| heiko | bugsprint | 12:52 |
| heiko | gpc | 12:52 |
| heiko | * master | 12:52 |
| blackburn | heiko: git checkout develop? | 12:54 |
| heiko | heiko@heiko-ThinkPad-T420:~/Desktop/shogun/shogun$ git checkout develop | 12:54 |
| heiko | error: pathspec 'develop' did not match any file(s) known to git. | 12:54 |
| blackburn | heiko: aham | 12:55 |
| blackburn | that's an interesting case we need to resolve and *remember* how to resolve | 12:55 |
| blackburn | heiko: because you are working on fork we need to copy that branch somehow | 12:57 |
| heiko | ok | 12:57 |
| heiko | so fork again? | 12:57 |
| blackburn | heiko: git checkout --track upstream/develop | 12:57 |
| heiko | git checkout --track upstream/develop | 12:57 |
| heiko | fatal: git checkout: updating paths is incompatible with switching branches. | 12:57 |
| heiko | Did you intend to checkout 'upstream/develop' which can not be resolved as commit? | 12:57 |
| blackburn | argh | 12:58 |
| blackburn | heiko: give me a few minutes I'll try to do that locally | 12:58 |
| heiko | blackburn: I think Ill just re-fork and re-checkout | 12:58 |
| heiko | that usually solves my problems with git | 12:58 |
| heiko | and I usually get mad at it after 10 minutes of trying :D | 12:59 |
| blackburn | heiko: that's not the proper way | 12:59 |
| blackburn | heiko: oh I see you are an admin too! | 13:00 |
| blackburn | :) | 13:00 |
| blackburn | heiko: what do you think about that modelselection thing as gsoc idea? | 13:00 |
| heiko | which one? | 13:00 |
| blackburn | heiko: https://github.com/shogun-toolbox/shogun/issues/959 | 13:02 |
| blackburn | heiko: kernel["width"].asLinearRange().from(0.1).to(10.0); | 13:03 |
| heiko | blackburn: I like that | 13:04 |
| heiko | so if we can cover all the cases (and you seemed confident in that) lets do it! | 13:04 |
| heiko | ah | 13:04 |
| heiko | as gsoc you mean? | 13:04 |
| blackburn | heiko: yes | 13:04 |
| heiko | would be an easy one right? | 13:04 |
| blackburn | no it is not the only idea | 13:04 |
| heiko | or not easy but small | 13:04 |
| heiko | what are the others? | 13:04 |
| blackburn | heiko: oh more on similar syntax | 13:05 |
| blackburn | heiko: features.feature(0).disable() | 13:05 |
| heiko | I see | 13:05 |
| heiko | would you mentor that? | 13:05 |
| blackburn | yes | 13:05 |
| heiko | or if not who would? | 13:05 |
| heiko | isnt that all a bit too much? | 13:05 |
| blackburn | a bit too much of? | 13:05 |
| heiko | work | 13:06 |
| heiko | for you I mean | 13:06 |
| heiko | I really like the idea btw | 13:06 |
| blackburn | heiko: ah, don't know | 13:06 |
| heiko | there are many things we can do for modelselection | 13:06 |
| heiko | sonne|work also mentioned this subsampling approach | 13:06 |
| heiko | to reduce costs of grid-search | 13:06 |
| heiko | and also there is the thing to combine C1 C2 | 13:06 |
| blackburn | heiko: I hope I manage to carry this | 13:07 |
| blackburn | :) | 13:07 |
| heiko | blackburn: is there any buffer? for unforeseen things? | 13:07 |
| blackburn | heiko: buffer like? | 13:07 |
| blackburn | heiko: I will be mentoring only two ideas for real | 13:08 |
| blackburn | so should work | 13:08 |
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| heiko | time buffer | 13:09 |
| gsomix | hello | 13:09 |
| heiko | blackburn: well - then | 13:09 |
| heiko | go for it! | 13:09 |
| heiko | :) | 13:09 |
| heiko | gsomix: hi! | 13:09 |
| n4nd0 | what's up gsomix | 13:13 |
| n4nd0 | how are you doing | 13:13 |
| gsomix | n4nd0: fine, I am in the process of selecting a project idea | 13:16 |
| n4nd0 | gsomix: nice, which ones do you fancy? | 13:17 |
| gsomix | n4nd0: improve dimensionality reduction module... or further improvements of interfaces. not clear in my mind | 13:20 |
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| gsomix | improve interfaces and shogun would be great, but I don't have good ideas to suggest a new project | 13:23 |
