Are for-loops in pandas really bad? When should I care?

This video explains
Are for-loops in pandas really bad? When should I care?

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Track title: CC D Schuberts Piano Sonata D 850 in D

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Chapters
00:00 Question
01:30 Accepted answer (Score 218)
18:60 Answer 2 (Score 4)
19:38 Thank you

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Full question
https://stackoverflow.com/questions/5402...

Accepted answer links:
["Convention Over Configuration"]: https://en.wikipedia.org/wiki/Convention...
[Series.add]: https://github.com/pandas-dev/pandas/blo...
[Series.str.replace]: https://github.com/pandas-dev/pandas/blo...
[for]: https://docs.python.org/3/tutorial/contr...
[list comprehensions]: https://docs.python.org/3/tutorial/datas...
[Series.ne]: https://pandas.pydata.org/pandas-docs/st...
[query]: https://pandas.pydata.org/pandas-docs/st...
[perfplot]: https://github.com/nschloe/perfplot
[image]: https://i.stack.imgur.com/sbtDB.png
[collections.Counter]: https://docs.python.org/3/library/collec...
[value_counts]: https://pandas.pydata.org/pandas-docs/st...
[np.unique]: https://docs.scipy.org/doc/numpy-1.14.1/...
[image]: https://i.stack.imgur.com/2i5qT.png
[C
accelerator]: https://github.com/python/cpython/blob/v...
[cython]: https://pandas.pydata.org/pandas-docs/st...
[numba]: http://numba.pydata.org/
[image]: https://i.stack.imgur.com/nSpCH.png
[image]: https://i.stack.imgur.com/Lg2CE.png
[image]: https://i.stack.imgur.com/QrbZO.png
[map]: https://pandas.pydata.org/pandas-docs/st...
[str.get]: https://pandas.pydata.org/pandas-docs/st...
[image]: https://i.stack.imgur.com/Zzzez.png
[image]: https://i.stack.imgur.com/eJ2iB.png
[itertools.chain.from_iterable]: https://docs.python.org/3/library/iterto...
[apply]: https://pandas.pydata.org/pandas-docs/st...
[str.contains]: https://pandas.pydata.org/pandas-docs/st...
[str.extract]: https://pandas.pydata.org/pandas-docs/st...
[str.extractall]: https://pandas.pydata.org/pandas-docs/st...
[re.compile]: https://docs.python.org/3/library/re.htm...
[Is it worth using Python's re.compile?]: https://stackoverflow.com/questions/4521...
[image]: https://i.stack.imgur.com/XmXyX.png
[Fast punctuation removal with pandas]: https://stackoverflow.com/questions/5044...
[String concatenation of two pandas columns]: https://stackoverflow.com/questions/1185...
[Remove unwanted parts from strings in a column]: https://stackoverflow.com/questions/1368...
[Replace all but the last occurrence of a character in a dataframe]: https://stackoverflow.com/a/47813144/490...
[Create new column with incremental values in a faster and efficient way - Answer by Divakar]: https://stackoverflow.com/a/49471005/490...
[Fast punctuation removal with pandas - Answer by Paul Panzer]: https://stackoverflow.com/a/50518852/490...

Answer 2 links:
[image]: https://i.stack.imgur.com/cNqSg.png

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Tags
#python #pandas #iteration #vectorization #listcomprehension