
Last Quiz SD
Authored by Utomo Pujianto
Computers
University
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10 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Aktivitas berikut yang bukan merupakan bagian dari fase Deployment CRISP-DM adalah...
Answer explanation
Adjusted Rand Index (ARI) mengukur kesamaan antara hasil clustering dengan ground truth atau label yang ada.
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Diantara Aktivitas berikut yang merupakan bagian dari fase Evaluation CRISP-DM adalah...
Answer explanation
DBSCAN efektif untuk clustering data dengan noise dan bentuk cluster yang tidak teratur.
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Metode Grid Search dalam hyperparameter tuning memiliki kekurangan utama berupa...
Answer explanation
Hierarchical Clustering memungkinkan kita untuk melihat struktur data tanpa harus menentukan jumlah cluster di awal.
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Apa tujuan utama dari hyperparameter optimization?
Answer explanation
Inertia mengukur total jarak antara data dengan centroid dalam clustering K-Means. Semakin rendah nilai inertia, semakin baik hasil clustering.
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Apa kekeliruan dalam memahami Hukum 5 Nine Laws of Data Mining ("Most Data Mining is Supervised") ?
Answer explanation
Label noise terjadi ketika data yang digunakan untuk clustering memiliki informasi yang salah atau terdistorsi.
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Teknik Feature Extraction yang menggunakan pendekatan nonliner adalah...
Answer explanation
Elbow Method membantu memilih jumlah cluster yang optimal dengan memplot inertia dan mencari titik "siku" (elbow).
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Salah satu teknik visualisasi yang digunakan untuk membantu menentukan jumlah Principal Components yang optimal dalam analisis PCA adalah...
Answer explanation
K-Means umumnya lebih cepat dibandingkan DBSCAN karena memerlukan perhitungan jarak yang lebih sederhana dan hanya membutuhkan sedikit iterasi.
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