| * gsomix away | 13:23 | |
| n4nd0 | gsomix: interfaces through SWIG you mean? | 13:23 |
| gsomix | yep | 13:24 |
| n4nd0 | ahm | 13:24 |
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| n4nd0 | blackburn, sonne|work , heiko: do you guys know about metaoptimize? | 14:20 |
| n4nd0 | http://metaoptimize.com | 14:20 |
| blackburn | n4nd0: I don't know anything, why? | 14:21 |
| n4nd0 | blackburn: check it out, I think it is a nice thing | 14:21 |
| blackburn | n4nd0: you mean their QA? | 14:22 |
| blackburn | I have read it quite a few times | 14:22 |
| sonne|work | blackburn: didn't you mention that once? | 14:22 |
| n4nd0 | blackburn: oh yes I meant the QA forum hehe | 14:22 |
| blackburn | sonne|work: I don't know anything on the company but QA is nice yes | 14:22 |
| sonne|work | blackburn: that thing http://www.osqa.net/ ? | 14:23 |
| blackburn | sonne|work: http://metaoptimize.com/qa/ | 14:24 |
| sonne|work | blackburn: which is that link I posted | 14:25 |
| blackburn | sonne|work: ah yes, true | 14:26 |
| sonne|work | so we could just install it if we wanted that | 14:29 |
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| blackburn | sonne|work: I do not know if it makes sense | 14:31 |
| n4nd0 | blackburn: I remember you said once something in the stackoverflow style would be more useful than the mailing list ;) | 14:31 |
| blackburn | n4nd0: I still think so | 14:33 |
| sonne|work | blackburn: but? | 14:33 |
| n4nd0 | blackburn: when why wouldn't it make sense to install that thingy? | 14:33 |
| n4nd0 | when -> then | 14:34 |
| blackburn | n4nd0: may be it would be better to use stackoverflow | 14:34 |
| n4nd0 | mm I see | 14:34 |
| blackburn | n4nd0: it is essential to have people | 14:35 |
| blackburn | we won't have people at standalone thing | 14:35 |
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| n4nd0 | I think thach stackoverflow might be too big and general | 14:36 |
| n4nd0 | but we could use the metaoptimize Q/A | 14:36 |
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| blackburn | n4nd0: tags | 14:37 |
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| deerishi | does anyone has Andreas Ziehe email address? | 15:04 |
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| n4nd0 | deerishi: andreas <DOT> ziehe <AT> tu-berlin <DOT> de | 15:05 |
| n4nd0 | mmm I just got it from the ideas page | 15:05 |
| n4nd0 | deerishi: did you already try with that one, or? | 15:05 |
| deerishi | n4nd0: thanks. i havent tried that. | 15:08 |
| n4nd0 | deerishi: ok, you are welcome. | 15:08 |
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| @sonney2k | I guess I made a big mistake :/ | 17:11 |
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| blackburn | sonney2k: what is the mistake? | 18:24 |
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| n4nd0 | what mistake sonney2k ? | 19:11 |
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| @sonney2k | blackburn, n4nd0 I accepted to be a reviewer | 19:38 |
| @sonney2k | for a couple of conferences | 19:38 |
| n4nd0 | sonney2k: lot to read/do for it? | 19:38 |
| @sonney2k | yeah | 19:38 |
| @sonney2k | tough stuff | 19:38 |
| @sonney2k | usually | 19:38 |
| n4nd0 | what are the conferences? | 19:38 |
| @sonney2k | nips and some big data thing | 19:38 |
| n4nd0 | wow you are truly a big fish :) | 19:39 |
| n4nd0 | out of curiosity, how does it work to be a reviewer? I mean it in the sense if it is like a normal job or get anything in exchange for the work | 19:40 |
| @sonney2k | you do it for free | 19:40 |
| n4nd0 | aham! for research's sake | 19:40 |
| @sonney2k | n4nd0, I used to review for basically every ML conference/journal | 19:40 |
| n4nd0 | nice | 19:41 |
| heiko | sonney2k: do you know how they select people? just got an invitation for nips reviewing and am wondering why that happened. Anything else than being an author? | 19:41 |
