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Anderson MJ. Screening Ingredients Most Efficiently with Two-Level Design of

Experiment (DOE). http://www.computer.org/publications/dlib. html [10

Januari 2006]

Aunuddin 1989. Analisis Data. Bogor : PAU Ilmu Hayat Institut Pertanian Bogor.

Bingham D, Sitter RR. 1999. Minimum aberration two-level fractional factorial

split -plot design. Technometrics 41: 62-70.

Bingham D, Sitter RR. 2001. Design issues in fractional factorial split-plot

experiments. Journal of Technology. 33: 2-15.

Birnbaum A. 1959. On the Analysis of Factorial Experiments Without

Replication. Technometrics 1: 343 -59.

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John Wiley & Sons inc.

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Experiment. Technometrics 1: 311-41.

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k-p

. Technometrics 22: 601-08.

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Ed ke-2. Sjamsuddin E, Baharsjah JS, penerjemah; Jakarta: UI Pr.

Terjemahan dari: Statistical Procedures for Agricultural Research.

Hines WW, Montgomery DC. 1996. Probability and Statistics in Engineering and

Management Science. Ed ke-3. New York: John Wiley & Sons inc.

Huang P, Dechang C, Joseph OV. 1998. Minimum aberration two-level split-plot

designs. Technometrics 410: 314-26.

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John Wiley & Sons, inc.

Musa MS. 1999. Perancangan dan Analisis Percobaan. Bogor : Jurusan Statistika

Institut Pertanian Bogor.

Myers RH. 1990. Classical and Modern Regression with Application. Boston :

PWS KENT Publishing Company.

Nembhard HB, Navin A, Mehmet A, Seong K. 2006. Design Issue and Analysis

of Experiments in Nanoman ufacturing. Handbook of Industrial and Systems

Engineering.

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Lampiran 1. Alias interaksi dua faktor untuk tiga rancangan 2

IV7-2

Alias interaksi dua faktor Interaksi

2 faktor D1 D2 D3

AB CF + ACDG + BDFG CF + BDEG + ACDEFG CDF + DEG + ABCEFG AC BF + ABDG + ACDFG BF + CDEG + ABDEFG BDF + BCDEG + AEFG AD BCDF + BCG + FG BCDF + EG + ABCEFG BCF + BEG + ACDEFG AE BCF + ABCDEG + DEFG BCEF + D G + ABCDFG BCDEF + BDG + ACFG AF BC + ABCDFG + DG BC + DEFG + ABCDG BCD + BDEFG + ACEG AG BCFG + ABCD + DF BCFG + DE + ABCDEF BCDFG + BDE + ACEF BC AF + DG + ABCDFG AF + ABCDEG + DEFG ADF + ACDEG + BEFG BD ACDF + CG + ABFG ACDF + ABEG + CEFG ACF + AEG + BCDEFG BE ACEF + CDEG + ABDEFG ACEF + ABDG + CDFG ACDEF + ADG + BCFG BF AC + CDFG + ADG AC + ABDEFG + CDEG ACD + ADEFG + BCEG BG ACFG + CD + ABDF ACFG + ABE + CDEF ACDFG + ADE + BCEF CD ABDF + BG + ACFG ABDF + ACEG + BEFG ABF + ABCEG + DEFG CE ABEF + BDEG + ACDEFG ABEF + ACDG + BDFG ABDEF + ABCDG + FG CF AB + BDFG + ACDG AB + ACDEFG + BDEG ABD + ABCDEFG + EG CG ABFG + BD + ACDF ABFG + ACDE + BDEF ABDFG + ABCDE + EF DE ABCDEF + BCEG + AEFG ABCDEF + AG + BCFG ABCEF + ABG + CDEG DF ABCD + BCFG + AG ABCD + AEFG + BCEG ABC + ABEFG + CDEG D G ABCDFG + BC + AF ABCDFG + AE + BCEF ABCFG + ABE + CDEF EF ABCE + BCDEFG + ADEG ABCE + ADFG + BCDG ABCDE + ABDFG + CG EG ABCEFG + BCDE + ADEF ABCEFG + AD + BCDF ABCDEFG + ABD + CF FG ABCG + BCDF + AD ABCG + ADEF + BCDE ABCDG + ABDEF + CE

