Stream: helpdesk (published)

Topic: ✔ PosDefException: matrix is not positive definite; Chole...

view this post on Zulip QuBit (Jul 30 2021 at 17:47):

QuBit

Solution:
Do not fall for the 'Dummy Variable Trap'

Approaches (while build LogReg Model):

  1. Drop one of the groups (for one of your categorical attributes)
  2. Drop the intercept

Tip:
Question online sources if they do not account
for 'Multi-collinearity' during regression builds.

Last updated: Oct 02 2023 at 04:34 UTC