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DataFrame.count(axis=0, level=None, numeric_only=False)
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Return Series with number of non-NA/null observations over requested axis. Works with non-floating point data as well (detects NaN and None)
Parameters: axis : {0 or ?index?, 1 or ?columns?}, default 0
0 or ?index? for row-wise, 1 or ?columns? for column-wise
level : int or level name, default None
If the axis is a MultiIndex (hierarchical), count along a particular level, collapsing into a DataFrame
numeric_only : boolean, default False
Include only float, int, boolean data
Returns: count : Series (or DataFrame if level specified)
DataFrame.count()
2017-01-12 04:45:41
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