Fuzzy SAW: Contoh Perhitungan dan Perangkingan
Diterbitkan 05 July 2022
Contoh perhitungan Sistem Pendukung Keputusan (SPK) metode Fuzzy Simple Additive Weighting (SAW).
Untuk memahami dasar normalisasi dan pembobotan sebelum pendekatan fuzzy, lihat metode SAW. Sebagai pembanding metode SPK lain, lihat juga Fuzzy AHP dan TOPSIS.
Daftar Isi
Menyiapkan Data
Data Kriteria
Berikut adalah data kriteria penilaian.
| Kode | Nama | Atribut | Bobot |
|---|---|---|---|
| C1 | Penjualan Produk Merek | benefit | 0.1 |
| C2 | Sales Revenue | benefit | 0.3 |
| C3 | Distribution Development | benefit | 0.2 |
| C4 | Ketidakhadiran | cost | 0.25 |
| C5 | Keluhan Toko | benefit | 0.15 |
Atribut benefit artinya, semakin besar nilainya semakin bagus, sedangkan atribut cost artinya semakin kecil nilainya semakin bagus.
Data Crisp
Crisp merupakan pilihan nilai setiap kriteria. Crisp dalam kriteria bisa sama, bisa berbeda. Dalam kasus ini, crisp dibuat sama untuk setiap kriteria. Setiap crisp memiliki 3 nilai himpunan fuzzy yaitu Low (L), Medium (M), dan High (U).
Masing-masing nilai fuzzy untuk crisp sebagai berikut.
| Kode | L | M | U |
|---|---|---|---|
| SK | 0.1 | 0.1 | 0.25 |
| K | 0.1 | 0.25 | 0.5 |
| C | 0.25 | 0.5 | 0.75 |
| B | 0.5 | 0.75 | 1 |
| SB | 0.75 | 1 | 1 |
Data Nilai Alternatif
Berikut adalah contoh data penilaian alternatif untuk masing-masing kriteria.
| Kode | Nama | Penjualan Produk Merek | Sales Revenue | Distribution Development | Ketidakhadiran | Keluhan Toko |
|---|---|---|---|---|---|---|
| A1 | Hanna | B | K | C | B | SK |
| A2 | Laurence | C | B | K | SK | C |
| A3 | Elizabeth | B | K | K | B | SB |
| A4 | Victoria | C | C | C | B | B |
| A5 | Patricio | C | B | SB | B | C |
Perhitungan Fuzzy SAW
Menampilkan Nilai Alternatif Dalam LMU
Tahap ini menampilkan nilai alternatif dalam bentuk LMU sesuai data crisp. Hasilnya sebagai berikut.
| Kode | C1 | C2 | C3 | C4 | C5 | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| L | M | U | L | M | U | L | M | U | L | M | U | L | M | U | |
| A1 | 0.5 | 0.75 | 1 | 0.1 | 0.25 | 0.5 | 0.25 | 0.5 | 0.75 | 0.5 | 0.75 | 1 | 0.1 | 0.1 | 0.25 |
| A2 | 0.25 | 0.5 | 0.75 | 0.5 | 0.75 | 1 | 0.1 | 0.25 | 0.5 | 0.1 | 0.1 | 0.25 | 0.25 | 0.5 | 0.75 |
| A3 | 0.5 | 0.75 | 1 | 0.1 | 0.25 | 0.5 | 0.1 | 0.25 | 0.5 | 0.5 | 0.75 | 1 | 0.75 | 1 | 1 |
| A4 | 0.25 | 0.5 | 0.75 | 0.25 | 0.5 | 0.75 | 0.25 | 0.5 | 0.75 | 0.5 | 0.75 | 1 | 0.5 | 0.75 | 1 |
| A5 | 0.25 | 0.5 | 0.75 | 0.5 | 0.75 | 1 | 0.75 | 1 | 1 | 0.5 | 0.75 | 1 | 0.25 | 0.5 | 0.75 |
Menghitung Nilai Min & Max
Tahap ini adalah mencari nilai terkecil (min) dan nilai terbesar (max) dari LMU setiap nilai alternatif pada setiap kriteria. Perhitungannya seperti berikut.
