2**(7-2) FRACTIONAL FACTORIAL DESIGN NUMBER OF LEVELS FOR EACH FACTOR = 2 NUMBER OF FACTORS = 7 NUMBER OF OBSERVATIONS = 32 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 + 2346 + 2457 + 13567 2 2 2 + 1346 + 1457 + 23567 3 3 3 + 567 + 1246 + 123457 4 4 4 + 1236 + 1257 + 34567 5 5 5 + 367 + 1247 + 123456 6 1234 6 + 357 + 1234 + 124567 7 1245 7 + 356 + 1245 + 123467 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12 12 + Higher 13 13 + Higher 14 14 + Higher 15 15 + Higher 16 16 + Higher 17 16 + Higher 23 23 + Higher 24 24 + Higher 25 25 + Higher 26 26 + Higher 27 27 + Higher 34 34 + Higher 35 35 + 67 + Higher 36 36 + 57 + Higher 37 37 + 56 + Higher 45 45 + Higher 46 46 + Higher 47 47 + Higher 56 56 + 37 + Higher 57 57 + 36 + Higher 67 67 + 35 + Higher . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . DEFINING RELATION = I = 12346 = 12457 = 3567 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 75 READ 2TO7M2.DAT X1 TO X7 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 X5 X6 X7 -------------------------- -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 -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 -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 -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 -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 +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 +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