This is Dataplot data file PAINTS.DAT
Lifetime of Street Paints
Source--Hoaglin, D., Mosteller, F., and Tukey, J. (1991).
Fundamentals of Exploratory Analysis of Variance.
Wiley, New York, page xx. ?????
Response Variable = Lifetime of paints (in weeks)
Number of observations = 12 (= 2 x 2 x 3)
Number of variables per line image = 4
Order of variables per line image--
Response variable = mean lifetime of paint (in weeks)
Factor 1 = manufacturer (2 levels)
Factor 2 = color (2 levels: 1 = yellow;
2 = white)
Factor 3 = paving surface (3 levels: 1 = asphalt I;
2 = asphalt II;
3 = concrete)
Statistical areas--Multifactor
Design type --Randomized Block
To read this file into Dataplot--
SKIP 25
READ PAINTS.DAT Y X1 X2 X3
Mean Manufacturer Color Paving
Lifetime Surface
Y X1 X2 X3
------------------------------------------------
15 1 1 1
27 2 1 1
17 1 1 2
30 2 1 2
32 1 1 3
20 2 1 3
30 1 2 1
34 2 2 1
28 1 2 2
35 2 2 2
29 1 2 3
36 2 2 3