(3)

No

Generator &

defining relation

Alias

Pengaruh yg

dianalisis

A = BD = BE = ADE

B = AD = AE = BDE C = ABCD = ABCE = CDE D = AB = ABDE = E AC = BCD = BCE = ACDE BC = ACD = ACE = BCDE CD = ABC = ABCDE = CE A = BD = BE B = AD = AE C D = E = AB AC BC CD = CE 1 D = AB ; E = AB I = ABD = ABE = DE

AB terpaut dengan D&E; AD terpaut dengan B A = BD = CE = ABCDE B = AD = ABCE = CDE C = ABCD = AE = BDE D = AB = ACDE = BCE E = ABDE = AC = BCD BC = ACD = ABE = DE BE = AD E = ABC = CD A = BD = CE B = AD C = AE D = AB E = AC BC = DE BE = CD 2 D = AB ; E = AC

I = ABD = ACE = BCDE (Resolusi III)

(sesuai kriteria resolusi maksimum dan minimum

aberration) AB terpaut dengan D; AD terpaut dengan B A = BD = ABCE = CDE B = AD = CE = ABCDE C = ABCD = BE = ADE D = AB = BCDE = ACE E = ABDE = BC = ACD AC = BCD = ABE = DE AE = BDE = ABC = CD A = BD B = AD = CE C = BE D = AB E = BC AC = DE AE = CD 3 D = AB ; E = BC

I = ABD = BCE = ACDE (Resolusi III)

Isomorphic dari no 2

(A à B ; B à A)

AB terpaut dengan D; AD terpaut dengan B; BC terpaut dengan E A = BD = BCE = ACDE B = AD = ACE = BCDE C = ABCD = ABE = DE D = AB = ABCDE = CE E = ABDE = ABC =CD AC = BCD = BE = ADE AE = BDE = BC = ACD A = BD B = AD C = DE D = AB = CE E = CD AC = BE AE = BC 4 D = AB ; E = ABC

I = ABD = ABCE = CDE (Resolusi III)

(sesuai kriteria resolusi maksimum dan minimum

aberration) AB terpaut dengan D; AD terpaut dengan B A = CD = BE = ABCDE B = ABCD = AE = ABCD C = AD = ABCE = BDE D = AC = ABDE = BCE E = ACDE = AB = BCD BC = ABD = ACE = DE BD = ABC = ADE = CE A = CD = BE B = AE C = AD D = AC E = AB BC = DE BD = CE 5 D = AC ; E = AB

I = ACD = ABE = BCDE (Resolusi III)

Isomorphic dari no 2

(C à B ; B à C)

AB terpaut dengan E; AD terpaut dengan C A = CD = CE = ADE

B = ABCD = ABCE = BDE C = AD = AE = CDE D = AC = ACDE = E AB = BCD = BCE = ABDE BC = ABD = ABE = BCDE BD = ABC = ABCDE = BE A = CD = CE B C = AD = AE D = AC = E AB BC BD = BE 6 D = AC ; E = AC I = ACD = ACE = DE AD terpaut dengan C

(4)

Lampiran 2. (lanjutan)

No

Generator &

defining relation

Alias

Pengaruh yg

dianalisis

A = CD = ABCE = BDE B = ABCD = CE = ADE C = AD = BE = ABCDE D = AC = BCDE = ABE E = ACDE = BC = ABD AB = BCD = ACE = DE AE = CDE = ABC = BD A = CD B = CE C = AD = BE D = AC E = BC AB = DE AE = BD 7 D = AC ; E = BC

