Minggu, 23 Maret 2014

sistem penunjang keputusan dengan menggunakan metode Bayes, MPE, CPI, dan AHP

Fokus                                    :  Pemilihan Smartphone Terbaik
Alternatif                            :  1. iPhone 5
                                                   2. Galaxy S 4
                                                   3. HTC One
                                                   4. Lumia 1020
                                                   5. Sony Xperia Z
Kriteria                                 :  1. Ukuran Layar
                                                   2. Tipe Layar
                                                   3. Kamera
                                                   4. Baterai
                                                   5. Berat
                                                   6. Harga
ALTERNATIF
KRITERIA
UKURAN LAYAR
TIPE LAYAR
KAMERA
BATERAI
BERAT
HARGA
iPhone 5
4.0 inches
326 ppi
8  MP
1440 mAh
3.9 oz
Rp. 7.850.000
Galaxy S4
5.0 inches
441 ppi
13 MP
2600 mAh
4.6 oz
Rp. 6.500.000
HTC One
4.7 inches
468 ppi
4  MP
2300 mAh
5.0 oz
Rp. 7.300.000
Lumia 1020
4.5 inches
334 ppi
41 MP
2300 mAh
5.5 oz
Rp. 6.990.000
Sony Xperia Z
5.0 inches
441 ppi
13 MP
2330 mAh
5.1 oz
Rp. 6.000.000

Metode Penilaian           :  1. Ukuran Layar (tren +)             (4,0 – 4,2) inches              = 1
                                                                                                                (4,3 – 4,4) inches              = 2
                                                                                                                (4,5 – 4,6) inches              = 3
                                                                                                                (4,7 – 4,8) inches              = 4
                                                                                                                (4,9 – 5,0) inches              = 5
                                                   2. Tipe Layar (tren +)                   (300 – 340) ppi                   = 1
                                                                                                                (341 – 380) ppi                   = 2
                                                                                                                (381 – 420) ppi                   = 3
                                                                                                                (421 – 460) ppi                   = 4
(461 – 500) ppi                   = 5
                                                   3. Kamera (tren +)                        (0 – 10) MP                         = 1
                                                                                                                (11 – 20) MP                       = 2
                                                                                                                (21 – 30) MP                       = 3
(31 – 40) MP                       = 4
(41 – 50) MP                       = 5
                                                   4. Baterai (tren +)                         (1000 – 1400) mAh           = 1
                                                                                                                (1401 – 1800) mAh           = 2
                                                                                                                (1801 – 2200) mAh           = 3
                                                                                                                (2201 – 2600) mAh           = 4
                                                                                                                (2601 – 3000) mAh           = 5
                                                   5. Berat (tren -)                              (3,0 – 3,6) oz                      = 5
                                                                                                                (3,7 – 4,2) oz                      = 4
                                                                                                                (4,3 – 4,8) oz                      = 3
                                                                                                                (4,9 – 5,4) oz                      = 2
                                                                                                                (5,5 – 6,0) oz                      = 1
                                                   6. Harga (tren -)                             Rp (6.000.000 – 6.400.000)            = 5
                                                                                                                Rp (6.500.000 – 6.800.000)            = 4
                                                                                                                Rp (6.900.000 – 7.200.000)            = 3
                                                                                                                Rp (7.300.000 – 7.600.000)            = 2
                                                                                                                Rp (7.700.000 – 8.000.000)            = 1

