Displaying 1 result from an estimated 1 matches for "tab0408".
Which is the easiest (most elegant) way to force "aov" to treat numerical variables as categorical ?
2010 Jun 14
2
Which is the easiest (most elegant) way to force "aov" to treat numerical variables as categorical ?
...tegorical ?
Sincerely, Andrea Bernasconi DG
PROBLEM EXAMPLE
I consider the latin squares example described at page 157 of the book:
Statistics for Experimenters: Design, Innovation, and Discovery by George E. P. Box, J. Stuart Hunter, William G. Hunter.
This example use the data-file /BHH2-Data/tab0408.dat from ftp://ftp.wiley.com/ in /sci_tech_med/statistics_experimenters/BHH2-Data.zip.
The file tab0408.dat contains following DATA:
> DATA
driver cars additive y
1 1 1 A 19
2 2 1 D 23
3 3 1 B 15
4 4 1 C 19
5 1 2...