- Kriteria Penjualan Produk Merek
- Max nilai L :
max(0.5, 0.25, 0.5, 0.25, 0.25)= 0.5 Min nilai L :min(0.5, 0.25, 0.5, 0.25, 0.25)= 0.25 - Max nilai M :
max(0.75, 0.5, 0.75, 0.5, 0.5)= 0.75 Min nilai M :min(0.75, 0.5, 0.75, 0.5, 0.5)= 0.5 - Max nilai U :
max(1, 0.75, 1, 0.75, 0.75)= 1 Min nilai U :min(1, 0.75, 1, 0.75, 0.75)= 0.75
- Max nilai L :
- Kriteria Sales Revenue
- Max nilai L :
max(0.1, 0.5, 0.1, 0.25, 0.5)= 0.5 Min nilai L :min(0.1, 0.5, 0.1, 0.25, 0.5)= 0.1 - Max nilai M :
max(0.25, 0.75, 0.25, 0.5, 0.75)= 0.75 Min nilai M :min(0.25, 0.75, 0.25, 0.5, 0.75)= 0.25 - Max nilai U :
max(0.5, 1, 0.5, 0.75, 1)= 1 Min nilai U :min(0.5, 1, 0.5, 0.75, 1)= 0.5
- Max nilai L :
- Kriteria Distribution Development
- Max nilai L :
max(0.25, 0.1, 0.1, 0.25, 0.75)= 0.75 Min nilai L :min(0.25, 0.1, 0.1, 0.25, 0.75)= 0.1 - Max nilai M :
max(0.5, 0.25, 0.25, 0.5, 1)= 1 Min nilai M :min(0.5, 0.25, 0.25, 0.5, 1)= 0.25 - Max nilai U :
max(0.75, 0.5, 0.5, 0.75, 1)= 1 Min nilai U :min(0.75, 0.5, 0.5, 0.75, 1)= 0.5
- Max nilai L :
- Kriteria Ketidakhadiran
- Max nilai L :
max(0.5, 0.1, 0.5, 0.5, 0.5)= 0.5 Min nilai L :min(0.5, 0.1, 0.5, 0.5, 0.5)= 0.1 - Max nilai M :
max(0.75, 0.1, 0.75, 0.75, 0.75)= 0.75 Min nilai M :min(0.75, 0.1, 0.75, 0.75, 0.75)= 0.1 - Max nilai U :
max(1, 0.25, 1, 1, 1)= 1 Min nilai U :min(1, 0.25, 1, 1, 1)= 0.25
- Max nilai L :
- Kriteria Keluhan Toko
- Max nilai L :
max(0.1, 0.25, 0.75, 0.5, 0.25)= 0.75 Min nilai L :min(0.1, 0.25, 0.75, 0.5, 0.25)= 0.1 - Max nilai M :
max(0.1, 0.5, 1, 0.75, 0.5)= 1 Min nilai M :min(0.1, 0.5, 1, 0.75, 0.5)= 0.1 - Max nilai U :
max(0.25, 0.75, 1, 1, 0.75)= 1 Min nilai U :min(0.25, 0.75, 1, 1, 0.75)= 0.25
- Max nilai L :
Hasilnya seperti berikut.
| Kode | C1 | C2 | C3 | C4 | C5 | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| L | M | U | L | M | U | L | M | U | L | M | U | L | M | U | |
| Min | 0.25 | 0.5 | 0.75 | 0.1 | 0.25 | 0.5 | 0.1 | 0.25 | 0.5 | 0.1 | 0.1 | 0.25 | 0.1 | 0.1 | 0.25 |
| Max | 0.5 | 0.75 | 1 | 0.5 | 0.75 | 1 | 0.75 | 1 | 1 | 0.5 | 0.75 | 1 | 0.75 | 1 | 1 |
Normalisasi
Rumus normalisasi metode SAW adalah:
Untuk metode fuzzy SAW dengan LMU, maka LMU dibandingkan dengan max(U) untuk benefit dan min (L) untuk cost. Detail seperti berikut.
