Series数据结构创建的三种方式
创建Series
s1 = pd.Series([1,'a',5.2,7])
s2 = pd.Series([1, 'a', 5.2, 7], index=['d','b','a','c'])
sdata = {'Ohio':35000,'Texas':72000,'Oregon':160000,'Utha':5000}
s3 = pd.Series(sdata)
#根据多个字典创建dataframe
data = {
'state':['Ohio','Ohio','Ohio','Nevada','Nevada'],
'year':[2000,2001,2002,2001,2002],
'pop':[1.5,1.7,3.6,2.4,2.9]
}
df = pd.Dataframe(data)
df.loc[1:3]