I = ACD = BCE = ABDE (Resolusi III)

Isomorphic dari no 2

(AàB ; BàC ; CàA)

AD terpaut dengan C ; BC terpaut dengan E A = CD = BCE = ABDE B = ABCD = ACE = DE C = AD = ABE = BCE D = AC = ABCDE = BE E = ABDE = ABC = BD AB = BCD = CE = ADE AE = CDE = BC = ABD A = CD B = DE C = AD D = AC = BE E = BD AB = CE AE = BC 8 D = AC ; E = ABC

I = ACD = ABCE = BDE (Resolusi III) Isomorphic dari no 4 (B à C ; C à B) AD terpaut dengan C A = ABCD = BE = CDE B = CD = AE = ABCDE C = BD = ABCE = ADE D = BC = ABED = ACE E = BCDE = AB = ACD AC = ABD = BCE = DE AD = ABC = BED = CE A = BE B = CD = AE C = BD D = BC E = AB AC = DE AD = CE 9 D = BC ; E = AB I = BCD = ABE = ACDE (Resolusi III) Isomorphic dari no 2 (AàC ; CàB ; BàA)

AB terpaut dengan E; BC terpaut dengan D A = ABCD = CE = BDE B = CD = ABCE = ADE C = BD = AE = ABCDE D = BC = ACED = ABE E = BCDE = AC = ABD AB = ACD = BCE = DE AD = ABC = CDE = BE A = CE B = CD C = BD = AE D = BC E = AC AB = DE AD = BE 10 D = BC ; E = AC I = BCD = ACE = ABDE (Resolusi III) Isomorphic dari no 2 (CàA ; AàC) BC terpaut dengan D A = ABCD = ABCE = ADE B = CD = CE = BDE C = BD = BE = CDE D = BC = BCDE = E AB = ACD = ACE = ABDE AC = ABD = ABE = ACDE AD = ABC = ABCDE = AE A B = CD = CE C = BD = BE D = BC = E AB AC AD = AE 11 D = BC ; E = BC I = BCD = BCE = DE Isomorphic dari no 1 (C à A)

BC terpaut dengan D&E A = ABCD = BCE = DE B = CD = ACE = ABDE C = BD = ABE = ACDE D = BC = ABCDE = AE E = BCDE = ABC = AD AB = ACD = CE = BDE AC = ABD = BE = CDE A = DE B = CD C = BD D = BC = AE E = AD AB = CE AC = BE 12 D = BC ; E = ABC I = BCD = ABCE = ADE (Resolusi III) Isomorphic dari no 4 (A à C ; C à A)

(5)

No

Generator &

defining relation

Alias

Pengaruh yg

dianalisis

A = BCD = BE = ACDE B = ACD = AE = BCDE C = ABD = ABCE = DE D = ABC = ABDE = CE E = ABCDE = AB = CD AC = BD = BCE = ADE AD = BC = BDE = ACE A = BE B = AE C = DE D = CE E = AB = CD AC = BD AD = BC 13 D = ABC ; E = AB

I = ABCD = ABE = CDE (Resolusi III)

Isomorphic dari no 4

(D à E ; E à D)

AB terpaut dengan E ; AD terpaut dengan BC A = BCD = CE = ABDE B = ACD = ABCE = DE C = ABD = AE = BCDE D = ABC = ACDE = BE E = ABCDE = AC = BD AB = CD = BCE = ADE AD = BC = CDE = ABE A = CE B = DE C = AE D = BE E = AC = BD AB = CD AD = BC 14 D = ABC ; E = AC

I = ABCD = ACE = BDE (Resolusi III) Isomorphic dari no 4 (D à E ; E à D) (B à C ; C à B) AD terpaut dengan BC A = BCD = ABCE = DE B = ACD = CE = ABDE C = ABD = BE = ACDE D = ABC = BCDE = AE E = ABCDE = BC = AD AB = CD = ACE = BDE AC = BD = ABE = CDE A = DE B = CE C = BE D = AE E = BC = AD AB = CD AC = BD 15 D = ABC ; E = BC

