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How to convert 1 to true or 0 to false upon model fetch
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answered May 1 '13 at 6:03
Vitalii PetrychukVitalii Petrychuk
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Concatenating two one-dimensional NumPy arrays
...ust curious - what is the logic behind this?
– user391339
Jul 12 '16 at 6:08
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@user391339, what ...
How to get the anchor from the URL using jQuery?
...Craver
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Why does ~True result in -2?
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answered Feb 19 '14 at 13:09
MarounMaroun
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Pandas get topmost n records within each group
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edited Nov 19 '13 at 11:01
answered Nov 19 '13 at 10:46
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How to form tuple column from two columns in Pandas
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answered Apr 17 '13 at 19:24
Dale JungDale Jung
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How can I map True/False to 1/0 in a Pandas DataFrame?
...h!
– Homunculus Reticulli
Apr 14 at 13:49
@DustByte Couldn't you just use astype(float) and get the same result?
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Map Tiling Algorithm
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edited Jan 22 '13 at 8:54
answered Jan 22 '13 at 8:44
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How can I obtain the element-wise logical NOT of a pandas Series?
...2 True
3 False
dtype: bool
Using Python2.7, NumPy 1.8.0, Pandas 0.13.1:
In [119]: s = pd.Series([True, True, False, True]*10000)
In [10]: %timeit np.invert(s)
10000 loops, best of 3: 91.8 µs per loop
In [11]: %timeit ~s
10000 loops, best of 3: 73.5 µs per loop
In [12]: %timeit (-s)
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Find the max of two or more columns with pandas
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cs95cs95
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