| n4nd0 | this is full of big fishes | 19:42 |
| heiko | n4nd0: no not me ;) | 19:42 |
| heiko | I declined, no idea how to do this | 19:42 |
| n4nd0 | sonney2k: you should go back to research, the world needs you | 19:42 |
| heiko | n4nd0: haha :) | 19:42 |
| n4nd0 | heiko: c'mon nips is a big thing in the ML world (I think) | 19:43 |
| n4nd0 | so you are big fish too ;) | 19:43 |
| @sonney2k | heiko, it is a lot of work for nips | 19:43 |
| @sonney2k | n4nd0, I am no longer a real researcher | 19:43 |
| heiko | I even struggle to understand the papers I am interested in, so I will wait a bit more before I intend to do this | 19:43 |
| @sonney2k | I mean industry research is totally different from academia | 19:43 |
| heiko | sonney2k: I heard this, but probably also interesting | 19:43 |
| @sonney2k | heiko, that will always be the case | 19:44 |
| heiko | sonney2k: btw why did you change frontiers? | 19:44 |
| n4nd0 | sonney2k: yeah, I thought that. That's we need you to come back :) | 19:44 |
| @sonney2k | heiko, family | 19:44 |
| n4nd0 | That's why* | 19:44 |
| heiko | sonney2k: so more regular working times you mean? | 19:44 |
| @sonney2k | heiko, a permanent job / income - that's it | 19:44 |
| @sonney2k | no 1-2-3 year contracts | 19:44 |
| @sonney2k | and then the risky proposal business | 19:45 |
| heiko | sonney2k: yeh, I can understand that! | 19:45 |
| n4nd0 | let's move all to Stockholm, I have the feeling the professors here have very good lives | 19:45 |
| heiko | being a professor should be fine almost everywhere | 19:46 |
| @sonney2k | heiko, no it is tough too | 19:47 |
| heiko | sonney2k: but in terms of contract/income? | 19:47 |
| @sonney2k | then you even have people whose live depend on you | 19:48 |
| @sonney2k | and you need to write proposals to keep them | 19:48 |
| @sonney2k | so risk for yourself is low but you are responsible for others - if you screw up many will suffer | 19:48 |
| n4nd0 | c'mon there must some nice parts being professor as well! | 19:49 |
| @sonney2k | n4nd0, sure there is | 19:50 |
| @sonney2k | you can do whatever you want | 19:50 |
| @sonney2k | you can do research | 19:50 |
| @sonney2k | if you have cool ideas you can get people doing these for you | 19:51 |
| @sonney2k | etc | 19:51 |
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| @sonney2k | permanent job blabla | 19:51 |
| n4nd0 | sonney2k: how long were you in research after you got your Ph.D.? | 19:51 |
| @sonney2k | it took a while until I got my phd | 19:51 |
| n4nd0 | aham | 19:52 |
| @sonney2k | I did ML research in academia from 1999 to 2011 IIRC | 19:52 |
| @sonney2k | so yes I know a lot of people 'bigshots' and they know me :) | 19:52 |
| @sonney2k | I hardly remember when I did my phd was it 2007 or 9? | 19:53 |
| @sonney2k | lost | 19:53 |
| n4nd0 | no, I was thinking more that I think you have done lot of stuff for "not so many" years in research | 19:53 |
| n4nd0 | but maybe I am wrong, I have not really compared in depth | 19:53 |
| @sonney2k | phd end of 2008 :) | 19:54 |
| n4nd0 | I started uni back in 2008 I think :) | 19:55 |
| @sonney2k | I really started in 2004 (2002 I did my master, then 2 years sys admin) | 19:55 |
| n4nd0 | sonney2k: how does it work when something big as your large-scale MKL paper happens? | 19:58 |
| n4nd0 | is it like a happy idea one suddenly comes up with? :) | 19:58 |
| @sonney2k | n4nd0, yes | 20:00 |
| @sonney2k | and the right people | 20:00 |
| @sonney2k | you need to have a problem you want to solve, someone with the skills and then someone doing guidance and sb doing the work... | 20:01 |
| n4nd0 | I see | 20:02 |
| blackburn | sonney2k: nah just write 'crap' on all these papers and that's it | 20:15 |
| blackburn | that's what I do when I review IEEE | 20:16 |
| n4nd0 | wtf I am the only here who doesn't review anything? | 20:17 |
| blackburn | n4nd0: that's joke nobody would ever put me to review IEEE | 20:17 |