- Alternatif A1 (Hanna)
- Kriteria Penjualan Produk Merek
- Karena benefit, maka rij = A1_C1_L / max_C1_U = 0.5 / 1 = 0.5
- Karena benefit, maka rij = A1_C1_M / max_C1_U = 0.75 / 1 = 0.75
- Karena benefit, maka rij = A1_C1_U / max_C1_U = 1 / 1 = 1
- Kriteria Sales Revenue
- Karena benefit, maka rij = A1_C2_L / max_C2_U = 0.1 / 1 = 0.1
- Karena benefit, maka rij = A1_C2_M / max_C2_U = 0.25 / 1 = 0.25
- Karena benefit, maka rij = A1_C2_U / max_C2_U = 0.5 / 1 = 0.5
- Kriteria Distribution Development
- Karena benefit, maka rij = A1_C3_L / max_C3_U = 0.25 / 1 = 0.25
- Karena benefit, maka rij = A1_C3_M / max_C3_U = 0.5 / 1 = 0.5
- Karena benefit, maka rij = A1_C3_U / max_C3_U = 0.75 / 1 = 0.75
- Kriteria Ketidakhadiran
- Karena cost, maka rij = min_C4_L / A1_C4_L = 0.1 / 0.5 = 0.2
- Karena cost, maka rij = min_C4_L / A1_C4_M = 0.1 / 0.75 = 0.1333
- Karena cost, maka rij = min_C4_L / A1_C4_U = 0.1 / 1 = 0.1
- Kriteria Keluhan Toko
- Karena benefit, maka rij = A1_C5_L / max_C5_U = 0.1 / 1 = 0.1
- Karena benefit, maka rij = A1_C5_M / max_C5_U = 0.1 / 1 = 0.1
- Karena benefit, maka rij = A1_C5_U / max_C5_U = 0.25 / 1 = 0.25
- Kriteria Penjualan Produk Merek
- Alternatif A2 (Laurence)
- Kriteria Penjualan Produk Merek
- Karena benefit, maka rij = A2_C1_L / max_C1_U = 0.25 / 1 = 0.25
- Karena benefit, maka rij = A2_C1_M / max_C1_U = 0.5 / 1 = 0.5
- Karena benefit, maka rij = A2_C1_U / max_C1_U = 0.75 / 1 = 0.75
- Kriteria Sales Revenue
- Karena benefit, maka rij = A2_C2_L / max_C2_U = 0.5 / 1 = 0.5
- Karena benefit, maka rij = A2_C2_M / max_C2_U = 0.75 / 1 = 0.75
- Karena benefit, maka rij = A2_C2_U / max_C2_U = 1 / 1 = 1
- Kriteria Distribution Development
- Karena benefit, maka rij = A2_C3_L / max_C3_U = 0.1 / 1 = 0.1
- Karena benefit, maka rij = A2_C3_M / max_C3_U = 0.25 / 1 = 0.25
- Karena benefit, maka rij = A2_C3_U / max_C3_U = 0.5 / 1 = 0.5
- Kriteria Ketidakhadiran
- Karena cost, maka rij = min_C4_L / A2_C4_L = 0.1 / 0.1 = 1
- Karena cost, maka rij = min_C4_L / A2_C4_M = 0.1 / 0.1 = 1
- Karena cost, maka rij = min_C4_L / A2_C4_U = 0.1 / 0.25 = 0.4
- Kriteria Keluhan Toko
- Karena benefit, maka rij = A2_C5_L / max_C5_U = 0.25 / 1 = 0.25
- Karena benefit, maka rij = A2_C5_M / max_C5_U = 0.5 / 1 = 0.5
- Karena benefit, maka rij = A2_C5_U / max_C5_U = 0.75 / 1 = 0.75
- Kriteria Penjualan Produk Merek
- Alternatif A3 (Elizabeth)
- Kriteria Penjualan Produk Merek
