Messy Data

PSYC 641 - Spring 2025

Reminders/Updates

• Data Analytic Plan - DONE

• Next Class - Review Game Show!

• Group Work days after

• Final Reports and Presentations - Due on April 28

  • Will be sending out sign-up sheet and structure/example

Overview

• Reading Question Check-in

• Missing Data Types

• What to do with Missing Data

• Example

Missing Data Types

• Missing Completely At Random - MCAR

• Missing At Random - MAR

• Missing Not At Random - MNAR