Matching with R: Strategies for larger data

Josh Errickson

Last updated: 27 January, 2023

Outline

  1. Review of propensity scores and matching
  2. Separating PS and matching
  3. Introduction to optmatch
  4. Optimal and full matching
  5. Speeding up matching
  6. Final example

Review of Matching

Overlap & Balance #1

  • Overlap: Are variables observed over the same range for both groups?