- Karena benefit, maka rij = A3_C1_L / max_C1_U = 0.5 / 1 = 0.5
- Karena benefit, maka rij = A3_C1_M / max_C1_U = 0.75 / 1 = 0.75
- Karena benefit, maka rij = A3_C1_U / max_C1_U = 1 / 1 = 1
- Kriteria Sales Revenue
- Karena benefit, maka rij = A3_C2_L / max_C2_U = 0.1 / 1 = 0.1
- Karena benefit, maka rij = A3_C2_M / max_C2_U = 0.25 / 1 = 0.25
- Karena benefit, maka rij = A3_C2_U / max_C2_U = 0.5 / 1 = 0.5
- Kriteria Distribution Development
- Karena benefit, maka rij = A3_C3_L / max_C3_U = 0.1 / 1 = 0.1
- Karena benefit, maka rij = A3_C3_M / max_C3_U = 0.25 / 1 = 0.25
- Karena benefit, maka rij = A3_C3_U / max_C3_U = 0.5 / 1 = 0.5
- Kriteria Ketidakhadiran
- Karena cost, maka rij = min_C4_L / A3_C4_L = 0.1 / 0.5 = 0.2
- Karena cost, maka rij = min_C4_L / A3_C4_M = 0.1 / 0.75 = 0.1333
- Karena cost, maka rij = min_C4_L / A3_C4_U = 0.1 / 1 = 0.1
- Kriteria Keluhan Toko
- Karena benefit, maka rij = A3_C5_L / max_C5_U = 0.75 / 1 = 0.75
- Karena benefit, maka rij = A3_C5_M / max_C5_U = 1 / 1 = 1
- Karena benefit, maka rij = A3_C5_U / max_C5_U = 1 / 1 = 1
- Kriteria Penjualan Produk Merek
- Alternatif A4 (Victoria)
- Kriteria Penjualan Produk Merek
- Karena benefit, maka rij = A4_C1_L / max_C1_U = 0.25 / 1 = 0.25
- Karena benefit, maka rij = A4_C1_M / max_C1_U = 0.5 / 1 = 0.5
- Karena benefit, maka rij = A4_C1_U / max_C1_U = 0.75 / 1 = 0.75
- Kriteria Sales Revenue
- Karena benefit, maka rij = A4_C2_L / max_C2_U = 0.25 / 1 = 0.25
- Karena benefit, maka rij = A4_C2_M / max_C2_U = 0.5 / 1 = 0.5
- Karena benefit, maka rij = A4_C2_U / max_C2_U = 0.75 / 1 = 0.75
- Kriteria Distribution Development
- Karena benefit, maka rij = A4_C3_L / max_C3_U = 0.25 / 1 = 0.25
- Karena benefit, maka rij = A4_C3_M / max_C3_U = 0.5 / 1 = 0.5
- Karena benefit, maka rij = A4_C3_U / max_C3_U = 0.75 / 1 = 0.75
- Kriteria Ketidakhadiran
- Karena cost, maka rij = min_C4_L / A4_C4_L = 0.1 / 0.5 = 0.2
- Karena cost, maka rij = min_C4_L / A4_C4_M = 0.1 / 0.75 = 0.1333
- Karena cost, maka rij = min_C4_L / A4_C4_U = 0.1 / 1 = 0.1
- Kriteria Keluhan Toko
- Karena benefit, maka rij = A4_C5_L / max_C5_U = 0.5 / 1 = 0.5
- Karena benefit, maka rij = A4_C5_M / max_C5_U = 0.75 / 1 = 0.75
- Karena benefit, maka rij = A4_C5_U / max_C5_U = 1 / 1 = 1
- Kriteria Penjualan Produk Merek
- Alternatif A5 (Patricio)
- Kriteria Penjualan Produk Merek
- Karena benefit, maka rij = A5_C1_L / max_C1_U = 0.25 / 1 = 0.25
