
Pre-Test Data Mining
Authored by Yudhistira Wijaya
Science
3rd Grade
Used 1+ times

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10 questions
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1.
MULTIPLE CHOICE QUESTION
5 sec • 10 pts
Istilah yang lebih tepat untuk "data mining" sebenarnya adalah...
Penambangan emas (gold mining)
Penambangan data (data mining)
Penambangan pengetahuan dari data (knowledge mining from data)
Arkeologi data (data archaeology)
2.
MULTIPLE CHOICE QUESTION
5 sec • 10 pts
Manakah dari berikut ini yang BUKAN merupakan bagian dari langkah persiapan data dalam proses penemuan pengetahuan (KDD)?
Pembersihan Data (Data Cleaning)
Integrasi Data (Data Integration)
Evaluasi Pola (Pattern Evaluation)
Seleksi Data (Data Selection)
3.
MULTIPLE CHOICE QUESTION
5 sec • 10 pts
Apa yang dimaksud dengan data mining menurut pandangan luas yang diadopsi dalam teks?
Proses teknis mengekstrak emas dari batuan.
Proses menemukan pola dan pengetahuan menarik dari sejumlah besar data.
Proses membersihkan dan mengintegrasikan data dari berbagai sumber.
Proses memvisualisasikan data untuk presentasi kepada pengguna.
4.
MULTIPLE CHOICE QUESTION
5 sec • 10 pts
Data yang disimpan dalam basis data relasional dan gudang data merupakan contoh dari...
Data tidak terstruktur
Data semi-terstruktur
Data sangat terstruktur
Data streaming
5.
MULTIPLE CHOICE QUESTION
5 sec • 10 pts
Tugas data mining yang mengkarakterisasi properti dari kumpulan data yang diminati disebut...
Data mining prediktif
Data mining deskriptif
Analisis klaster
Analisis outlier
6.
MULTIPLE CHOICE QUESTION
5 sec • 10 pts
Pola yang menunjukkan item-item yang sering dibeli bersama dalam satu transaksi, seperti "susu dan roti", disebut...
Suburutan sering (frequent subsequence)
Itemset sering (frequent itemset)
Substuktur sering (frequent substructure)
Pola sekuensial (sequential pattern)
7.
MULTIPLE CHOICE QUESTION
5 sec • 10 pts
Dalam aturan asosiasi buys(X, "computer") => buys(X, "webcam") [support=1%, confidence=50%], apa arti dari confidence=50%?
1% dari total transaksi membeli komputer dan webcam bersamaan.
50% dari total pelanggan membeli webcam.
Jika seorang pelanggan membeli komputer, ada kemungkinan 50% dia juga akan membeli webcam.
50% dari total transaksi adalah pembelian komputer.
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