Question
Geomatics Engineering Question on Principles of surveying
Which of the following statements about Principal Component Analysis (PCA) is/are CORRECT?
A
A two-dimensional data set can have up to four principal components.
B
The first principal component accounts for the majority of conceivable data variation.
C
The second principal component attempts to encapsulate the mode of the data.
D
The second principal component attempts to encapsulate the mode of the data.
Answer
The first principal component accounts for the majority of conceivable data variation.
Explanation
Solution
The correct answer is (B) and (D) : A two-dimensional data set can have up to four principal components AND The second principal component attempts to encapsulate the mode of the data.