- Karena benefit, maka rij = A5_C1_M / max_C1_U = 0.5 / 1 = 0.5
- Karena benefit, maka rij = A5_C1_U / max_C1_U = 0.75 / 1 = 0.75
- Kriteria Sales Revenue
- Karena benefit, maka rij = A5_C2_L / max_C2_U = 0.5 / 1 = 0.5
- Karena benefit, maka rij = A5_C2_M / max_C2_U = 0.75 / 1 = 0.75
- Karena benefit, maka rij = A5_C2_U / max_C2_U = 1 / 1 = 1
- Kriteria Distribution Development
- Karena benefit, maka rij = A5_C3_L / max_C3_U = 0.75 / 1 = 0.75
- Karena benefit, maka rij = A5_C3_M / max_C3_U = 1 / 1 = 1
- Karena benefit, maka rij = A5_C3_U / max_C3_U = 1 / 1 = 1
- Kriteria Ketidakhadiran
- Karena cost, maka rij = min_C4_L / A5_C4_L = 0.1 / 0.5 = 0.2
- Karena cost, maka rij = min_C4_L / A5_C4_M = 0.1 / 0.75 = 0.1333
- Karena cost, maka rij = min_C4_L / A5_C4_U = 0.1 / 1 = 0.1
- Kriteria Keluhan Toko
- Karena benefit, maka rij = A5_C5_L / max_C5_U = 0.25 / 1 = 0.25
- Karena benefit, maka rij = A5_C5_M / max_C5_U = 0.5 / 1 = 0.5
- Karena benefit, maka rij = A5_C5_U / max_C5_U = 0.75 / 1 = 0.75
- Kriteria Penjualan Produk Merek
Hasilnya seperti berikut.
| Kode | C1 | C2 | C3 | C4 | C5 | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| L | M | U | L | M | U | L | M | U | L | M | U | L | M | U | |
| A1 | 0.5 | 0.75 | 1 | 0.1 | 0.25 | 0.5 | 0.25 | 0.5 | 0.75 | 0.2 | 0.1333 | 0.1 | 0.1 | 0.1 | 0.25 |
| A2 | 0.25 | 0.5 | 0.75 | 0.5 | 0.75 | 1 | 0.1 | 0.25 | 0.5 | 1 | 1 | 0.4 | 0.25 | 0.5 | 0.75 |
| A3 | 0.5 | 0.75 | 1 | 0.1 | 0.25 | 0.5 | 0.1 | 0.25 | 0.5 | 0.2 | 0.1333 | 0.1 | 0.75 | 1 | 1 |
| A4 | 0.25 | 0.5 | 0.75 | 0.25 | 0.5 | 0.75 | 0.25 | 0.5 | 0.75 | 0.2 | 0.1333 | 0.1 | 0.5 | 0.75 | 1 |
| A5 | 0.25 | 0.5 | 0.75 | 0.5 | 0.75 | 1 | 0.75 | 1 | 1 | 0.2 | 0.1333 | 0.1 | 0.25 | 0.5 | 0.75 |
Normalisasi Terbobot
Normalisasi terbobot diperoleh dengan mengalikan normalisasi dengan bobot kriteria. Perhitungannya sebagai berikut
- Alternatif A1 Hanna
- Kriteria C1 Penjualan Produk Merek
- L = 0.5 * 0.1 = 0.05
- M = 0.75 * 0.1 = 0.075
- U = 1 * 0.1 = 0.1
- Kriteria C2 Sales Revenue
- L = 0.1 * 0.3 = 0.03
- M = 0.25 * 0.3 = 0.075
- U = 0.5 * 0.3 = 0.15
- Kriteria C3 Distribution Development
- L = 0.25 * 0.2 = 0.05
- M = 0.5 * 0.2 = 0.1
- U = 0.75 * 0.2 = 0.15
- Kriteria C4 Ketidakhadiran
- L = 0.2 * 0.25 = 0.05
- M = 0.1333 * 0.25 = 0.0333
- U = 0.1 * 0.25 = 0.025
- Kriteria C5 Keluhan Toko
- L = 0.1 * 0.15 = 0.015
- M = 0.1 * 0.15 = 0.015
- U = 0.25 * 0.15 = 0.0375
