2**(7-4) FRACTIONAL FACTORIAL DESIGN NUMBER OF LEVELS FOR EACH FACTOR = 2 NUMBER OF FACTORS = 7 NUMBER OF OBSERVATIONS = 8 (A SATURATED DESIGN) RESOLUTION = 3 (CAUTION! MAIN EFFECTS ARE CONFOUNDED WITH 2-TERM INTERACTIONS) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . FACTOR DEFINITION CONFOUNDING STRUCTURE 1 1 1 + 24 + 35 + 67 + HIGHER-ORDER INTERACTIONS 2 2 2 + 14 + 36 + 57 + HIGHER-ORDER INTERACTIONS 3 3 3 + 15 + 26 + 47 + HIGHER-ORDER INTERACTIONS 4 12 4 + 12 + 37 + 56 + HIGHER-ORDER INTERACTIONS 5 13 5 + 13 + 27 + 46 + HIGHER-ORDER INTERACTIONS 6 23 6 + 17 + 23 + 45 + HIGHER-ORDER INTERACTIONS 7 123 7 + 16 + 25 + 34 + HIGHER-ORDER INTERACTIONS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12 12 + 4 + 37 + 56 + HIGHER-ORDER INTERACTIONS 13 13 + 5 + 27 + 46 + HIGHER-ORDER INTERACTIONS 14 14 + 2 + 36 + 57 + HIGHER-ORDER INTERACTIONS 15 15 + 3 + 26 + 47 + HIGHER-ORDER INTERACTIONS 16 16 + 7 + 25 + 34 + HIGHER-ORDER INTERACTIONS 17 17 + 6 + 23 + 45 + HIGHER-ORDER INTERACTIONS 23 23 + 6 + 17 + 45 + HIGHER-ORDER INTERACTIONS 24 24 + 1 + 35 + 67 + HIGHER-ORDER INTERACTIONS 25 25 + 7 + 16 + 34 + HIGHER-ORDER INTERACTIONS 26 26 + 3 + 15 + 47 + HIGHER-ORDER INTERACTIONS 27 27 + 5 + 13 + 46 + HIGHER-ORDER INTERACTIONS 34 34 + 7 + 16 + 25 + HIGHER-ORDER INTERACTIONS 35 35 + 1 + 24 + 67 + HIGHER-ORDER INTERACTIONS 36 36 + 2 + 14 + 57 + HIGHER-ORDER INTERACTIONS 37 37 + 4 + 12 + 56 + HIGHER-ORDER INTERACTIONS 45 45 + 6 + 17 + 23 + HIGHER-ORDER INTERACTIONS 46 46 + 5 + 13 + 27 + HIGHER-ORDER INTERACTIONS 47 47 + 3 + 15 + 26 + HIGHER-ORDER INTERACTIONS 56 56 + 4 + 12 + 37 + HIGHER-ORDER INTERACTIONS 57 57 + 2 + 14 + 36 + HIGHER-ORDER INTERACTIONS 67 67 + 1 + 24 + 35 + HIGHER-ORDER INTERACTIONS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . DEFINING RELATION = I = 124 = 135 = 236 = 347 = 257 = 167 = 456 DEFINING RELATION (CONT.) = 1237 = 2345 = 1346 = 1256 = 1457 DEFINING RELATION (CONT.) = 2467 = 3567 = 1234567 REFERENCE--BOX, HUNTER & HUNTER, STAT. FOR EXP., PAGE 410, 391, 392. NOTE--THIS DESIGN IS EQUIVALENT TO A TAGUCHI L8 DESIGN REFERENCE--TAGUCHI, SYS. OF EXP. DES., VOL. 2. 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 2TO7M4.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