Aplikasi Prediksi Rating Film
NIM: 2302050824
Nama: Mokhammad Ali Aziz
Prodi/Semester: Sistem Informasi/Semester 4
Kelas: B
Data Rating Film
| User | Interstellar | Inception | Titanic | Avatar | Matrix |
|---|---|---|---|---|---|
| U1 | 5 | 5 | 3 | 4 | 4 |
| U2 | 4 | 4 | 5 | 5 | 0 |
| U3 | 5 | 4 | 2 | 3 | 4 |
| U4 | 0 | 0 | 4 | 5 | 2 |
| U5 | 3 | 3 | 4 | 4 | 4 |
| U6 | 4 | 5 | 0 | 2 | 5 |
| U7 | 2 | 3 | 5 | 5 | 1 |
| U8 | 5 | 5 | 2 | 1 | 4 |
| U9 | 4 | 4 | 4 | 5 | 2 |
| U10 | 3 | 2 | 1 | 2 | 3 |
| U11 | 1 | 1 | 5 | 5 | 1 |
| U12 | 5 | 5 | 0 | 0 | 5 |
| U13 | 4 | 4 | 4 | 3 | 3 |
| U14 | 0 | 0 | 3 | 5 | 1 |
| U15 | 3 | 2 | 2 | 2 | 2 |
| U16 | 5 | 5 | 0 | 1 | 5 |
| U17 | 4 | 5 | 1 | 2 | 5 |
| U18 | 2 | 2 | 4 | 4 | 1 |
| U19 | 3 | 3 | 5 | 5 | 2 |
| U20 | 5 | 4 | 1 | 1 | 4 |
Hasil Prediksi Rating
Analisis untuk U2 terhadap film Matrix:
Rating saat ini: Belum dirating (0)
Prediksi Rating: 3
Prediksi ini menggunakan Metode Collaborative Filtering (User-Based) dengan Cosine Similarity.
Detail Perhitungan:
Jumlah user yang berkontribusi: 19
Detail kontribusi:
- U1: Rating=4, Similarity=0.956, Weighted=3.825
- U3: Rating=4, Similarity=0.917, Weighted=3.667
- U4: Rating=2, Similarity=0.994, Weighted=1.988
- U5: Rating=4, Similarity=1, Weighted=3.998
- U6: Rating=5, Similarity=0.908, Weighted=4.541
- U7: Rating=1, Similarity=0.974, Weighted=0.974
- U8: Rating=4, Similarity=0.819, Weighted=3.276
- U9: Rating=2, Similarity=0.995, Weighted=1.99
- U10: Rating=3, Similarity=0.911, Weighted=2.733
- U11: Rating=1, Similarity=0.888, Weighted=0.888
- U12: Rating=5, Similarity=1, Weighted=5
- U13: Rating=3, Similarity=0.98, Weighted=2.94
- U14: Rating=1, Similarity=0.97, Weighted=0.97
- U15: Rating=2, Similarity=0.964, Weighted=1.928
- U16: Rating=5, Similarity=0.835, Weighted=4.173
- U17: Rating=5, Similarity=0.83, Weighted=4.152
- U18: Rating=1, Similarity=0.978, Weighted=0.978
- U19: Rating=2, Similarity=0.991, Weighted=1.982
- U20: Rating=4, Similarity=0.775, Weighted=3.099
Total weighted ratings: 53.103
Total similarity: 17.685
Prediksi = 53.103 / 17.685 = 3.003