https://github.com/sofiathefirst/AIcode/tree/master/06pandasAPI
源码和数据文件见上述链接。
本文数据提取自深圳市2019年某次公租房申请公示名单,移除了非身份证的数据。
import pandas as pd
import matplotlib.pyplot as plt
'''
粗略统计二胎年龄差距
se 为1 主申请人,多数为爸爸
se为2共同申请人,多为妈妈和孩子
se为0,others
'''
#difage = []
class family:
def __init__(self):
self.mainpyear= None
self.comPyear=[]
self.diff = []
def diff_age(self):
if len(self.comPyear)>2:
self.comPyear = sorted(self.comPyear, reverse = True)
#print(self.comPyear)
if( self.comPyear[0]-self.comPyear[1]<18):
self.diff.append( self.comPyear[0]-self.comPyear[1])
self.comPyear=[]
if __name__ == '__main__':
b= pd.read_csv('a.csv', sep=',', dtype = {'id':str})
b['year']=pd.to_numeric(b['id'].str[6:10])
myf = family()
for key,row in b.iterrows():
if( row['se']==1):
myf.mainpyear = row['year']
myf.diff_age()
elif( row['se']==2):
myf.comPyear.append(row['year'])
#myf.diff_age()
#print(myf.diff)
a = pd.Series(myf.diff)
a.plot.hist(bins =19 )
plt.show()


结论:二胎年龄差距,2,3岁的家庭最多。

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