#!?/usr/bin/env?python
#coding=utf-8

#?Authors:?Hanxiaoyang?
#?simple?naive?bayes?classifier?to?classify?iris?dataset

#?代碼功能：簡易樸素貝葉斯分類器，直接取iris數據集，根據花的多種數據特征，判定是什么花
#?詳細說明參見博客http://blog.csdn.net/han_xiaoyang/article/details/50629608
#?作者：寒小陽

from?sklearn?import?datasets
iris?=?datasets.load_iris（）
iris.data[:5]
#array（[[?5.1??3.5??1.4??0.2]
#???????[?4.9??3.???1.4??0.2]
#???????[?4.7??3.2??1.3??0.2]
#???????[?4.6??3.1??1.5??0.2]
#???????[?5.???3.6??1.4??0.2]]）

#我們假定sepal?length?sepal?width?petal?length?petal?width?4個量獨立且服從高斯分布，用貝葉斯分類器建模
from?sklearn.naive_bayes?import?GaussianNB
gnb?=?GaussianNB（）
y_pred?=?gnb.fit（iris.data?iris.target）.predict（iris.data）
right_num?=?（iris.target?==?y_pred）.sum（）
print（“Total?t

?屬性????????????大小?????日期????時間???名稱
-----------?---------??----------?-----??----
?????目錄???????????0??2018-03-08?20:36??naive_bayes-master\naive_bayes-master\
?????文件????????1119??2016-02-04?16:58??naive_bayes-master\naive_bayes-master\iris_classification_using_naive_bayes.py
?????文件????????5975??2018-03-08?20:43??naive_bayes-master\naive_bayes-master\jk.py
?????文件?????1281142??2016-02-04?16:58??naive_bayes-master\naive_bayes-master\Kaggle_movie_reviewer_sentiment_analysis.ipynb
?????文件??????104225??2016-02-04?16:58??naive_bayes-master\naive_bayes-master\Kaggle_San_Francisco_Crime_Classification.ipynb
?????文件????????1436??2016-02-04?16:58??naive_bayes-master\naive_bayes-master\README.md
?????文件????????6329??2018-03-08?20:24??naive_bayes-master\naive_bayes-master\sohu_news_topic_classification_using_naive_bayes.py