I = ABCD = BCE = ADE (Resolusi III)

Isomorphic dari no 4

(D à E ; E à D)

(A à C ; C à A) AD terpaut dengan BC & E A = BCD = BCE = ADE B = ACD = ACE = BDE C = ABD = ABE = CDE D = ABC = ABCDE = E AB = CD = CE = ABDE AC = BD = BE = ACDE AD = BC = BCDE = AE A B C D = E AB = CD = CE AC = BD = BE AD = BC = AE 16 D = ABC ; E = ABC I = ABCD = ABCE = DE AD terpaut dengan BC

(6)

Lampiran 3. Penggunaan SAS 9.1 untuk pembentukan struktur rancangan FF

Tahapan pembentukan struktur rancangan FF dengan SAS 9.1 adalah sebagai

berikut :

1. Pilih menu SOLUTIONS à Analysis à Design of Experiments

2. untuk membuat rancangan FF yang baru, pilih menu FILE à Create New

Design à Two-level…

(7)

3. Klik Define Variables.

Klik Add> untuk menentukan banyaknya faktor yang akan dicobakan ,

untuk contoh ini dipilih 5 faktor yang digunakan.

Kemudian klik OK untuk kembali ke kotak dialog sebelumnya.

4. Klik Select Design.

Pilih Fractional factorial designs pada show designs of type.

Tentukan fraksi percobaan dengan memilih type rancangan yang tersedia,

dalam contoh ini pilih rancangan dengan fraksi ¼.

(8)

Lampiran 3. (lanjutan)

5. Klik Design Details... untuk mengetahui struktur rancangan yang

terbentuk.

Pada Design Information dapat diketahui informasi tentang resolusi

maksimum yang bisa dicapai, didapat resolusi III sebagai resolusi

maksimum

6. Pada Confounding Rules didapatkan generator yang terpilih sebagai

pembentuk struktur rancangan terbaik.

Dengan menekan panah ke bawah pada Principal : ++ dapat ditentukan

seperempat bagian yang mana yang akan dicobakan, hal ini berkaitan

dengan fold over.

(9)

7. Pada Alias Structure dap at diketahui susunan pengaruh faktor yang saling

terpaut.

8. Klik tanda silang untuk menutup kotak Design Details dan kembali pada

kotak dialog Two-Level design spesifications.

(10)

Lampiran 4. Penggunaan ADX SAS 9.1 untuk Pengacakan Rancangan FF.

Teknik pengacakan pada rancangan FF dapat dilakukan dengan klik edit

response kemudian memilih menu Design à Randomized Design...

(11)

No

Defining contrast

subgroups AP

Alias

Pengaruh yg

dianalisis

A = PQ = PR = AQR B = ABPQ = ABPR = BQR AB = BPQ = BPR = ABQR P = AQ = AR = PQR Q = AP = APQR = R BP = ABQ = ABR = BPQR BQ = ABP = ABPQR = BR A = PQ = PR B AB P = AQ = AR Q = AP = R BP BQ = BR 1 Q = AP ; R = AP I = APQ = APR = QR Q terpaut dengan R A = PQ = ABPR = BQR B = ABPQ = PR = AQR AB = BPQ = APR = QR P = AQ = BR = ABPQR Q = AP = BPQR = ABR R = APQR = BP = ABQ AR = PQR = ABP = BQ A = PQ B = PR AB = QR P = AQ = BR Q = AP R = BP AR = BQ 2 Q = AP ; R = BP I = APQ = BPR = ABQR (terbaik menurut kriteria resolusi maksimum dan

minimum aberration) Tidak ada pengaruh utama yang terpaut dengan pengaruh utama lain A = PQ = BPR = ABQR B = ABPQ = APR = QR AB = BPQ = PR = AQR P = AQ = ABR = BPQR Q = AP = ABPQR = BR R = APQR = ABP = BQ AR = PQR = BP = ABQ A = PQ B = QR AB = PR P = AQ Q = QP = BR R = BQ AR = BP 3 Q = AP ; R = ABP I = APQ = ABPR = BQR (Resolusi III)

