Remove unneeded files from template

examples/example.py

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+import time
+from sklearn.model_selection import cross_val_score, StratifiedKFold
+from sklearn.preprocessing import KBinsDiscretizer
+from sklearn.datasets import load_wine
+from bayesclass.clfs import TAN
+import warnings
+
+
+# Warnings are not errors
+warnings.simplefilter("ignore")
+start = time.time()
+random_state = 17
+n_folds = 5
+print(f"Accuracy in {n_folds} folds stratified crossvalidation")
+dataset_start = time.time()
+dataset = load_wine()
+Xc = dataset.data
+enc = KBinsDiscretizer(encode="ordinal")
+X = enc.fit_transform(Xc)
+y = dataset.target
+clf = TAN(random_state=random_state)
+fit_params = dict(features=dataset.feature_names, class_name="class", head=0)
+kfold = StratifiedKFold(
+    n_splits=n_folds, shuffle=True, random_state=random_state
+)
+score = cross_val_score(clf, X, y, cv=kfold, fit_params=fit_params)
+print(
+    f"wine {'.' * 10}{score.mean():9.7f} "
+    f"({time.time()-dataset_start:7.2f} seconds)"
+)
+clf.fit(X, y, **fit_params)
+clf.plot("TAN wine")
+print(f"Took {time.time()-start:.2f} seconds")