In sklearn.metrics.f1_score, the f1 score has a parameter called “average”. What does macro, micro, weighted, and samples mean? Please elaborate, because in the documentation, it was not explained properly. Or simply answer the following: Why is “samples” best parameter for multilabel classification? Why is micro best for an imbalanced dataset? what’s the difference between weighted and macro? Answer The question
PyOpenGL – Minimal glDrawArrays Example
I’ve seen many minimal PyOpenGL examples, but none of the ones I’ve found make use of VAOs or glDrawArrays / glDrawElements. Instead they all use glVertex, glut shapes, and occasionally the old glCallList function. I’m now trying to write a minimal working example that uses vertex arrays and buffers for vertex data. If I understand PyOpenGL correctly, the following code
Python produces: OSError: [WinError 193] %1 is not a valid Win32 application, but only with activate_this.py
This is presumably the same as Python produces: OSError: [WinError 193] %1 is not a valid Win32 application However, that has no answers, and I have additional details for my situation. Background: I’m using a venv, it gets activated internally with activate_this.py via: This worked on python2 at least… when I import numpy I get: If I activate the venv
Does loc/iloc return a reference or a copy?
I am experiencing some problems while using .loc / .iloc as part of a loop. This is a simplified version of my code: basically: I initialize a dataframe with index and columns I populate each row of the dataframe with a for loop I find the index “i_max” finding the maximum value in column ‘A’ I save the row of
How downsample work in ResNet in pytorch code?
In this pytorch ResNet code example they define downsample as variable in line 44. and line 58 use it as function. How this downsample work here as CNN point of view and as python Code point of view. code example : pytorch ResNet i searched for if downsample is any pytorch inbuilt function. but it is not. Answer In this
How to timeout an async test in pytest with fixture?
I am testing an async function that might get deadlocked. I tried to add a fixture to limit the function to only run for 5 seconds before raising a failure, but it hasn’t worked so far. Setup: Code: — Edit: Mikhail’s solution works fine. I can’t find a way to incorporate it into a fixture, though. Answer Convenient way to
Python PyQt5 QTreeView set row Background Colour
I am trying to set the background colour (color) for a) a whole QTreeView, and b) for specific rows in a QTreeView within Python. I have found setColor and setBackgroundColor methods, but neither seem to work for me with QTreeView nor QStandardItem. Lots of googling shows many conversations about it, but I have not been able to relate those to
What is the difference between C.UTF-8 and en_US.UTF-8 locales?
I’m migrating a Python application from an Ubuntu server with a en_US.UTF-8 locale to a new Debian server which comes with C.UTF-8 already set by default. I’m trying to understand if there could be any impact from this change. Answer In general C is for computer, en_US is for people in US who speak English (and other people who want
How to create zip64 archive using shutil.make_archive
Python code snippet which creates creates zip archive file from a folder. I am getting this error : Filesize would require ZIP64 extensions. How to create ZIP64 archive file using shutil.make_archive? Note: I cannot use zipfile.ZipFile function. Answer You must be using a Python version prior to 3.4 unfortunately after reading shutil source code on github github . it’s clearly
Why does Excel styling not work in Pandas?
I tried to apply highlight_max to columns Answer So I’m going to assume you want to apply your style change to your dataframe in python the way it is designed to be implemented and display the color modifications when you print your dataframe in console. The issue is (I’m assuming) that you are not using the IDE Jupyter Notebook(or any