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biolab / orange3

🍊 :bar_chart: :bulb: Orange: Interactive data analysis
https://orangedatamining.com
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PCA widget fails: "list index out of range" #4795

Closed dgraselli closed 4 years ago

dgraselli commented 4 years ago

Describe the bug PCA widget fails at once

Here, provide a clear and concise description of what the bug is. When simply add PCA and connect from file dataset, fails showing a trace of python code with the las msg: ''list index out of range"

To Reproduce just add a File widget, (ie. iris) and connect to PCA

Steps to reproduce the behavior go here:

  1. Go to 'new File'
  2. Right Click on 'workspace'
  3. Scroll down to 'select File'
  4. Configure with 'iris' dataset
  5. Conect to new clean PCA widget
  6. After a seconds, fails with a trace log error msg.

Orange version: Orange version 3.23.1

Expected behavior I expect to works like in the video tutorial 09 https://www.youtube.com/watch?v=OmaAC8a52YI&list=PLmNPvQr9Tf-ZSDLwOzxpvY-HrE0yv-8Fy&index=9

Screenshots

Peek 19-05-2020 12-33

Operating system: Linux Mint 19.1 Cinnamon

Additional context Anaconda Navigator 1.9.12

PrimozGodec commented 4 years ago

Thank you for submitting the issue. It happened since one of the packages we used was changed. We are fixing it in https://github.com/biolab/orange3/pull/4768 For a meanwhile, you can manually downgrade the version of the scikit-learn package with 

conda install "scikit-learn=0.22.*" -c conda-forge

inside the environment.