summary.art {ARTool} R Documentation

## Aligned Rank Transform Summary

### Description

Summary and diagnostics for aligned rank transformed data

### Usage

## S3 method for class 'art'
summary(object, ...)


### Arguments

 object An object of class art. ... Potentially further arguments passed from other methods.

### Details

This function gives diagnostic output to help evaluate whether the ART procedure is appropriate for an analysis. It tests that column sums of aligned responses are ~0 and that F values of ANOVAs on aligned responses not of interest are ~0. For more details on these diagnostics see Wobbrock et al. (2011).

### Value

An object of class "summary.art", which usually is printed.

Matthew Kay

### References

Wobbrock, J. O., Findlater, L., Gergle, D., and Higgins, J. J. (2011). The aligned rank transform for nonparametric factorial analyses using only ANOVA procedures. Proceedings of the ACM Conference on Human Factors in Computing Systems (CHI '11). Vancouver, British Columbia (May 7–12, 2011). New York: ACM Press, pp. 143–146. doi: 10.1145/1978942.1978963

See art for an example. See also anova.art.