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.
Latihan ini adalah bagian dari kursus
Preprocessing for Machine Learning in Python
Petunjuk latihan
- 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.
Latihan interaktif praktis
Cobalah latihan ini dengan menyelesaikan kode contoh berikut.
# Fit knn to the training data
____
# Score knn on the test data and print it out
____