Checking for correlated features
You'll now return to the wine
dataset, which consists of continuous, numerical features. Run Pearson's correlation coefficient on the dataset to determine which columns are good candidates for eliminating. Then, remove those columns from the DataFrame.
Cet exercice fait partie du cours
Preprocessing for Machine Learning in Python
Instructions
- Print out the Pearson correlation coefficients for each pair of features in the
wine
dataset. - Drop any columns from
wine
that have a correlation coefficient above 0.75 with at least two other columns.
Exercice interactif pratique
Essayez cet exercice en complétant cet exemple de code.
# Print out the column correlations of the wine dataset
print(____)
# Drop that column from the DataFrame
wine = wine.____(____, ____)
print(wine.head())