ElkinAB {ARTool}

Synthetic 2x2 Within-Subjects Experiment

Description

Synthetic data from an experiment with two within-subjects factors (A and B) having two levels each.

Format

A data frame with 32 observations on the following 4 variables.

S

a factor representing subjects with levels "s1" .. "s8"

A

a factor with levels "a1" "a2"

B

a factor with levels "b1" "b2"

Y

a numeric vector

Source

Elkin, L. A., Kay, M, Higgins, J. J., and Wobbrock, J. O. (2021). An aligned rank transform procedure for multifactor contrast tests. Proceedings of the ACM Symposium on User Interface Software and Technology (UIST '21). Virtual Event (October 10–14, 2021). New York: ACM Press, pp. 754–768. doi: 10.1145/3472749.3474784

Examples

data(ElkinAB, package = "ARTool")

## run contrast using the ART-C procedure on the data.
m <- art(Y ~ A*B + (1|S), data = ElkinAB)
art.con(m, "A:B")