Lecture 11 - Exploring Classification Flashcards
1
Q
What does sns.pairplot do?
A
plots a visualization of all the pairs of features, against the target variable.
2
Q
What does a correlation matrix do?
A
It allows to quickly observe the relationship between every variable of your matrix.
3
Q
What does a correlation heatmap do ?
A
Pandas DataFrame has a corr method that calculates Pearson’s (can be another) correlation coefficient between all couples of numeric columns of the DataFrame.
4
Q
What is gridsearchCV? And what does it do?
A
It allows us to search all possible hyperparameters for the best possible score
