Training a model with PCA
Now that you have run PCA on the wine dataset, you'll finally train a KNN model using the transformed data.
Cet exercice fait partie du cours
Preprocessing for Machine Learning in Python
Instructions
- Fit the
knnmodel to the PCA-transformed features,pca_X_train, and training labels,y_train. - Print the test set accuracy of the
knnmodel usingpca_X_testandy_test.
Exercice interactif pratique
Essayez cet exercice en complétant cet exemple de code.
# Fit knn to the training data
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# Score knn on the test data and print it out
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