Open in new window / Try shogun cloud
--- Log opened Tue May 19 00:00:31 2015
shogun-buildbotbuild #1012 of nightly_default is complete: Failure [failed notebooks]  Build details are at http://buildbot.shogun-toolbox.org/builders/nightly_default/builds/1012  blamelist: lambday <heavensdevil6909@gmail.com>, Soumyajit De <heavensdevil6909@gmail.com>03:17
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MLnerd84hi there.  is there anyone here that can answer a question about crossvalidation in shogun?22:17
MLnerd84Hello?22:19
@besser82Hey! What do you excatly need to know?22:20
@besser82*exactly22:20
MLnerd84So i'm doing CV on a simple libSVM instance using the python modular interface22:20
MLnerd84And I can perform the CV just fine, and get the result object out.22:20
@besser82allrighty, so far...  but?22:21
MLnerd84But it seems the only way I can see the result is with the print_result method.22:21
MLnerd84Is there any way to get at that number without using std out?  I'd like to be able to use that value for doing feature selection22:21
MLnerd84but if I'm constantly having to scrape std out, that's a huge pain22:21
lisitsynyou need to get like evaluation score that you've got?22:22
MLnerd84it seems like the evaluationresult object has a .mean property, but I can't acess it in the python interface22:22
MLnerd84Yes22:22
@besser82You should be able to assign the result to a Numpy array / matrix and use it from there...22:23
@besser82lemme check...22:23
MLnerd84How?22:23
MLnerd84ok22:23
lisitsynah22:23
lisitsynso you get evaluationresult22:23
lisitsynbut it should be crossvalidationresult22:23
MLnerd84Right22:23
lisitsynokie easy22:24
lisitsynCrossValidationResult.obtain_from_generic(your_result)22:24
lisitsyndo that22:24
MLnerd84ok, let me check if that works22:24
lisitsynit will return a CrossValidationResult thing from there22:24
lisitsynmean should be accessible then22:24
MLnerd84Boom.  That did it.22:26
MLnerd84Thanks22:26
@besser82lisitsyn, you've been faster...22:28
@besser82MLnerd84, I don't use Python that much...  :P22:28
MLnerd84Ha.  To each their own.22:28
lisitsynpython power22:29
MLnerd84Thank you very much for the assistance22:29
MLnerd84snakes and whitespace forever :-P22:29
lisitsynwelcome :)22:29
@besser82lisitsyn, better step ya game up on da C++  :P22:29
lisitsyncan't encode character u'\blabla'22:29
lisitsyn99% of python with unicode22:30
@besser82lisitsyn, use da wchar*22:30
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lisitsynbesser82: unicode in python is like craziest part22:30
lisitsynonce you get to russian/anything_unicode you get weird errors22:31
@besser82I heard about that, lisitsyn22:31
lisitsynbesser82: related pic http://i45.tinypic.com/znlxqb.png22:32
lisitsynbesser82: the main troubles of python programmer22:32
lisitsyntesting, writing code, design, unicode :D22:32
@besser82Then choose "???????? ?????" and don't use da "???????" in strings...  :P22:34
@besser82lisitsyn, ^22:34
lisitsynbesser82: not possible ;)22:35
@besser82lisitsyn, Y?22:35
@besser82??? can't read english?  :P22:36
lisitsynbesser82: I have millions search queries to handle and they are all in russian ;)22:36
@besser82then read the shiats as int and memcmp  :P22:37
@besser82uint16_t[]  :P22:37
@besser82lisitsyn, ^22:37
lisitsynbesser82: it is not a problem without solution to handle these strings22:38
@besser82?22:38
lisitsynbut you always get unexpected error like that you have to fix again and again22:38
lisitsynlike you forgot to encode/decode22:38
@besser82That's pretty shitty...22:39
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--- Log closed Wed May 20 00:00:33 2015