Dear r-helpers,
An editor has suggested that I use bar plots to capture an interaction
of two 2-level factors and an interaction of a 2 by 3 factorial
experiment. (It would seem that there's a fear that someone might try
to interpolate between, e.g., 'male' and 'female'.) In general it
seems to me that an interaction plot with lines is easier to read, and
not likely to mislead. Does anyone know if and where this has been
discussed?
_____________________________
Professor Michael Kubovy
University of Virginia
Department of Psychology
USPS: P.O.Box 400400 Charlottesville, VA 22904-4400
Parcels: Room 102 Gilmer Hall
McCormick Road Charlottesville, VA 22903
Office: B011 +1-434-982-4729
Lab: B019 +1-434-982-4751
Fax: +1-434-982-4766
WWW: http://www.people.virginia.edu/~mk9y/
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