Created
October 25, 2019 15:30
-
-
Save Neeratyoy/ad9a645b319e60cab543eaaf8948c92c to your computer and use it in GitHub Desktop.
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
{ | |
"cells": [ | |
{ | |
"cell_type": "code", | |
"execution_count": 31, | |
"metadata": {}, | |
"outputs": [], | |
"source": [ | |
"from sklearn import datasets\n", | |
"from sklearn.svm import SVC\n", | |
"from sklearn.ensemble import RandomForestClassifier\n", | |
"from sklearn.model_selection import cross_val_score" | |
] | |
}, | |
{ | |
"cell_type": "code", | |
"execution_count": 2, | |
"metadata": {}, | |
"outputs": [ | |
{ | |
"name": "stdout", | |
"output_type": "stream", | |
"text": [ | |
"(150, 4) (150,)\n" | |
] | |
} | |
], | |
"source": [ | |
"# Loading Iris dataset\n", | |
"X, y = datasets.load_iris(return_X_y=True)\n", | |
"print(X.shape, y.shape)" | |
] | |
}, | |
{ | |
"cell_type": "code", | |
"execution_count": 3, | |
"metadata": {}, | |
"outputs": [], | |
"source": [ | |
"# Initializing a Random Forest with \n", | |
"# arbitrary hyperparameters\n", | |
"# max_depth kept as 2 since Iris has\n", | |
"# only 4 features\n", | |
"clf = RandomForestClassifier(n_estimators=10, max_depth=2)" | |
] | |
}, | |
{ | |
"cell_type": "code", | |
"execution_count": 4, | |
"metadata": {}, | |
"outputs": [ | |
{ | |
"name": "stdout", | |
"output_type": "stream", | |
"text": [ | |
"Mean score : 0.95333\n" | |
] | |
} | |
], | |
"source": [ | |
"scores = cross_val_score(clf, X, y, cv=5, scoring='accuracy')\n", | |
"print(\"Mean score : {:.5f}\".format(scores.mean()))" | |
] | |
} | |
], | |
"metadata": { | |
"kernelspec": { | |
"display_name": "Python 3", | |
"language": "python", | |
"name": "python3" | |
}, | |
"language_info": { | |
"codemirror_mode": { | |
"name": "ipython", | |
"version": 3 | |
}, | |
"file_extension": ".py", | |
"mimetype": "text/x-python", | |
"name": "python", | |
"nbconvert_exporter": "python", | |
"pygments_lexer": "ipython3", | |
"version": "3.6.8" | |
} | |
}, | |
"nbformat": 4, | |
"nbformat_minor": 2 | |
} |
Sign up for free
to join this conversation on GitHub.
Already have an account?
Sign in to comment
good