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Sample dataset from a course about analysis of factorial designs

Source: R/coffee_data.R
coffee_data.Rd

A sample data set from a course about the analysis of factorial designs, by Mattan S. Ben-Shachar. See following link for more information: https://github.com/mattansb/Analysis-of-Factorial-Designs-foR-Psychologists

The data consists of five variables from 120 observations:

  • ID: A unique identifier for each participant

  • sex: The participant's sex

  • time: The time of day the participant was tested (morning, noon, or afternoon)

  • coffee: Group indicator, whether participant drank coffee or not ("coffee" or "control").

  • alertness: The participant's alertness score.

Examples

# Attach coffee-data
data(coffee_data)