THIS IS DATAPLOT DESIGN-OF-EXPERIMENT FILE 2TO8M4.DAT 2**(8-4) FRACTIONAL FACTORIAL DESIGN UPDATED: FEB 1998 NUMBER OF LEVELS FOR EACH FACTOR = 2 NUMBER OF FACTORS = 8 NUMBER OF OBSERVATIONS = 16 RESOLUTION = 4 (THEREFORE NO MAIN EFFECTS ARE CONFOUNDED WITH ANY 2-FACTOR INTERACTIONS; MAIN EFFECTS ARE CONFOUNDED WITH 3-FACTOR INTERACTIONS AND HIGHER) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . FACTOR DEFINITION CONFOUNDING STRUCTURE 1 1 1 +346+237+248+256+457+358+678 + Higher 2 2 2 +345+137+148+156+467+368+578 + Higher 3 3 3 +245+146+127+158+268+478+567 + Higher 4 4 4 +235+136+128+157+267+378+568 + Higher 5 234 5 +234+126+147+138+367+468+278 + Higher 6 134 6 +134+125+247+238+357+458+178 + Higher 7 123 7 +123+145+246+348+356+258+168 + Higher 8 124 8 +124+135+236+347+456+257+167 + Higher . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12 12 + 37 + 48 + 56 + Higher 13 13 + 27 + 46 + 58 + Higher 14 14 + 28 + 36 + 57 + Higher 15 15 + 26 + 38 + 47 + Higher 16 16 + 25 + 34 + 78 + Higher 17 17 + 23 + 45 + 68 + Higher 18 18 + 24 + 35 + 67 + Higher 23 23 + 17 + 45 + 68 + Higher 24 24 + 18 + 35 + 67 + Higher 25 25 + 16 + 34 + 78 + Higher 26 26 + 15 + 38 + 47 + Higher 27 27 + 13 + 46 + 58 + Higher 28 28 + 14 + 36 + 57 + Higher 34 34 + 16 + 25 + 78 + Higher 35 35 + 18 + 24 + 67 + Higher 36 36 + 14 + 28 + 57 + Higher 37 37 + 12 + 48 + 56 + Higher 38 38 + 15 + 26 + 47 + Higher 45 45 + 17 + 23 + 68 + Higher 46 46 + 13 + 27 + 58 + Higher 47 47 + 15 + 26 + 38 + Higher 48 48 + 12 + 37 + 56 + Higher 56 56 + 12 + 37 + 48 + Higher 57 57 + 14 + 28 + 36 + Higher 58 58 + 13 + 27 + 46 + Higher 67 67 + 18 + 24 + 35 + Higher 68 68 + 17 + 23 + 45 + Higher 78 78 + 16 + 25 + 34 + Higher . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . DEFINING RELATION = I = 2345 = 1346 = 1237 = 1248 = 1256 = 1457 = 1358 = 2467 = 2368 = 3478 = 3567 = 4568 = 2578 = 1678 = 12345678 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 2TO8M4.DAT X1 TO X8 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 X8 ------------------------------ -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