- Kriteria C1 Penjualan Produk Merek
- Alternatif A2 Laurence
- Kriteria C1 Penjualan Produk Merek
- L = 0.25 * 0.1 = 0.025
- M = 0.5 * 0.1 = 0.05
- U = 0.75 * 0.1 = 0.075
- Kriteria C2 Sales Revenue
- L = 0.5 * 0.3 = 0.15
- M = 0.75 * 0.3 = 0.225
- U = 1 * 0.3 = 0.3
- Kriteria C3 Distribution Development
- L = 0.1 * 0.2 = 0.02
- M = 0.25 * 0.2 = 0.05
- U = 0.5 * 0.2 = 0.1
- Kriteria C4 Ketidakhadiran
- L = 1 * 0.25 = 0.25
- M = 1 * 0.25 = 0.25
- U = 0.4 * 0.25 = 0.1
- Kriteria C5 Keluhan Toko
- L = 0.25 * 0.15 = 0.0375
- M = 0.5 * 0.15 = 0.075
- U = 0.75 * 0.15 = 0.1125
- Kriteria C1 Penjualan Produk Merek
- Alternatif A3 Elizabeth
- Kriteria C1 Penjualan Produk Merek
- L = 0.5 * 0.1 = 0.05
- M = 0.75 * 0.1 = 0.075
- U = 1 * 0.1 = 0.1
- Kriteria C2 Sales Revenue
- L = 0.1 * 0.3 = 0.03
- M = 0.25 * 0.3 = 0.075
- U = 0.5 * 0.3 = 0.15
- Kriteria C3 Distribution Development
- L = 0.1 * 0.2 = 0.02
- M = 0.25 * 0.2 = 0.05
- U = 0.5 * 0.2 = 0.1
- Kriteria C4 Ketidakhadiran
- L = 0.2 * 0.25 = 0.05
- M = 0.1333 * 0.25 = 0.0333
- U = 0.1 * 0.25 = 0.025
- Kriteria C5 Keluhan Toko
- L = 0.75 * 0.15 = 0.1125
- M = 1 * 0.15 = 0.15
- U = 1 * 0.15 = 0.15
- Kriteria C1 Penjualan Produk Merek
- Alternatif A4 Victoria
- Kriteria C1 Penjualan Produk Merek
- L = 0.25 * 0.1 = 0.025
- M = 0.5 * 0.1 = 0.05
- U = 0.75 * 0.1 = 0.075
- Kriteria C2 Sales Revenue
- L = 0.25 * 0.3 = 0.075
- M = 0.5 * 0.3 = 0.15
- U = 0.75 * 0.3 = 0.225
- Kriteria C3 Distribution Development
- L = 0.25 * 0.2 = 0.05
- M = 0.5 * 0.2 = 0.1
- U = 0.75 * 0.2 = 0.15
- Kriteria C4 Ketidakhadiran
- L = 0.2 * 0.25 = 0.05
- M = 0.1333 * 0.25 = 0.0333
- U = 0.1 * 0.25 = 0.025
- Kriteria C5 Keluhan Toko
- L = 0.5 * 0.15 = 0.075
- M = 0.75 * 0.15 = 0.1125
- U = 1 * 0.15 = 0.15
- Kriteria C1 Penjualan Produk Merek
- Alternatif A5 Patricio
- Kriteria C1 Penjualan Produk Merek
- L = 0.25 * 0.1 = 0.025
- M = 0.5 * 0.1 = 0.05
- U = 0.75 * 0.1 = 0.075
- Kriteria C2 Sales Revenue
- L = 0.5 * 0.3 = 0.15
- M = 0.75 * 0.3 = 0.225
- U = 1 * 0.3 = 0.3
- Kriteria C3 Distribution Development
- L = 0.75 * 0.2 = 0.15
- M = 1 * 0.2 = 0.2
- U = 1 * 0.2 = 0.2
- Kriteria C4 Ketidakhadiran
- L = 0.2 * 0.25 = 0.05
- M = 0.1333 * 0.25 = 0.0333
- U = 0.1 * 0.25 = 0.025
- Kriteria C5 Keluhan Toko
- L = 0.25 * 0.15 = 0.0375
- M = 0.5 * 0.15 = 0.075
- U = 0.75 * 0.15 = 0.1125
- Kriteria C1 Penjualan Produk Merek
Hasilnya seperti berikut.
