[R] Compact letter display for interaction effects

Spencer Graves spencer.graves at structuremonitoring.com
Mon Oct 3 21:48:27 CEST 2011

> library(sos)
> cl <- ???'compact letter display'
> cl

       This opened a table for me in a web browser identifying 3 help 
pages in 'multcomp' and 1 in 'multcompView' that mention 'compact letter 
display'.  Functions in multcompView will work anything that looks like 
a distance or similarity matrix.  You need to decide what to use so the 
results make sense.

       Hope this helps.

On 10/3/2011 8:09 AM, Josh Caplan wrote:
> Hello,
> I am interested in generating a compact letter display for the results
> of Tukey HSD tests that contain interaction effects. The 'cld' method
> in the 'multcomp' package seems only to work for main effects. Does
> such a thing exist already? Thank you for any thoughts,
> Josh

Spencer Graves, PE, PhD
President and Chief Technology Officer
Structure Inspection and Monitoring, Inc.
751 Emerson Ct.
San José, CA 95126
ph:  408-655-4567
web:  www.structuremonitoring.com

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