This is Dataplot data file STATEAS2.DAT
Factors affecting homemade bread (stateaser article june 2001)
Goal: Maximize bread taste
Response variable = taste
Number of observations = 8+3 = 11
Order of variables on a line image--
1. Response variable = Taste (0 to 10)
2. Factor 1 = Liquid (1 = water, 2 = milk)
3. Factor 2 = Oil (1 = butter; 2 = margerine)
4. Factor 3 = Flour (1 = regular; 2 = bread)
5. Factor 4 = Yeast (1 = regular; 2 = bread)
Statistical Category: Screening
Reference: Mark Anderson, "Using DOE to Make Bread, Not Bricks
(or How to Bake Like a Pro), Stateaser, June 2001, page 1-3.
To read this data file into Dataplot--
SKIP 25
READ STATEAS2.DAT Y X1 X2 X3 X4
Taste Liquid Oil Flour Yeast
Y X1 X2 X3 X4
-------------------------------------------------------
4.7 -1 -1 -1 -1
6.5 +1 -1 -1 +1
5.0 -1 +1 -1 +1
5.5 +1 +1 -1 -1
5.8 -1 -1 +1 +1
5.0 +1 -1 +1 -1
5.3 -1 +1 +1 -1
5.2 +1 +1 +1 +1
5.5 -1 -1 -1 -1
6.2 +1 -1 -1 +1
5.2 -1 +1 -1 +1