| Kode | C1 | C2 | C3 | C4 | C5 | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| L | M | U | L | M | U | L | M | U | L | M | U | L | M | U | |
| A1 | 0.05 | 0.075 | 0.1 | 0.03 | 0.075 | 0.15 | 0.05 | 0.1 | 0.15 | 0.05 | 0.0333 | 0.025 | 0.015 | 0.015 | 0.0375 |
| A2 | 0.025 | 0.05 | 0.075 | 0.15 | 0.225 | 0.3 | 0.02 | 0.05 | 0.1 | 0.25 | 0.25 | 0.1 | 0.0375 | 0.075 | 0.1125 |
| A3 | 0.05 | 0.075 | 0.1 | 0.03 | 0.075 | 0.15 | 0.02 | 0.05 | 0.1 | 0.05 | 0.0333 | 0.025 | 0.1125 | 0.15 | 0.15 |
| A4 | 0.025 | 0.05 | 0.075 | 0.075 | 0.15 | 0.225 | 0.05 | 0.1 | 0.15 | 0.05 | 0.0333 | 0.025 | 0.075 | 0.1125 | 0.15 |
| A5 | 0.025 | 0.05 | 0.075 | 0.15 | 0.225 | 0.3 | 0.15 | 0.2 | 0.2 | 0.05 | 0.0333 | 0.025 | 0.0375 | 0.075 | 0.1125 |
Rata-Rata LMU Terbobot
Tahap ini adalah menghitung rata-rata LMU dari setiap nilai alternatif setiap kriteria normalisasi terbobot. Langkahnya sebagai berikut.
- Alternatif A1 Hanna
- Kriteria C1 Penjualan Produk Merek = avg(0.05, 0.075, 0.1) = (0.05, 0.075, 0.1) / 3 = 0.075
- Kriteria C2 Sales Revenue = avg(0.03, 0.075, 0.15) = (0.03, 0.075, 0.15) / 3 = 0.085
- Kriteria C3 Distribution Development = avg(0.05, 0.1, 0.15) = (0.05, 0.1, 0.15) / 3 = 0.1
- Kriteria C4 Ketidakhadiran = avg(0.05, 0.0333, 0.025) = (0.05, 0.0333, 0.025) / 3 = 0.0361
- Kriteria C5 Keluhan Toko = avg(0.015, 0.015, 0.0375) = (0.015, 0.015, 0.0375) / 3 = 0.0225
- Alternatif A2 Laurence
- Kriteria C1 Penjualan Produk Merek = avg(0.025, 0.05, 0.075) = (0.025, 0.05, 0.075) / 3 = 0.05
- Kriteria C2 Sales Revenue = avg(0.15, 0.225, 0.3) = (0.15, 0.225, 0.3) / 3 = 0.225
- Kriteria C3 Distribution Development = avg(0.02, 0.05, 0.1) = (0.02, 0.05, 0.1) / 3 = 0.0567
- Kriteria C4 Ketidakhadiran = avg(0.25, 0.25, 0.1) = (0.25, 0.25, 0.1) / 3 = 0.2
- Kriteria C5 Keluhan Toko = avg(0.0375, 0.075, 0.1125) = (0.0375, 0.075, 0.1125) / 3 = 0.075
- Alternatif A3 Elizabeth
- Kriteria C1 Penjualan Produk Merek = avg(0.05, 0.075, 0.1) = (0.05, 0.075, 0.1) / 3 = 0.075
- Kriteria C2 Sales Revenue = avg(0.03, 0.075, 0.15) = (0.03, 0.075, 0.15) / 3 = 0.085
- Kriteria C3 Distribution Development = avg(0.02, 0.05, 0.1) = (0.02, 0.05, 0.1) / 3 = 0.0567
- Kriteria C4 Ketidakhadiran = avg(0.05, 0.0333, 0.025) = (0.05, 0.0333, 0.025) / 3 = 0.0361
- Kriteria C5 Keluhan Toko = avg(0.1125, 0.15, 0.15) = (0.1125, 0.15, 0.15) / 3 = 0.1375
- Alternatif A4 Victoria
