This is the data set used by Tukey (1977) for the initial examples of twoway tables
Format
a matrix of 7 rows (Month) and 3 columns (City) where the value is mean
monthly temperature in degrees F. The matrix has a responseName attribute, "Temperature"
References
Tukey, J. W. (1977). Exploratory Data Analysis, Reading MA: Addison-Wesley. Exhibit 1 of chapter 10, p. 333
Examples
data(Arizona)
(AR.2way <-twoway(Arizona, method="median"))
#>
#> Median polish decomposition (Dataset: "Arizona"; Response: Temperature)
#> Residuals bordered by row effects, column effects, and overall
#>
#> City
#> Month Flagstaff Phoenix Yuma roweff
#> + ----- ----- ----- + -----
#> Jul | 0.0 0.2 -0.9 : 19.1
#> Aug | 0.0 0.2 0.0 : 17.3
#> Sep | -1.0 0.0 0.0 : 11.9
#> Oct | 0.0 0.0 0.0 : 0.0
#> Nov | 1.9 -0.2 0.0 : -12.2
#> Dec | 1.0 0.0 -0.6 : -18.7
#> Jan | 0.3 0.0 0.0 : -21.1
#> + ..... ..... ..... + .....
#> coleff | -24.7 0.0 5.6 : 70.8
#>
## plot(AR.2way)