Question

For which of the following cases Dimensional reduction may be used?
A) Data Compression
B) Data Visualization
C) To prevent overfitting
D) Both A and B

Answer 1

Hey there!

Q. For which of the following cases Dimensional reduction may be used?

(A) Data Compression

(B) Data Visualization

(C) To prevent overfitting

(D) Both A and B

Answer : Option (d) Both A and B

Explanation :

⇒ Data compression : It compress the given data by encoding in terms of the following -

• Bits
• Association Rules
• Decision Trees
• Clusters

⇒ Data visualization : It helps users to examine large volume of data, and to detect patterns, system do not automatically detect patterns but they provide system support for users to detect patterns.

• Boxplots
• 3-D Cubes
• Data distribution charts
• Curves
• Surfaces
• Link graphs etc.

Answer 2

Right answer is  D

because it supports both data compression and visualization

hope it helped u....