WorksheetsMPB Week 6
Total questions: 10
Worksheet time: 5mins
Berikut ini cara yang dapat digunakan untuk Data Reduction, kecuali:
a. Dimensionality reduction
b. Numerosity reduction
c. Data compression
d. Smooth noisy data
e. Jawaban a, b dan c benar
Metode yang dapat digunakan dalam dimensionality reduction adalah:
a. Feature extraction
b. Filter approach
c. Wrapper approach
d. Embedded approach
e. Semua jawaban benar
Metode yang dapat digunakan dalam Numerosity Reduction adalah:
a. Regression and long-linear models
b. Histograms
c. Clustering
d. Sampling
e. Semua jawaban benar
Berikut merupakan pernyataan yang benar mengenai Dimensionality Reduction, kecuali:
a. Avoid the curse of dimensionality
b. Help eliminate irrelevant features and reduce noise
c. Reduce time and space required in data mining
d. Allow easier visualization
e. Reduce the noisy data
Berikut pernyataan yang benar mengenai Curse of Dimensionality, kecuali:
a. When dimensionality increases, data becomes increasingly sparse
b. When dimensionality decreases, data becomes decreasingly sparse
c. When dimensionality increases, data becomes decreasingly sparse
d. The possible combinations of subspaces will grow exponentially
e. The possible combinations of subspaces will decreace exponentially
Berikut merupakan pernyataan yang benar mengenai Parametric Data Reduction, kecuali:
a. Linear regression is modeling data to fit a straight line
b. Linear regression often uses the least-square method to fit the line
c. Multiple regression allows a response variable Y to be modeled as a linear function of multidimensional feature vector
d. Long-linear model approximates discrete multidimensional probability distributions
e. Multiple regression is modeling data to fit for multiple straight line.
Mana yang bukan merupakan jenis Sampling?
a. Simple random sampling
b. Smooth sampling
c. Sampling without replacement
d. Sampling with replacement
e. Stratified sampling
