Chapter 6 Understand Your Data With Visualization

Question 1

WHAT ARE TYPES OF UNIVARIATE PLOTS? P47 1t

Answer 1

ˆ Histograms.
ˆ Density Plots.
ˆ Box and Whisker Plots.

Question 2

WHAT ARE TYPES OF MULTIVARIATE PLOTS? P50

Answer 2

ˆ Correlation Matrix Plot.

ˆ Scatter Plot Matrix.

Question 3

WHY DO WE NEED TO CHECK PAIR-WISE CORRELATION? P51

Answer 3

Correlation between features can damage the performance of models such as linear and logistic regression. Features having high correlation with each other have collinearity.