- Kriteria C1 Penjualan Produk Merek = avg(0.025, 0.05, 0.075) = (0.025, 0.05, 0.075) / 3 = 0.05
- Kriteria C2 Sales Revenue = avg(0.075, 0.15, 0.225) = (0.075, 0.15, 0.225) / 3 = 0.15
- Kriteria C3 Distribution Development = avg(0.05, 0.1, 0.15) = (0.05, 0.1, 0.15) / 3 = 0.1
- Kriteria C4 Ketidakhadiran = avg(0.05, 0.0333, 0.025) = (0.05, 0.0333, 0.025) / 3 = 0.0361
- Kriteria C5 Keluhan Toko = avg(0.075, 0.1125, 0.15) = (0.075, 0.1125, 0.15) / 3 = 0.1125
- Alternatif A5 Patricio
- Kriteria C1 Penjualan Produk Merek = avg(0.025, 0.05, 0.075) = (0.025, 0.05, 0.075) / 3 = 0.05
- Kriteria C2 Sales Revenue = avg(0.15, 0.225, 0.3) = (0.15, 0.225, 0.3) / 3 = 0.225
- Kriteria C3 Distribution Development = avg(0.15, 0.2, 0.2) = (0.15, 0.2, 0.2) / 3 = 0.1833
- Kriteria C4 Ketidakhadiran = avg(0.05, 0.0333, 0.025) = (0.05, 0.0333, 0.025) / 3 = 0.0361
- Kriteria C5 Keluhan Toko = avg(0.0375, 0.075, 0.1125) = (0.0375, 0.075, 0.1125) / 3 = 0.075
Hasilnya seperti berikut.
| Kode | C1 | C2 | C3 | C4 | C5 |
|---|---|---|---|---|---|
| A1 | 0.075 | 0.085 | 0.1 | 0.0361 | 0.0225 |
| A2 | 0.05 | 0.225 | 0.0567 | 0.2 | 0.075 |
| A3 | 0.075 | 0.085 | 0.0567 | 0.0361 | 0.1375 |
| A4 | 0.05 | 0.15 | 0.1 | 0.0361 | 0.1125 |
| A5 | 0.05 | 0.225 | 0.1833 | 0.0361 | 0.075 |
Mencari Total Alternatif
Tahap ini adalah menjumlahkan nilai rata-rata setiap alternatif. Langkahnya sebagai berikut.
- Alternatif A1 Hanna = 0.075 + 0.085 + 0.1 + 0.0361 + 0.0225 = 0.3186
- Alternatif A2 Laurence = 0.05 + 0.225 + 0.0567 + 0.2 + 0.075 = 0.6067
- Alternatif A3 Elizabeth = 0.075 + 0.085 + 0.0567 + 0.0361 + 0.1375 = 0.3903
- Alternatif A4 Victoria = 0.05 + 0.15 + 0.1 + 0.0361 + 0.1125 = 0.4486
- Alternatif A5 Patricio = 0.05 + 0.225 + 0.1833 + 0.0361 + 0.075 = 0.5694
Alternatif kemudian dirangking berdasarkan total terbesar, hasilnya seperti berikut.
| Rank | Kode | Nama | Total |
|---|---|---|---|
| 1 | A2 | Laurence | 0.6067 |
| 2 | A5 | Patricio | 0.5694 |
| 3 | A4 | Victoria | 0.4486 |
| 4 | A3 | Elizabeth | 0.3903 |
| 5 | A1 | Hanna | 0.3186 |
Berdasarkan perhitungan, maka alternatif yang terpilih adalah Laurence dengan total nilai 0.6067.
Hasil tersebut berasal dari proses Fuzzy SAW pada data contoh di atas. Untuk membandingkan mekanisme perangkingannya dengan metode lain, pelajari SAW, Fuzzy AHP, dan TOPSIS.
Source Code Metode Fuzzy SAW
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