ALTERNATIF
KRITERIA
BOBOT
PERINGKAT
UKURAN LAYAR
TIPE LAYAR
KAMERA
BATERAI
BERAT
HARGA
BAYES
iPhone 5
1
1
1
2
4
1
1,5
5
Galaxy S4
5
4
2
4
3
4
3,6
2
HTC One
4
5
1
4
2
2
2,7
4
Lumia 1020
3
1
5
4
1
3
3,2
3
Sony Xperia Z
5
5
2
4
2
5
3,9
1
BOBOT BAYES
0.1
0.1
0.2
0.2
0.1
0.3
Nilai Alternatif  Bayes
1.       iPhone 5              : 1(0,1) + 1(0,1) + 1(0,2) + 2(0,2) + 4(0,1) + 1(0,3)
  0,1 + 0,1 + 0,2 + 0,4 + 0,4 + 0,3                                   = 1,5
2.       Galaxy S 4            : 5(0,1) + 4(0,1) + 2(0,2) + 4(0,2) + 3(0,1) + 4(0,3)
  0,5 + 0,4 + 0,4 + 0,8 + 0,3 + 1,2                                   = 3,6
3.       HTC One              : 4(0,1) + 5(0,1) + 1(0,2) + 4(0,2) + 2(0,1) + 2(0,3)
  0,4 + 0,5 + 0,2 + 0,8 + 0,2 + 0,6                                   = 2,7
4.       Lumia 1020          : 3(0,1) + 1(0,1) + 5(0,2) + 4(0,2) + 1(0,1) + 3(0,3)
  0,3 + 0,1 + 1,0 + 0,8 + 0,1 + 0,9                                   = 3,2
5.       Sony EXperia Z  : 5(0,1) + 5(0,1) + 2(0,2) + 4(0,2) + 2(0,1) + 5(0,3)
  0,5 + 0,5 +0,4 + 0,8 + 0,2 + 1,5                                    = 3,9
Kesimpulan        :  berdasarkan perhitungan diatas urutan smartphone terbaik adalah Sony Xperia Z, Galaxy S 4, Lumia 1020,
   HTC One dan iPhone 5S




ALTERNATIF
KRITERIA
BOBOT
PERINGKAT
UKURAN LAYAR
TIPE LAYAR
KAMERA
BATERAI
BERAT
HARGA
MPE
iPhone 5
1
1
1
2
4
1
12
5
Galaxy S4
5
4
2
4
3
4
96
2
HTC One
4
5
1
4
2
2
36
4
Lumia 1020
3
1
5
4
1
3
73
3
Sony Xperia Z
5
5
2
4
2
5
157
1
BOBOT MPE
1
1
2
2
1
3

Nilai Alternatif  MPE
1.       iPhone 5              : 11 + 11 + 12 + 22 + 41 + 13   =  1 + 1 + 1 + 4 + 4 + 1 = 12
2.       Galaxy S 4            : 51 + 41 + 22 + 42 + 31 + 43  =  5 + 4 + 4 + 16 + 3 + 64              = 96
3.       HTC One              : 41 + 51 + 12 + 42 + 21 + 23   =  4 + 5 + 1 + 16 + 2 + 8                = 36
4.       Lumia 1020          : 31 + 11 + 52 + 42 + 11 + 33   =  3 + 1 + 25 + 16 + 1 + 27           = 73
5.       Sony Xperia Z     : 51 + 51 + 22 + 42 + 21 + 53  =  5 + 5 + 4 + 16 +  2 + 125          = 157
Kesimpulan        :  berdasarkan perhitungan diatas urutan smartphone terbaik adalah Sony Xperia Z, Galaxy S 4, Lumia 1020,
   HTC One dan iPhone 5S


ALTERNATIF
KRITERIA
BOBOT
PERINGKAT
UKURAN LAYAR
TIPE LAYAR
KAMERA
BATERAI
BERAT
HARGA
ALTERNATIF
iPhone 5
4.0 inches
326 ppi
8  MP
1440 mAh
3.9 oz
Rp. 7.850.000


Galaxy S4
5.0 inches
441 ppi
13 MP
2600 mAh
4.6 oz
Rp. 6.500.000


HTC One
4.7 inches
468 ppi
4  MP
2300 mAh
5.0 oz
Rp. 7.300.000


Lumia 1020
4.5 inches
334 ppi
41 MP
2300 mAh
5.5 oz
Rp. 6.990.000


Sony Experia Z
5.0 inches
441 ppi
13 MP
2330 mAh
5.1 oz
Rp. 6.000.000


BOBOT KRITERIA
0.1
0.1
0.2
0.2
0.1
0.3


TREN :
+
+
+
+
-
-
ALTERNATIF
KRITERIA
BOBOT
PERINGKAT
UKURAN LAYAR
TIPE LAYAR
KAMERA
BATERAI
BERAT
HARGA
ALTERNATIF
iPhone 5
(4.0/4.0)*100
(326/326)*100
(8/4)*100
(1440/1440)*100
(3.9/3.9)*100
(6000000/7850000)*100
100
100
200
100
100
76.4
Galaxy S4
(5.0/4.0)*100
(441/326)*100
(13/4)*100
(2600/1440)*100
(3.9/4.6)*100
(6000000/6500000)*100
125
135.2
325
180.5
84.7
92.3
HTC One
(4.7/4.0)*100
(468/326)*100
(4/4)*100
(2300/1440)*100
(3.9/5.0)*100
(6000000/7300000)*100
117.5
143.5
100
159.7
78
82.2
Lumia 1020
(4.5/4.0)*100
(334/326)*100
(41/4)*100
(2300/1440)*100
(3.9/5.5)*100
(6000000/6990000)*100
112.5
102.4
1025
159.7
70.9
85.8
Sony Experia Z
(5.0/4.0)*100
(441/326)*100
(13/4)*100
(2330/1440)*100
(3.9/5.1)*100
(6000000/6000000)*100
125
135.2
325
161.8
76.4
100

