THIS IS DATAPLOT DESIGN-OF-EXPERIMENT FILE 2TO4M1.DAT 2**(4-1) FRACTIONAL FACTORIAL DESIGN NUMBER OF LEVELS FOR EACH FACTOR = 2 NUMBER OF FACTORS = 4 NUMBER OF OBSERVATIONS = 8 RESOLUTION = 4 (THEREFORE NO MAIN EFFECTS ARE CONFOUNDED WITH ANY 2-FACTOR INTERACTIONS; MAIN EFFECTS ARE CONFOUNDED WITH 3-FACTOR INTERACTIONS) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . FACTOR DEFINITION CONFOUNDING STRUCTURE 1 1 1 + 234 2 2 2 + 134 3 3 3 + 124 4 123 4 + 123 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12 12 + 34 13 13 + 24 14 14 + 23 23 23 + 14 24 24 + 13 34 34 + 12 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . DEFINING RELATION = I = 1234 REFERENCE--BOX, HUNTER & HUNTER, STAT. FOR EXP., PAGE 410, NOTE--IF POSSIBLE, THIS (AS WITH ALL EXPERIMENT DESIGNS) SHOULD BE RUN IN RANDOM ORDER (SEE DATAPLOT'S RANDOM PERMUTATION FILES). NOTE--TO READ THIS FILE INTO DATAPLOT-- SKIP 50 READ 2TO4M1.DAT X1 TO X4 DATE--DECEMBER 1988 NOTE--IN THE DESIGN BELOW, "-1" REPRESENTS THE "LOW" SETTING OF A FACTOR "+1" REPRESENTS THE "HIGH" SETTING OF A FACTOR NOTE--ALL FACTOR EFFECT ESTIMATES WILL BE OF THE FORM AVERAGE OF THE "HIGH" - AVERAGE OF THE "LOW" X1 X2 X3 X4 -------------- -1 -1 -1 -1 +1 -1 -1 +1 -1 +1 -1 +1 +1 +1 -1 -1 -1 -1 +1 +1 +1 -1 +1 -1 -1 +1 +1 -1 +1 +1 +1 +1