
Cluster Off A
Authored by Utomo Pujianto
Computers
University
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10 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Metode evaluasi yang sering digunakan untuk menilai kinerja clustering tanpa label 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
Algoritma DBSCAN cocok digunakan untuk clustering data yang...
Answer explanation
DBSCAN efektif untuk clustering data dengan noise dan bentuk cluster yang tidak teratur.
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Kapan sebaiknya kita memilih algoritma Hierarchical Clustering?
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 yang dimaksud dengan "inertia" dalam K-Means?
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 yang dimaksud dengan "label noise" dalam clustering?
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 "Elbow Method" digunakan untuk...
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
Apa keuntungan utama dari algoritma K-Means dibandingkan dengan algoritma lain seperti DBSCAN?
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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