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How do I create test and train samples from one dataframe with pandas?
...= df[~msk]
And just to see this has worked:
In [15]: len(test)
Out[15]: 21
In [16]: len(train)
Out[16]: 79
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Django DB Settings 'Improperly Configured' Error
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answered Mar 21 '13 at 19:42
Pavel AnossovPavel Anossov
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Why must wait() always be in synchronized block
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– Surya Wijaya Madjid
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Peter Mortensen
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answered Nov 2 '10 at 9:25
allaitallait
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How do I create an average from a Ruby array?
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If you're using Rails, Array#inject is overkill here. Just use #sum. E.g. arr.sum.to_f / arr.size
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Possible reasons for timeout when trying to access EC2 instance
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answered Feb 21 '13 at 14:24
ted.straussted.strauss
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How do I read the contents of a Node.js stream into a string variable?
...ffer chunks.
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How would you make a comma-separated string from a list of strings?
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answered Sep 4 '08 at 21:06
Mark BiekMark Biek
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