:::Catatannya The Echo:::: Bobot : Simple Additive Weighting (SAW) + Smart-C

Friday, August 22, 2025

Bobot : Simple Additive Weighting (SAW) + Smart-C

🎯 Studi Kasus: Evaluasi Pegawai dengan SMART-C

📌 Kriteria dan Bobot:

Kriteria Jenis Bobot
C1 – Kedisiplinan Benefit 0.2
C2 – Kualitas Kerja Benefit 0.3
C3 – Kerjasama Tim Benefit 0.2
C4 – Kehadiran Benefit 0.1
C5 – Waktu Penyelesaian Cost 0.2
Total 1.0

👤 Data Pegawai:

Pegawai Kedisiplinan (1–10) Kualitas Kerja (1–100) Kerjasama Tim (1–10) Kehadiran (%) Penyelesaian (hari)
A 9 85 8 95 4
B 7 90 9 98 5
C 8 80 7 92 3

✳️ Langkah 1: Skor Utility (0–100)

Kita konversi nilai aktual ke skala utility 0–100, berdasarkan min dan max tiap kriteria.

Rumus:

  • Benefit:

    Uij=xijxminxmaxxmin×100U_{ij} = \frac{x_{ij} - x_{\text{min}}}{x_{\text{max}} - x_{\text{min}}} \times 100
  • Cost:

    Uij=xmaxxijxmaxxmin×100U_{ij} = \frac{x_{\text{max}} - x_{ij}}{x_{\text{max}} - x_{\text{min}}} \times 100

🔢 Hasil Skor Utility:

Pegawai C1 (9–7) C2 (90–80) C3 (9–7) C4 (98–92) C5 (3–5) Cost
A (9–7)/(9–7) = 100 (85–80)/(10) = 50 (8–7)/2 = 50 (95–92)/6 = 50 (5–4)/2 = 50
B (7–7)/2 = 0 (90–80)/10 = 100 (9–7)/2 = 100 (98–92)/6 = 100 (5–5)/2 = 0
C (8–7)/2 = 50 (80–80)/10 = 0 (7–7)/2 = 0 (92–92)/6 = 0 (5–3)/2 = 100

(semua hasil dikalikan 100)


Pegawai C1 C2 C3 C4 C5
A 100 50 50 50 50
B 0 100 100 100 0
C 50 0 0 0 100

✳️ Langkah 2: Normalisasi Utility (0–1)

Bagi semua nilai dengan 100.

Pegawai C1 C2 C3 C4 C5
A 1.0 0.5 0.5 0.5 0.5
B 0.0 1.0 1.0 1.0 0.0
C 0.5 0.0 0.0 0.0 1.0

✳️ Langkah 3: Hitung Skor Akhir SMART-C

Gunakan:

Vi=(wjUij)V_i = \sum (w_j \cdot U_{ij})

Pegawai A:

VA=(0.21.0)+(0.30.5)+(0.20.5)+(0.10.5)+(0.20.5)=0.2+0.15+0.1+0.05+0.1=0.6V_A = (0.2 \cdot 1.0) + (0.3 \cdot 0.5) + (0.2 \cdot 0.5) + (0.1 \cdot 0.5) + (0.2 \cdot 0.5) = 0.2 + 0.15 + 0.1 + 0.05 + 0.1 = **0.6**

Pegawai B:

VB=(0.20.0)+(0.31.0)+(0.21.0)+(0.11.0)+(0.20.0)=0.0+0.3+0.2+0.1+0.0=0.6V_B = (0.2 \cdot 0.0) + (0.3 \cdot 1.0) + (0.2 \cdot 1.0) + (0.1 \cdot 1.0) + (0.2 \cdot 0.0) = 0.0 + 0.3 + 0.2 + 0.1 + 0.0 = **0.6**

Pegawai C:

VC=(0.20.5)+(0.30.0)+(0.20.0)+(0.10.0)+(0.21.0)=0.1+0.0+0.0+0.0+0.2=0.3V_C = (0.2 \cdot 0.5) + (0.3 \cdot 0.0) + (0.2 \cdot 0.0) + (0.1 \cdot 0.0) + (0.2 \cdot 1.0) = 0.1 + 0.0 + 0.0 + 0.0 + 0.2 = **0.3**


✅ Hasil Akhir (SMART-C Score):

Pegawai Skor Akhir
A 0.6
B 0.6
C 0.3

🏆 Kesimpulan:

  • Pegawai A dan B memiliki skor SMART-C yang sama tinggi.