Tidak ada pengaruh utama yang terpaut dengan pengaruh utama lain A = ABPQ = PR = BQR B = PQ = ABPR = AQR AB = APQ = BPR = QR P = BQ = AR = ABPQR Q = BP = APQR = ABR R = BPQR = AP = ABQ AQ = ABP = PQR = BR A = PR B = PQ AB = QR P = BQ = AR Q = BP R = AP AQ = BR 4 Q = BP ; R = AP I = BPQ = APR = ABQR (Resolusi III) Isomorphic dari no 2

(A à B ; B à A) Tidak ada pengaruh utama yang terpaut dengan pengaruh utama lain

A = ABPQ = ABPR = AQ R B = PQ = PR = BQR AB = APQ = APR = ABQR P = BQ = BR = PQR Q = BP = BPQR = R AP = ABQ = ABR = APQR AQ = ABP = ABPQR = AR A B = PQ = PR AB P = BQ = BR Q = BP = R AP AQ = AR 5 Q = BP ; R = BP I = BPQ = BPR = QR Q terpaut dengan R A = ABPQ = BPR = QR B = PQ = APR = AQR AB = APQ = PR = BQR P = BQ = ABR = APQR Q = BP = ABPQR = AR R = BPQR = ABP = AQ AP = ABQ = BR = PQR A = QR B = PQ AB = PR P = BQ Q = BP = AR R = AQ AP = BR 6 Q = BP ; R = ABP I = BPQ = ABPR = AQR (Resolusi III) Isomorphic dari no 3

(A à B ; B à A) Tidak ada pengaruh utama yang terpaut dengan pengaruh utama lain

(12)

Lampiran 5. (Lanjutan)

No

Defining contrast

subgroups AP

Alias

Pengaruh yg

dianalisis

A = BPQ = PR = ABQR B = APQ = APR = QR AB = PQ = BPR = AQR P = ABQ = AR = BPQR Q = ABP = APQR = BR R = ABPQR = AP = BQ AQ = BP = PQR = ABR A = PR B = QR AB = PQ P = AR Q = BR R = AP = BQ AQ = BP 7 Q = ABP ; R = AP I = ABPQ = APR = BQR (Resolusi III) Isomorphic dari no 3

(Q à R ; R à Q) Tidak ada pengaruh utama yang terpaut dengan pengaruh utama lain A = BPQ = ABPR = QR B = APQ = PR = ABQR AB = PQ = APR = BQR P = ABQ = BR = APQR Q = ABP = BPQR = AR R = ABPQR = BP = AQ AP = BQ = ABR = PQR A = QR B = PR AB = PQ P = BR Q = AR R = BP = AQ AP = BQ 8 Q = ABP ; R = BP I = ABPQ = BPR = AQR (Resolusi III) Isomorphic dari no 3 (A à B ; B à A) (Q à R ; R à Q)

Tidak ada pengaruh utama yang terpaut dengan pengaruh utama lain A = BPQ = BPR = AQR B = APQ = APR = BQR AB = PQ = PR = ABQR P = ABQ = ABR = PQR Q = ABP = ABPQR = R AP = BQ = BR = APQR AQ = BP = BPQR = AR A B AB = PQ = PR P Q = R AP = BQ = BR AQ = BP = AR 9 Q = ABP ; R = ABP I = ABPQ = ABPR = QR Q terpaut dengan R

(13)

FFSP

Tahapan pembentukan struktur rancangan FFSP dengan SAS 9.1 adalah sebagai

berikut :

1. Pilih menu FILE à Create New Design à Split-plot…

2. Klik Define Variables.

Pada Whole Plot Factor Klik Add> untuk menentukan banyaknya faktor

petak utama yang akan dicobakan,untuk contoh ini dipilih 2.

