Pretest Data Mining 4
Quiz
•
Mathematics
•
University - Professional Development
•
Hard
Denny Nurdiansyah
Used 2+ times
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10 questions
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1.
MULTIPLE CHOICE QUESTION
20 sec • 5 pts
Probabilitas tentang hipotesis bahwa X memiliki class C dengan syarat diberikan sampel data pengamatan X adalah ...
probabilitas posterior
probabilitas prior
probabilitas likelihood
probabilitas bersyarat
probabilitas bersama
2.
MULTIPLE CHOICE QUESTION
20 sec • 5 pts
Prediksi X memiliki class Ci jika probabilitas P(Ci|X) ... diantara semua P(Ck|X) untuk semua class k.
terendah
tertinggi
sama
bernilai 0
3.
MULTIPLE CHOICE QUESTION
20 sec • 5 pts
Klasifikasi untuk mendapatkan posterior maksimal, maka P(Ci|X) ...
minimal
maksimal
stasioner
sama
nol
4.
MULTIPLE CHOICE QUESTION
20 sec • 5 pts
Jika Ak suatu kontinu/numerik, P(xk|Ci) biasanya dihitung dengan distribusi ... dengan mean μ dan standar deviasi σ
Gamma
Eksponensial
Chi-Square
Normal
Erlang
5.
MULTIPLE CHOICE QUESTION
20 sec • 5 pts
Terdapat 2 class dari data training tersebut, yaitu:
a) C1 (Class 1) -> Play = yes -> 9 record
b) C2 (Class 2) -> Play = no -> 5 record
c) Total = 14 record
Maka nilai P (C1) = ...
9
5
14
9/14
5/14
6.
MULTIPLE CHOICE QUESTION
20 sec • 5 pts
Berdasarkan data disamping, Hitung P(X|Ci) untuk i = 1 dan 2 , tentukan P(outlook=“sunny”|play=“yes”) = ...
2/9
3/5
4/9
0/5
3/9
7.
MULTIPLE CHOICE QUESTION
20 sec • 5 pts
Diketahui
Data X = (outlook=rainy, temperature=cool, humidity=high, windy=true)
Tentukan P(X|play=“no”) = ...
0.0123
0.0384
0.0079
0.0137
1
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