Lecture 11 - Exploring Classification

Question 1

What does sns.pairplot do?

Answer 1

plots a visualization of all the pairs of features, against the target variable.

Question 2

What does a correlation matrix do?

Answer 2

It allows to quickly observe the relationship between every variable of your matrix.

Question 3

What does a correlation heatmap do ?

Answer 3

Pandas DataFrame has a corr method that calculates Pearson’s (can be another) correlation coefficient between all couples of numeric columns of the DataFrame.

Question 4

What is gridsearchCV? And what does it do?

Answer 4

It allows us to search all possible hyperparameters for the best possible score