Tabel 3.6 Perhitungan Bobot W
j
baru
Wjbaru = Wjlama + α [x - Wjlama] w1
60.800+0.045[76-60.800] 61.48400
w2 98.700+0.045[112-98.700]
99.29850 w3
106.500+0.045[116-106.500] 106.92750
w4 93.550+0.045[123-93.550]
94.87525 w5
73.700+0.045[68-73.700] 73.44350
w6 95.850+0.045[93-95.800]
95.72175 w7
99.700+0.045[94-99.700] 99.44350
w8 94.550+0.045[105-94.550]
95.02025 w9
89.600+0.045[82-89.600] 89.25800
w10 104.800+0.045[101-104.800]
104.62900 w11
113.800+0.045[110-113.800] 113.62900
w12 106.400+0.045[114-106.400]
106.74200 w13
65.700+0.045[79-65.700] 66.29850
w14 81.600+0.045[93-81.600]
82.11300 w15
101.550+0.045[112-101.550] 102.02025
w16 97.050+0.045[117-97.050]
97.94775
Hitung perubahan nilai rasio, seperti berikut:
� � = 0.045−0.10.045 = 0.0405
Epoch ke-3: Data ke-1
76, 112, 116, 123, 68, 93, 94, 105, 82, 101, 110, 114, 79, 93, 112, 117
Hitung jarak Cj terhadap bobot awal w, seperti terlihat pada Tabel 3.7:
Tabel 3.7 Perhitungan Jarak Cj
X W
j
lama x-w baru
2
√ � 76
61.48400 210.71426
47.80958 112
99.29850 161.32810
116 106.92750
82.31026 123
94.87525 791.00156
68 73.44350
29.63169 93
95.72175 7.40792
94 99.44350
29.63169 105
95.02025 99.59541
82 89.25800
52.67856 101
104.62900 13.16964
110 113.62900
13.16964 114
106.74200 52.67856
79 66.29850
161.32810
93 82.11300
118.52677 112
102.02025 99.59541
117 97.94775
362.98823
Hitung bobot baru berdasarkan jarak terkecil
Hitung bobot w baru berdasarkan jarak terkecil dengan � � = 0.0405 , seperti
telihat pada Tabel 3.8
Tabel 3.8 Perhitungan Bobot W
j
baru
Dilakukan perhitungan perubahan nilai rasio, seperti berikut:
� = 0.0405−0.10.0405 = 0.03645
Epoch ke-4: Data ke-1
76, 112, 116, 123, 68, 93, 94, 105, 82, 101, 110, 114, 79, 93, 112, 117
Hitung jarak Cj terhadap bobot awal w, seperti terlihat pada Tabel 3.9:
Tabel 3.9 Perhitungan Jarak Cj
X w baru
x-w baru
2
√ � 76
62.0719 193.992
45.87329 112
99.81291 148.5251
116 107.2949
75.77813 123
96.0143 728.2279
68 73.22304
27.28013 93
95.61152 6.82003
94 99.22304
27.28013 105
95.42443 91.69154
Wjbaru = Wjlama + α [x - Wjlama] w1
61.48400+0.0405[76-61.48400] 62.07190
w2 99.29850+0.0405[112-99.29850]
99.81291 w3
106.9750+0.0405[116-106.9750] 107.29494
w4 94.87525+0.0405[123-94.87525]
96.01430 w5
73.44350+0.0405[68-73.44350] 73.22304
w6 95.72175+0.0405[93-95.72175]
95.61152 w7
99.44350+0.0405[94-99.44350] 99.22304
w8 95.02025+0.0405[105-95.02025]
95.42443 w9
89.25800+0.0405[82-89.25800] 88.96405
w10 104.62900+0.0405[101-104.62900]
104.48203 w11
113.62900+0.0405[110-113.62900] 113.48203
w12 106.74200+0.0405[114-106.74200]
107.03595 w13
66.29850+0.0405[79-66.29850] 66.81291
w14 82.11300+0.0405[93-82.11300]
82.55392 w15
102.02025+0.0405[112-102.02025] 102.42443
w16 97.94775+0.0405[117-97.94775]
98.71937
82 88.96405
48.49801 101
104.482 12.1245
110 113.482
12.1245 114
107.036 48.49801
79 66.81291
148.5251 93
82.55392 109.1205
112 102.4244
91.69154 117
98.71937 334.1816
Hitung bobot baru berdasarkan jarak terkecil
Hitung bobot w baru berdasarkan jarak terkecil dengan � � = 0.03645 ,
seperti telihat pada Tabel 3.10
Tabel 3.10 Perhitungan Bobot W
j
baru
Wjbaru = Wjlama + α [x - Wjlama] w1
62.07190+0.03645[76-62.07190] 62.63599
w2 99.81291+0.03645[112-99.81291]
100.30649 w3
107.29494+0.03645[116-107.29494] 107.64749
w4 96.01430+0.03645[123-96.01430]
97.10722 w5
73.22304+0.03645[68-73.22304] 73.01151
w6 95.61152+0.03645[93-95.61152]
95.50575 w7
99.22304+0.03645[94-99.22304] 99.01151
w8 95.42443+0.03645[105-95.42443]
95.81224 w9
88.96405+0.03645[82-88.96405] 88.68201
w10 104.48203+0.03645[101-104.48203]
104.34100 w11
113.48203+0.03645[110-113.48203] 113.34100
w12 107.03595+0.03645[114-107.03595]
107.31799 w13
66.81291+0.03645[79-66.81291] 67.30649
w14 82.55392+0.03645[93-82.55392]
82.97699 w15
102.42443+0.03645[112-102.42443] 102.81224
w16 98.71937+0.03645[1170-98.71937]
99.45973
Dilakukan perhitungan perubahan nilai rasio, seperti berikut:
� = 0.03645−0.10.3645 = 0.03281
2. Pengujian Learning Vector Quantization
Proses Pengujian dengan metode Learning Vector Quantization menggunakan rumus yang sama dengan perhitungan bobot pada proses pelatihan. Berikut ini langkah-
langkahnya:
