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Python

How does sklearn.svm.svc’s function predict_proba() work internally?

August 15, 2022 by Magenaut

I am using sklearn.svm.svc from scikit-learn to do binary classification. I am using its predict_proba() function to get probability estimates. Can anyone tell me how predict_proba() internally calculates the probability?

Categories Python, Q&A Tags python, scikit-learn, svm Leave a comment

pandas to_datetime parsing wrong year

August 15, 2022 by Magenaut

I’m coming across something that is almost certainly a stupid mistake on my part, but I can’t seem to figure out what’s going on.

Categories Python, Q&A Tags datetime, pandas, python Leave a comment

Recursive function returning none?

August 15, 2022 by Magenaut

I wrote the following function in order to implement my own binary search

Categories Python, Q&A Tags python, recursion Leave a comment

NumPy array initialization (fill with identical values)

August 15, 2022 by Magenaut

I need to create a NumPy array of length n, each element of which is v.

Categories Python, Q&A Tags arrays, numpy, python Leave a comment

Confused about __str__ on list in Python

August 15, 2022 by Magenaut

Coming from a Java background, I understand that __str__ is something like a Python version of toString (while I do realize that Python is the older language). So, I have defined a little class along with an __str__ method as follows: class Node: def __init__(self, id): self.id = id self.neighbours = [] self.distance = 0 … Read more

Categories Python, Q&A Tags list, printing, python, string, tostring Leave a comment

How to create collapsible box in PyQt

August 15, 2022 by Magenaut

I am using PyQt4, and I am trying to create a collapsible box where it will contains a couple of child widgets where the child widgets are already created and layout using a QVboxLayout

Categories Python, Q&A Tags pyqt, pyqt4, python Leave a comment

pandas – add new column to dataframe from dictionary

August 15, 2022 by Magenaut

I would like to add a column ‘D’ to a dataframe like this: U,L 111,en 112,en 112,es 113,es 113,ja 113,zh 114,es based on the following Dictionary: d = {112: 'en', 113: 'es', 114: 'es', 111: 'en'} so that the resulting dataframe appears as: U,L,D 111,en,en 112,en,en 112,es,en 113,es,es 113,ja,es 113,zh,es 114,es,es So far I tried … Read more

Categories Python, Q&A Tags pandas, python Leave a comment

Regex, select closest match

August 15, 2022 by Magenaut

Assume the following word sequence

Categories Python, Q&A Tags python, regex Leave a comment

Pandas read csv file with float values results in weird rounding and decimal digits

August 15, 2022 by Magenaut

I have a csv file containing numerical values such as 1524.449677. There are always exactly 6 decimal places.

Categories Python, Q&A Tags csv, floating-point, pandas, python, rounding Leave a comment

Building a minimal plugin architecture in Python

August 15, 2022 by Magenaut

I have an application, written in Python, which is used by a fairly technical audience (scientists).

Categories Python, Q&A Tags architecture, plugins, python Leave a comment
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  1. michealSmith07 on Is there a way to dynamically refresh the less command?August 21, 2022

    That is a very nice post. I like this post.

  2. anonymous on Fix libwacom9 dependency issue when upgrade DebianJune 27, 2022

    saved my day!! Thanks for the help…

  3. sreedhar on Fix libwacom9 dependency issue when upgrade DebianMay 10, 2022

    Thanks its working

  4. saintnick on Fix libwacom9 dependency issue when upgrade DebianMay 10, 2022

    remove libwacom2 worked for me as well

  5. ranafoul on Fix libwacom9 dependency issue when upgrade DebianApril 22, 2022

    apt remove libwacom2 helped on kali 2022.01. gr8

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