Machine-Learning-and-Data-Science-with-Python-A-Complete-Beginners-Guide/algorithm_spotcheck_cart.py at master · Frank88cc/Machine-Learning-and-Data-Science-with-Python-A-Complete-Beginners-Guide · GitHub

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# -*- coding: utf-8 -*-
"""
@author: abhilash
"""
#load the csv file using read_csv function of pandas library
from pandas import read_csv
from sklearn.model_selection import KFold
from sklearn.model_selection import cross_val_score
from sklearn.tree import DecisionTreeClassifier

filename = 'pima-indians-diabetes.csv'
#url = 'https://myfilecsv.com/test.csv'
names = ['preg', 'plas', 'pres', 'skin', 'test', 'mass', 'pedi', 'age', 'class']
dataframe = read_csv(filename, names=names)

array = dataframe.values

#splitting the array to input and output
X = array[:,0:8]
Y = array[:,8]

num_folds = 10
seed = 7

kfold = KFold(n_splits = num_folds, random_state = seed)
model = DecisionTreeClassifier()

results = cross_val_score(model, X, Y, cv=kfold)
print("Mean Estimated Accuracy CART: %f " % (results.mean()))