python筆記：6.3.2成對樣本之假設檢驗（例6-10居民生活幸福程度）

 

# -*- coding: utf-8 -*-
"""
Created on Fri Jun 21 13:59:06 2019

@author: User
"""

# 《Python數據分析基礎》中國統計出版社

import numpy as np
from scipy import stats
import pandas as pd
import statsmodels.api as sm

happiness = pd.read_csv(u'data\\ch6\\happiness.csv',encoding = "gbk")
print(happiness.head())

print(stats.ttest_rel(happiness['Year2015'],
                      happiness['Year2016']))

運行：

Ttest_relResult(statistic=-0.45945807951277384, pvalue=0.6464067663555169)