Snippet #1 - Nested Cross-Validation Article

nested-cv-article-s1.py

#Load libraries
import numpy as np
import pandas as pd
from sklearn.datasets import load_wine
from sklearn.model_selection import StratifiedKFold
from sklearn.ensemble import RandomForestClassifier
from sklearn.model_selection import cross_val_score, GridSearchCV, KFold

import matplotlib.pyplot as plt
import warnings
%matplotlib inline
warnings.filterwarnings("ignore")

#Load data
X, y = load_wine(return_X_y=True)
X.shape, y.shape