Nilai Alternatif  CPI
1.       iPhone 5              :  100(0,1) + 100(0,1) + 200(0,2) + 100(0,2) + 100(0,1) + 76,4(0,3)
   10 + 10 + 40 + 20 + 10 + 22,9                                                                                      = 112,9
2.       Galaxy S 4            :  125(0,1) + 135,2(0,1) + 325(0,2) + 180,5(0,2) + 84,7(0,1) + 92,3(0,3)        
   12,5 + 13,5 + 65 + 36,1 + 8,5 + 27,7                                                                          = 163,3
3.       HTC One              :  117,5(0,1) + 143,5(0.1) + 100(0,2) + 159,7(0,2) + 78(0.1) + 82,2(0.3)        
   11,8 + 14,4 + 20 + 31,9 + 7,8 + 24,7                                                                          = 110,6
4.       Lumia 1020          :  112,5(0,1) + 102,4(0,1) +  1025(0,2) + 159,7(0,2) + 70,9(0,1) + 85,8(0,3) 
   11,3 + 10,2 + 205 + 31,9 + 7,1 + 25,7                                                                       = 291,2
5.       Sony Xperia Z     :  125(0,1) + 135,2(0,1) + 325(0,2) + 161,8(0,2) + 76,4(0,1) + 100(0,3)          
   12,5 + 13,5 + 65 + 32,4 + 7,6 + 30                                                                             = 161
Kesimpulan        :  berdasarkan perhitungan diatas urutan smartphone terbaik adalah Lumia 1020, Galaxy S4, Sony Xperia Z, iPhone 5, dan HTC One










HASIL AKHIR AHP
KRITERIA
ALTERNATIF
BOBOT
iPhone 5
Galaxy S4
HTC One
Lumia 1020
Sony Xperia Z
KRITERIA
UKURAN LAYAR
0.065
0.196
0.189
0.233
0.314
0.130
TIPE LAYAR
0.046
0.225
0.458
0.073
0.197
0.049
KAMERA
0.063
0.173
0.034
0.540
0.189
0.260
BATERAI
0.059
0.404
0.143
0.143
0.248
0.117
BERAT
0.468
0.206
0.152
0.065
0.104
0.030
HARGA
0.063
0.248
0.082
0.174
0.415
0.409

Nilai Alternatif AHP
1.       iPhone 5              :  0,065(0,130)+0,046(0,049)+0,063(0,260)+0,059(0,117)+0,468(0,030)+0,063(0,409)
   0,008+0,002+0,016+0,007+0,014+0,025                =  0,072
2.       Galaxy S4             :  0,196(0,130)+0,225(0,049)+0,173(0,260)+0,404(0,117)+0,206(0,030)+0,248(0,409)
   0,025+0,011+0,045+0,047+0,006+0,101                =  0,235
3.       HTC One              :  0,189(0,130)+0,458(0,049)+0,034(0,260)+0,143(0,117)+0,152(0,030)+0,082(0,409)
   0,025+0,022+0,009+0,017+0,005+0,034                =  0,112
4.       Lumia 1020          :  0,233(0,130)+0,073(0,049)+0,540(0,260)+0,143(0,117)+0,065(0,030)+0,174(0,409)
   0,030+0,004+0,140+0,017+0,002+0,071                =  0,264
5.       Sony Xperia Z     :  0,314(0,130)+0,197(0,049)+0,189(0,260)+0,248(0,117)+0,104(0,030)+0,415(0,409)
   0,041+0,009+0,049+0,029+0,003+0,169                =  0,300
Kesimpulan        :  berdasarkan perhitungan diatas urutan smartphone terbaik adalah Sony Xperia Z, Lumia 1020, Galaxy S4, HTC One dan iPhone 5


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