  • Jika perusahaan ingin memilih satu, bisa lanjut dengan:

    • Kriteria tambahan,

    • Penilaian langsung manajer (tiebreak),

    • Preferensi strategi SDM (misal lebih mengutamakan kualitas kerja atau kedisiplinan).


🎯 Studi Kasus: Evaluasi Kinerja Pegawai

Misalnya kamu ingin memilih pegawai terbaik bulan ini berdasarkan kriteria:

📌 Kriteria:

  1. Kedisiplinan (C1) – Benefit

  2. Kualitas Kerja (C2) – Benefit

  3. Kerjasama Tim (C3) – Benefit

  4. Kehadiran (C4) – Benefit

  5. Waktu Penyelesaian Tugas (C5) – Cost (semakin cepat semakin baik)


🧮 Bobot Kriteria:

Kriteria Bobot
Kedisiplinan (C1) 0.2
Kualitas Kerja (C2) 0.3
Kerjasama Tim (C3) 0.2
Kehadiran (C4) 0.1
Waktu Penyelesaian (C5) 0.2
Total 1.0

👤 Alternatif Pegawai:

Pegawai Kedisiplinan (1-10) Kualitas Kerja (1-100) Kerjasama Tim (1-10) Kehadiran (%) Waktu Penyelesaian (hari)
A 9 85 8 95 4
B 7 90 9 98 5
C 8 80 7 92 3

✳️ Langkah 1: Normalisasi

Kriteria Benefit:

rij=xijmax(xij)r_{ij} = \frac{x_{ij}}{\max(x_{ij})}

Kriteria Cost:

rij=min(xij)xijr_{ij} = \frac{\min(x_{ij})}{x_{ij}}
Pegawai C1 C2 C3 C4 C5
A 9/9 = 1.00 85/90 = 0.944 8/9 = 0.889 95/98 = 0.969 3/4 = 0.75
B 7/9 = 0.778 90/90 = 1.00 9/9 = 1.00 98/98 = 1.00 3/5 = 0.6
C 8/9 = 0.889 80/90 = 0.889 7/9 = 0.778 92/98 = 0.939 3/3 = 1.00

Catatan: Untuk C5 (Waktu Penyelesaian, cost), nilai minimum = 3 hari.


✳️ Langkah 2: Hitung Skor Akhir (SAW)

Vi=(wjrij)V_i = \sum (w_j \cdot r_{ij})

Pegawai A:

VA=(0.21.00)+(0.30.944)+(0.20.889)+(0.10.969)+(0.20.75)=0.2+0.2832+0.1778+0.0969+0.15=0.9079V_A = (0.2 \cdot 1.00) + (0.3 \cdot 0.944) + (0.2 \cdot 0.889) + (0.1 \cdot 0.969) + (0.2 \cdot 0.75) = 0.2 + 0.2832 + 0.1778 + 0.0969 + 0.15 = **0.9079**

Pegawai B:

VB=(0.20.778)+(0.31.00)+(0.21.00)+(0.11.00)+(0.20.6)=0.1556+0.3+0.2+0.1+0.12=0.8756V_B = (0.2 \cdot 0.778) + (0.3 \cdot 1.00) + (0.2 \cdot 1.00) + (0.1 \cdot 1.00) + (0.2 \cdot 0.6) = 0.1556 + 0.3 + 0.2 + 0.1 + 0.12 = **0.8756**

Pegawai C:

VC=(0.20.889)+(0.30.889)+(0.20.778)+(0.10.939)+(0.21.00)=0.1778+0.2667+0.1556+0.0939+0.2=0.8939V_C = (0.2 \cdot 0.889) + (0.3 \cdot 0.889) + (0.2 \cdot 0.778) + (0.1 \cdot 0.939) + (0.2 \cdot 1.00) = 0.1778 + 0.2667 + 0.1556 + 0.0939 + 0.2 = **0.8939**

✅ Hasil Akhir:

Pegawai Skor SAW Ranking
A 0.9079 🥇 1
C 0.8939 🥈 2
B 0.8756 🥉 3

🏆 Kesimpulan:

Pegawai A memiliki skor tertinggi berdasarkan metode SAW dan layak dinobatkan sebagai pegawai terbaik bulan ini.



Studi Kasus: Memilih Laptop Terbaik

Kriteria:

  1. Harga (C1) – Cost

  2. RAM (C2) – Benefit

  3. Kapasitas SSD (C3) – Benefit

  4. Daya Tahan Baterai (jam) (C4) – Benefit

🧮 Bobot Kriteria:

Kriteria Bobot
Harga (C1) 0.3
RAM (C2) 0.25
SSD (C3) 0.25
Baterai (C4) 0.2
Total 1.0

💻 Alternatif Laptop:

Laptop Harga (juta) RAM (GB) SSD (GB) Baterai (jam)
A 10 16 512 8
B 8 8 256 6
C 12 32 1024 10

Langkah 1: Normalisasi

Kriteria Cost (Harga):

rij=min(x)xijmin(8,10,12)=8r_{ij} = \frac{\min(x)}{x_{ij}} \Rightarrow \min(8, 10, 12) = 8

Kriteria Benefit (RAM, SSD, Baterai):

rij=xijmax(x)r_{ij} = \frac{x_{ij}}{\max(x)}

Matriks Normalisasi:

Laptop C1 (Harga) C2 (RAM) C3 (SSD) C4 (Baterai)
A 8/10 = 0.80 16/32 = 0.50 512/1024 = 0.50 8/10 = 0.80
B 8/8 = 1.00 8/32 = 0.25 256/1024 = 0.25 6/10 = 0.60
C 8/12 = 0.667 32/32 = 1.00 1024/1024 = 1.00 10/10 = 1.00

Langkah 2: Hitung Skor Akhir

Vi=(wjrij)V_i = \sum (w_j \cdot r_{ij})

Laptop A:

VA=(0.30.80)+(0.250.50)+(0.250.50)+(0.20.80)=0.24+0.125+0.125+0.16=0.65V_A = (0.3 \cdot 0.80) + (0.25 \cdot 0.50) + (0.25 \cdot 0.50) + (0.2 \cdot 0.80) = 0.24 + 0.125 + 0.125 + 0.16 = **0.65**

Laptop B:

VB=(0.31.00)+(0.250.25)+(0.250.25)+(0.20.60)=0.30+0.0625+0.0625+0.12=0.545V_B = (0.3 \cdot 1.00) + (0.25 \cdot 0.25) + (0.25 \cdot 0.25) + (0.2 \cdot 0.60) = 0.30 + 0.0625 + 0.0625 + 0.12 = **0.545**

Laptop C:

VC=(0.30.667)+(0.251.00)+(0.251.00)+(0.21.00)=0.2001+0.25+0.25+0.2=0.9001V_C = (0.3 \cdot 0.667) + (0.25 \cdot 1.00) + (0.25 \cdot 1.00) + (0.2 \cdot 1.00) = 0.2001 + 0.25 + 0.25 + 0.2 = **0.9001**

Hasil Akhir (Ranking):

Laptop Skor Akhir
C 0.9001
A 0.65
B 0.545

🏆 Kesimpulan:

Laptop C adalah pilihan terbaik berdasarkan metode Simple Additive Weighting (SAW) karena memiliki skor tertinggi.


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