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Cosine Similarity between 2 Number Lists
...th vectors (more of a matrix transpose, actually) just to get the data in "Pythonic" order. It would be interesting to time the nuts-and-bolts implementation:
import math
def cosine_similarity(v1,v2):
"compute cosine similarity of v1 to v2: (v1 dot v2)/{||v1||*||v2||)"
sumxx, sumxy, sumyy ...
Get column index from column name in python pandas
In R when you need to retrieve a column index based on the name of the column you could do
7 Answers
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How do I get a list of all the duplicate items using pandas in python?
I have a list of items that likely has some export issues. I would like to get a list of the duplicate items so I can manually compare them. When I try to use pandas duplicated method , it only returns the first duplicate. Is there a a way to get all of the duplicates and not just the first one?...
Python Pandas Error tokenizing data
I'm trying to use pandas to manipulate a .csv file but I get this error:
39 Answers
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Clean way to launch the web browser from shell script?
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python -mwebbrowser http://example.com
works on many platforms
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Python call function within class
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Why do we need the “finally” clause in Python?
I am not sure why we need finally in try...except...finally statements. In my opinion, this code block
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How do I list one filename per output line in Linux?
...al or to a file or pipe and adjusts accordingly.
So, if you pipe ls -a to python it should work without any special measures.
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Python, Matplotlib, subplot: How to set the axis range?
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Read and overwrite a file in Python
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