tidymodels / tidymodels/embed

Step idea: `step_pca_cliques()`

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feature
Dominant language
R
Stars
146
Forks
23
PR merge metrics
No merged PRs in 30d

Description

General algorithm:

  • run correlation on whole data set
  • find cliques or near cliques
  • apply PCA on each clique

ref: https://www.newsletter.quantreo.com/p/the-pca-trick-i-use-all-the-time

Contributor guide

Open the contributing guide

First steps

  1. Read the whole issue, then the project's contributing guide.
  2. Comment on the issue to say you are picking it up — it saves two people doing the same work.
  3. Fork the repository and make your change on a branch.
  4. Open a pull request that references the issue number.

Research direction

Start with the proposed step_pca_cliques() entry point and read the linked PCA trick reference. Work through the stated sequence—correlation on the whole data set, finding cliques or near cliques, and applying PCA to each clique—and establish the expected behavior before implementation.

Written by the indexing model from the issue text.

Assessment

Tech stack
r
Domain
machine-learning
Issue type
Feature
Difficulty
5/5
Estimated time
Over a week
Activity status
Stale
Clarity
Needs clarification
Newbie friendliness
30/100

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