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Python pandas Filtering out nan from a data selection of a column of strings
...NaN:
In [87]:
nms
Out[87]:
movie name rating
0 thg John 3
1 thg NaN 4
3 mol Graham NaN
4 lob NaN NaN
5 lob NaN NaN
[5 rows x 3 columns]
In [89]:
nms = nms.dropna(thresh=2)
In [90]:
nms[nms.name.notnull()]
Out[90]:
movie name rating
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How can I determine the type of an HTML element in JavaScript?
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Michał Perłakowski
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answered Oct 31 '08 at 17:33
pkaedingpka...
In Python, what's the difference between 'except Exception as e' and 'except Exception, e' [duplicat
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Prevent strace from abbreviating arguments?
... strace is abbreviating the arguments to execve (I see "..." after about 30 characters), preventing me from getting any useful information. How can I get the full text of each argument?
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Get all keys of an NSDictionary as an NSArray
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How to concatenate strings with padding in sqlite
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GLib compile error (ffi.h), but libffi is installed
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Scott Skiles
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answered Jul 8 '13 at 1:49
Eric Milliot-Martinez...
Assigning a variable NaN in python without numpy
...>>> import math
>>> math.isnan(nan)
True
Before Python 3.5, one could use float("nan") (case insensitive).
Note that checking to see if two things that are NaN are equal to one another will always return false. This is in part because two things that are "not a number" cannot (s...
Getting the count of unique values in a column in bash
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To see a frequency count for column two (for example):
awk -F '\t' '{print $2}' * | sort | uniq...