| blackburn | :D | 20:17 |
| @sonney2k | blackburn, that is what I intend to do ;) | 20:18 |
| blackburn | beat my streak on github, 34 days! | 20:19 |
| n4nd0 | you are the boss | 20:20 |
| blackburn | http://www.youtube.com/watch?feature=player_detailpage&v=NisCkxU544c | 20:21 |
| blackburn | promote synergy! | 20:21 |
| blackburn | cry deeply! | 20:21 |
| n4nd0 | haha | 20:22 |
| @sonney2k | blackburn, does that https://www.youtube.com/watch?feature=player_embedded&v=YrelKDutTyQ remind you of sth? | 20:33 |
| blackburn | sonney2k: yes serialization and my code | 20:34 |
| n4nd0 | haha | 20:35 |
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| n4nd0 | I like your code metaphores | 20:35 |
| n4nd0 | metaphors* | 20:35 |
| blackburn | one more line and kaboom | 20:35 |
| n4nd0 | http://www.youtube.com/watch?v=6_50J5-3NAY | 20:36 |
| blackburn | n4nd0: lada! | 20:38 |
| blackburn | n4nd0: that's serialization code for sure | 20:38 |
| @sonney2k | blackburn, exactly | 20:39 |
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| medeeiip | I's going through the source,From curiosity i'm asking: i've found SG_MALLOC() wraper macro is used to call sg_generic_malloc<>(). Does this thing somehow resolves the problem with c++ template in SWIG?? | 20:58 |
| blackburn | medeeiip: what kind of problem? | 20:59 |
| medeeiip | I dont know much about SWIG. From basic I think I've to use template traits to support SWIG | 21:00 |
| blackburn | medeeiip: we do not use any traits for swig | 21:01 |
| medeeiip | blackburn: Ok! can you tall me a couple of words about how SWIG interface is implemented for template classes e.g. SGMat | 21:03 |
| blackburn | medeeiip: it is specialized | 21:03 |
| blackburn | SGMatrix<int32_t>, ... etc | 21:03 |
| blackburn | are renamed to IntMatrix | 21:04 |
| @sonney2k | medeeiip, each become a new type in e.g. python | 21:04 |
| blackburn | LongMatrix | 21:04 |
| blackburn | and so on | 21:04 |
| medeeiip | Ok! but about the previous question why SG_MALLOC() macro? we could have used opencv type initialisation... Is there anything special? | 21:08 |
| @sonney2k | medeeiip, how do the opencv guys do it? | 21:08 |
| medeeiip | they use enum {}; CV_<bit-depth>{U|S|F}C<number_of_channels> format for initialising a Mat | 21:11 |
| medeeiip | http://opencv.willowgarage.com/documentation/cpp/core_basic_structures.html | 21:11 |
| @sonney2k | interesting | 21:15 |
| @sonney2k | medeeiip, we use the SG_MALLOC macro mainly to use malloc / free / realloc and so we are able to directly use memory ptrs from other languages | 21:16 |
| @sonney2k | as occur in python etc | 21:16 |
| medeeiip | is the macro is extremely necessery? From my coleg level programming exp. I think direct template based approach will be a better approach. Does it not reduces managability...... I mean hard time in debuging? | 21:23 |
| n4nd0 | medeeiip: well in the case of SGMatrix and SGVector (SGReferencedData in general) this is managed internally | 21:27 |
| n4nd0 | medeeiip: so one does not need to worry about it when using them | 21:27 |
| n4nd0 | medeeiip: in any case I am not sure how using templated can make the use of the SG_MALLOC macro not necessary. I think they address different issues | 21:29 |
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| medeeiip | i think the issue is when creating allocating memory i mean when calling sg_generic_malloc<>() how the matrixtype template agrument will be determined, as we are not passing <int32_t> thing (from which the matrix type can be determined) [casual think] | 21:34 |
| medeeiip | as we are passing only len (argument to sg_generic_malloc()) | 21:35 |
| blackburn | medeeiip: SG_MALLOC is the same as sg_generic_malloc with specified type | 21:36 |
| blackburn | just shorter | 21:37 |
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| --- Log closed Wed Apr 10 00:00:26 2013 | ||
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