Some blood tests are expensive. A clinic wants to know how well a model does if it only uses a few of the ten measurements.
Write test_score_with(columns).
load_diabetes(return_X_y=True, as_frame=True).train_test_split(X, y, test_size=0.25, random_state=0).columns, in both the training and test rows.LinearRegression model on the training rows.