In data science$/$data mining, the prediction models further sub$-$classified into

A$)$ Segmentation

B$)$ Link analysis

C$)$ Regression

D$)$ Affinity analysis

E$)$ Outlier analysis

Which of the following is not a supervised machine learning algorithm?

A$)$ Classification

B$)$ Clustering

C$)$ Forecasting

D$)$ Regression

E$)$ Time series

Which one of the following represents unstructured data?

A$)$ Textual

B$)$ Multimedia

C$)$ XML$/$HTML

D$)$ All answers are true

E$)$ Pictures