(14)

Lampiran 6 (lanjutan)

Pada Sub -plot Factor klik Add> untuk menentukan banyaknya faktor anak

petak yang dicobakan, untuk contoh ini dipilih 3. kemudian klik OK untuk

kembali pada kotak dialog sebelumnya.

3. Klik Select Design.

Pilih type rancangan yang diinginkan, untuk contoh ini dipilih rancangan

dengan 8 run.

(15)

4. Klik Design Details... untuk mengetahui struktur rancangan yang

terbentuk.

Pada Design Information dapat diketahui informasi tentang resolusi

maksimum yang bisa dicapai, didapat resolusi III sebagai resolusi

maksimum. Defining relation yang terbaik adalah APQ=BPR dengan

WLP {2,1,0}

(16)

Lampiran 7. Penggunaan SAS 9.1 untuk pembentukan pengacakan struktur

rancangan FFSP

Pilih Edit Respon kemudian klik Design à Randomize Design...

(17)

percobaan pada contoh kasus rancangan FF

Tahap 1 : Pengaruh faktor E masuk ke dalam model, R

2

model = 76.44%

Analysis of Variance Source DF Sum of Squares Mean Square F Value P r > F Model 1 7921.000 0 7921.0000 45.41 <.0001 Error 14 2442.0000 174.4286 Corrected Total 15 10363.0000 Variable Parameter Estimate Standard Error Type II SS F Value P r > F Intercept 54.2500 3.3018 47089 .0000 269.96 <.0001 E -22.2500 3.3018 7921.0000 45.41 <.0001

Tahap 2 : Pengaruh faktor B masuk ke dalam model, R

2

model = 91.49%

Analysis of Variance Source DF Sum of Squares Mean Square F Value P r > F Model 2 9481.2500 4740.6250 69.89 <.0001 Error 13 881.7500 67.8269 Corrected Total 15 10363.0000 Variable Parameter Estimate Standard Error Type II SS F Value P r > F Intercept 54.2500 2.0589 47089.0000 694.25 <.0001 B 9.8750 2.0589 1560.2500 23.00 0.0003 E -22.2500 2.0589 7921.000 0 116.78 <.0001 No other variable met the 0.0500 significance level for entry into the model.

(18)

Lampiran 9. Data percobaan pada contoh kasus rancangan FFSP

A B P Q R S T U y -1 -1 -1 -1 -1 1 1 1 1.00 1 -1 -1 -1 1 -1 0.50 -1 1 -1 -1 -1 1 37.46 1 1 -1 1 -1 -1 32.26 -1 -1 1 1 -1 -1 36.54 1 -1 1 -1 -1 1 33.34 -1 1 1 -1 1 -1 4.00 1 1 1 1 1 1 2.50 1 -1 -1 -1 -1 1 1 1 1.00 1 -1 -1 -1 1 -1 34.74 -1 1 -1 -1 -1 1 1.20 1 1 -1 1 -1 -1 76.86 -1 -1 1 1 -1 -1 2.10 1 -1 1 -1 -1 1 76.34 -1 1 1 -1 1 -1 1.10 1 1 1 1 1 1 37.66 -1 1 -1 -1 -1 1 1 1 1.90 1 -1 -1 -1 1 -1 2.50 -1 1 -1 -1 -1 1 31.06 1 1 -1 1 -1 -1 37.06 -1 -1 1 1 -1 -1 31.34 1 -1 1 -1 -1 1 40.94 -1 1 1 -1 1 -1 3.20 1 1 1 1 1 1 5.20 1 1 -1 -1 -1 1 1 1 6.10 1 -1 -1 -1 1 -1 37.54 -1 1 -1 -1 - 1 6.00 1 1 -1 1 -1 -1 82.06 -1 -1 1 1 -1 -1 7.10 1 -1 1 -1 -1 1 84.34 -1 1 1 -1 1 -1 2.10 1 1 1 1 1 1 50.46

