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Results tagged with python
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user 106445
Python is an interpreted, general-purpose high-level programming language whose design philosophy emphasizes code readability. Use the python tag for all Python related questions. If you believe your question may be even more specific, you can include a version specific tag such as python-3.x.
3
votes
1
answer
84
views
Creating names from URLs
print(df.head())
df['Name'] = df['URL']
print(df.head())
#set Name based on substring in URL
df.loc[df['Name'].str.contains("pandas", na=False), 'Name'] = "PANDAS"
df.loc[df['Name'].str.contains("python … |pitone", na=False), 'Name'] = "PYTHON"
print(df.head()) …
- 294
3
votes
2
answers
69
views
speeding up matrix corruption
I need to randomly erase 33% of the non-zero elements in each line of a matrix.
Side note: The end goal is to train a denoising autoencoder to remove this noise.
My solution:
import numpy as np
matri …
- 294
2
votes
1
answer
54
views
find max value in islands defined by other vector
I have a vector of values vals, a same-dimension vector of frequencies freqs, and a set of frequency values pins.
I need to find the max values of vals within the corresponding interval around each pi …
- 294
3
votes
2
answers
289
views
rolling quarterly mean
I want to calculate the quarterly average of a time-indexed dataframe column in a rolling fashion. The mean at any timestamp should not contain information about future timestamps.
This is a code to t …
- 294
3
votes
1
answer
65
views
List of dates with special formatting
I have a code that calls many times a function returning a list of the dates between two dates formatted as
('0001-01-01 00:01:00'),('0001-01-02 00:01:00'), ...
The current solution is:
import …
- 294