12**(7-4) FRACTIONAL FACTORIAL DESIGN 2NUMBER OF LEVELS FOR EACH FACTOR = 2 3NUMBER OF FACTORS = 7 4NUMBER OF OBSERVATIONS = 8 (A SATURATED DESIGN) 5RESOLUTION = 3 (CAUTION! MAIN EFFECTS ARE 6 CONFOUNDED WITH 2-TERM INTERACTIONS) 7. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8 FACTOR DEFINITION CONFOUNDING STRUCTURE 9 1 1 1 + 24 + 35 + 67 + HIGHER-ORDER INTERACTIONS 10 2 2 2 + 14 + 36 + 57 + HIGHER-ORDER INTERACTIONS 11 3 3 3 + 15 + 26 + 47 + HIGHER-ORDER INTERACTIONS 12 4 12 4 + 12 + 37 + 56 + HIGHER-ORDER INTERACTIONS 13 5 13 5 + 13 + 27 + 46 + HIGHER-ORDER INTERACTIONS 14 6 23 6 + 17 + 23 + 45 + HIGHER-ORDER INTERACTIONS 15 7 123 7 + 16 + 25 + 34 + HIGHER-ORDER INTERACTIONS 16. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17 12 12 + 4 + 37 + 56 + HIGHER-ORDER INTERACTIONS 18 13 13 + 5 + 27 + 46 + HIGHER-ORDER INTERACTIONS 19 14 14 + 2 + 36 + 57 + HIGHER-ORDER INTERACTIONS 20 15 15 + 3 + 26 + 47 + HIGHER-ORDER INTERACTIONS 21 16 16 + 7 + 25 + 34 + HIGHER-ORDER INTERACTIONS 22 17 17 + 6 + 23 + 45 + HIGHER-ORDER INTERACTIONS 23 23 23 + 6 + 17 + 45 + HIGHER-ORDER INTERACTIONS 24 24 24 + 1 + 35 + 67 + HIGHER-ORDER INTERACTIONS 25 25 25 + 7 + 16 + 34 + HIGHER-ORDER INTERACTIONS 26 26 26 + 3 + 15 + 47 + HIGHER-ORDER INTERACTIONS 27 27 27 + 5 + 13 + 46 + HIGHER-ORDER INTERACTIONS 28 34 34 + 7 + 16 + 25 + HIGHER-ORDER INTERACTIONS 29 35 35 + 1 + 24 + 67 + HIGHER-ORDER INTERACTIONS 30 36 36 + 2 + 14 + 57 + HIGHER-ORDER INTERACTIONS 31 37 37 + 4 + 12 + 56 + HIGHER-ORDER INTERACTIONS 32 45 45 + 6 + 17 + 23 + HIGHER-ORDER INTERACTIONS 33 46 46 + 5 + 13 + 27 + HIGHER-ORDER INTERACTIONS 34 47 47 + 3 + 15 + 26 + HIGHER-ORDER INTERACTIONS 35 56 56 + 4 + 12 + 37 + HIGHER-ORDER INTERACTIONS 36 57 57 + 2 + 14 + 36 + HIGHER-ORDER INTERACTIONS 37 67 67 + 1 + 24 + 35 + HIGHER-ORDER INTERACTIONS 38. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 39DEFINING RELATION = I + 124 + 135 + 236 + 347 + 257 + 167 + 456 40DEFINING RELATION (CONT.) + 1237 + 2345 + 1346 + 1256 + 1457 41DEFINING RELATION (CONT.) + 3567 + 1234567 42REFERENCE--BOX, HUNTER & HUNTER, STAT. FOR EXP., PAGE 410, 391, 392. 43NOTE--THIS DESIGN IS EQUIVALENT TO A TAGUCHI L8 DESIGN 44 REFERENCE--TAGUCHI, SYS. OF EXP. DES., VOL. 2, PAGE XX. 45NOTE--IF POSSIBLE, THIS (AS WITH ALL EXPERIMENT DESIGNS) SHOULD BE 46 RUN IN RANDOM ORDER (SEE DATAPLOT'S RANDOM PERMUTATION FILES). 47NOTE--TO READ THIS FILE INTO DATAPLOT-- 48 SKIP 75 49 READ 2TO7M4.DAT X1 TO X7 50DATE--DECEMBER 1988 51NOTE--IN THE DESIGN BELOW, "-1" REPRESENTS THE "LOW" SETTING OF A FACTOR 52 "+1" REPRESENTS THE "HIGH" SETTING OF A FACTOR 53NOTE--ALL FACTOR EFFECT ESTIMATES WILL BE OF THE FORM 54 AVERAGE OF THE "HIGH" - AVERAGE OF THE "LOW" 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 X1 X2 X3 X4 X5 X6 X7 75 -------------------------- 76 -1 -1 -1 +1 +1 +1 -1 77 +1 -1 -1 -1 -1 +1 +1 78 -1 +1 -1 -1 +1 -1 +1 79 +1 +1 -1 +1 -1 -1 -1 80 -1 -1 +1 +1 -1 -1 +1 81 +1 -1 +1 -1 +1 -1 -1 82 -1 +1 +1 -1 -1 +1 -1 83 +1 +1 +1 +1 +1 +1 +1 84