(19)

Struktur Alias Pengaruh Faktor

A = APQS = AQRT = APRU = APRST = APQTU = AQRSU 12.87 B = BPQS = BQRT = BPRU = BPRST = BPQTU = BQRSU 3.14

P = QS = PQRT = RU =PRST = QTU = PQRSU 28.82

Q = PS = RT = PQRU = PQRST = PTU = RSU 0.80

R = PQRS = QT = PU = PST = PQRTU = QSU 1.81

S = PQ = QRST = PRSU = PRT = PQSTU = QRU 0.92

T = PQST = QR = PRTU = PRS = PQT = QRSTU -26.53

U = PQSU = QRTU = PR = PRSTU = PQT = QRS 1.59

AB = ABPQS = ABQRT = ABPRU = ABPRST = ABPQTU = ABQRSU 2.44

PT = QST = PQR = RUT = RS = QU = PQRSTU -9.98

AP = AQS = APQRT = ARU = ARST = AQTU = APQRSU 27.84 AQ = APS = ART = APQRU = APQRST = APTU = ARSU 0.22 AR = APQRS = AQT = APU = APST = APQRTU = AQSU 0.15 AS = APQ = AQRST = APRSU = APRT = APQSTU = AQRU 1.57 AT = APQST = AQR = APRTU = APRS = APQU = AQRSTU 5.87 AU = APQSU = AQRTU = APR = APRSTU = APQT = AQRS 0.84 BP = BQS = BPQRT = BRU = BRST = BQTU = BPQRSU 2.59 BQ = BPS = BRT = BPQRU = BPQRST = BPTU = BRSU -0.13 BR = BPQRS = BQT = BPU = BPST = BPQRTU = BQSU 0.74 BS = BPQ = BQRST = BPRSU = BPRT = BPQSTU = BQRU 0.77 BT = BPQST = BQR = BPRTU = BPRS = BPQU = BQRSTU 0.17 BU = BPQSU = BQRTU = BPR = BPRSTU = BPQT = BQRS 1.29 ABP = ABQS = ABPQRT = ABRU = ABRST = ABQTU = ABPQRSU -0.98 ABQ = ABPS = ABRT = ABPQRU = ABPQRST = ABPTU = ABRSU 0.49 ABR = ABPQRS = ABQT = ABPU = ABPST = ABPQRTU = ABQSU 0.37 ABS = ABPQ = ABQRST = ABPRSU = ABPRT = ABAQTU = ABQRU 0.67 ABT = ABPQST = ABQR = ABPRTU = ABPRS = ABPQU = ABQRSTU -0.33 ABU = ABPQSU = ABQRTU = ABPR = ABSTU = ABPQT = ABQRS 0.79 APT = AQST = APQR = ARTU = ARS = AQU = APQRSTU -9.16 BPT = BQST = BPQR = BRTU = BRS = BQU = BPQRSTU -0.83 ABPT = ABQST = ABPQR = ABRTU = ABRS = ABQU = ABPQRSTU 1.59

(20)

Lampiran 11. Hasil analisis regresi dengan metode forward selection untuk

percobaan pada contoh kasus rancangan FFSP

Tahap 1 : Pengaruh faktor P masuk ke dalam model, R

2

model = 30.37%

Analysis of Variance Source DF Sum of Squares Mean Square F Value P r > F Model 1 6644.1628 6644.1628 13.08 0.0011 Error 30 15236.0000 507.8628 Corrected Total 31 21880.0000 Variable Parameter Estimate Standard Error Type II SS F Value P r > F Intercept 25.2344 3.9838 20377 .0000 40.12 <.0001 P 14.4094 3.9838 6644 .1628 13.08 0.0011

