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Pandas: drop a level from a multi-level column index?
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321
You can use MultiIndex.droplevel:
>>> cols = pd.MultiIndex.from_tuples([("a", "b"), ("...
Rename Pandas DataFrame Index
...ut with df.rename() only the column name is renamed. Bug? I'm on version 0.12.0
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Regular expression for first and last name
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edited Feb 17 '14 at 9:57
John Smith
47855 silver badges1818 bronze badges
answered Mar 5...
Understanding dict.copy() - shallow or deep?
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1010
By "shallow copying" it means the content of the dictionary is not copied by value, but just ...
Fastest way to check if a string matches a regexp in ruby?
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104
Starting with Ruby 2.4.0, you may use RegExp#match?:
pattern.match?(string)
Regexp#match? i...
How do I compare version numbers in Python?
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10 Answers
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Simple regular expression for a decimal with a precision of 2
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17 Answers
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Numpy array dimensions
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513
It is .shape:
ndarray.shape
Tuple of array dimensions.
Thus:
>>> a.shape
(2, ...