Tahap 2 : Pengaruh faktor AP masuk ke dalam model, R

2

model = 58.71%

Analysis of Variance Source DF Sum of Squares Mean Square F Value P r > F Model 2 12846.0000 6423.1791 20.62 <.0001 Error 29 9033.6877 311.5065 Corrected Total 31 21880.0000 Variable Parameter Estimate Standard Error Type II SS F Value P r > F Intercept 25.2344 3.12003 20377 .0000 65.41 <.0001 P 14.4094 3.12003 6644.1628 21.33 <.0001 AP 13.9219 3.12003 6202.1953 19.91 0.0001

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Tahap 3 : Pengaruh faktor T masuk ke dalam model, R

2

model = 84.45%

Analysis of Variance Source DF Sum of Squares Mean Square F Value P r > F Model 3 18478.0000 6159.2053 50.69 <.0001 Error 28 3402.4298 121.5153 Corrected Total 31 21880.0000 Variable Parameter Estimate Standard Error Type II SS F Value P r > F Intercept 25.2344 1.94868 20377 .0000 167.69 <.0001 P 14.4094 1.94868 6644.1628 54.68 <.0001 T -13.2656 1.94868 5631.2578 46.34 <.0001 AP 13.9219 1.94868 6202.1953 51.04 <.0001

Tahap 4 : Pengaruh faktor A masuk ke dalam model, R

2

model = 90.5%

Analysis of Variance Source DF Sum of Squares Mean Square F Value P r > F Model 4 19802.0000 4950.613 4 64.34 <.0001 Error 27 2077.5920 76.9478 Corrected Total 31 21880.0000 Variable Parameter Estimate Standard Error Type II SS F Value P r > F Intercept 25.2344 1.5507 20377 .0000 264.81 <.0001 A 6.4344 1.5507 1324.8378 17.22 0.0003 P 14.4094 1.5507 6644.1628 86.35 <.0001 T -13.2656 1.5507 5631.2578 73.18 <.0001 AP 13.9219 1.5507 6202.1953 80.60 <.0001

(22)

Lampiran 11 (Lanjutan).

Tahap 5 : Pengaruh faktor PT masuk ke dalam model, R

2

model = 94.15%

Analysis of Variance Source DF Sum of Squares Mean Square F Value Pr > F Model 5 20599.0000 4119.8913 83.65 <.0001 Error 26 1280.5 892 49.2534 Corrected Total 31 21880.0000 Variable Parameter Estimate Standard Error Type II SS F Value P r > F Intercept 25.2344 1.2406 20377 .0000 413.71 <.0001 A 6.4344 1.2406 1324.8378 26.90 <.0001 P 14.4094 1.2406 6644.1628 134.90 <.0001 T -13.2656 1.2406 5631.2578 114.33 <.0001 PT -4.9906 1.2406 797.0028 16.18 0.0004 AP 13.9219 1.2406 6202.1953 125.92 <.0001

(23)

Tahap 6 : Pengaruh faktor AT masuk ke dalam model, R

2

model = 95.41%

Analysis of Variance Source DF Sum of Squares Mean Square F Value P r > F Model 6 20875.0000 3479.1657 86.54 <.0001 Error 25 1005.0514 40.2021 Corrected Total 31 21880.0000 Variable Parameter Estimate Standard Error Type II SS F Value P r > F Intercept 25.2344 1.1208 20377 .0000 506.86 <.0001 A 6.4344 1.1208 1324.8378 32.95 <.0001 P 14.4094 1.1208 6644.1628 165.27 <.0001 T -13.2656 1.1208 5631.2578 140.07 <.0001 PT -4.9906 1.1208 797.0028 19.82 0.0002 AP 13.9219 1.1208 6202.1953 154.28 <.0001 AT 2.9344 1.1208 275.5378 6.85 0.0148 No other variable met the 0.0500 significance level for entry into the model.

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