5-1.Python Pandas_Series

준비물

import pandas as pd

from pandas import Series, DataFrame

 

Series 란? 

array같은 1차원 object

 

Series 생성

data = pd.Series([5000, 6000,7000, 8000])

coffee = pd.Series([5000, 6000, 7000, 6500], index=['americano', 'cappuccino', 'frappuccino', 'caffe latte'])

coffee2 = pd.Series({'Flat White': 5500, 'Cold Brew': 7000, 'Caffe Mocha': 6500})

 

print(coffee)

>>>americano 5000

>>>cappuccino 6000

>>>frappuccino 7000

>>>caffe latte 6500

>>>dtype: int64

 

coffee.index

>>>Index(['americano', 'cappuccino', 'frappuccino', 'caffe latte'], dtype='object')

 

coffee['cappuccino'] 또는 coffee.cappuccino

>>>6000

 

coffee[:2]

>>>americano 5000

>>>cappuccino 6000

>>>dtype: int64

 

coffee*2

>>>

 

'caffe latte' in coffee_menu  

>>>True

 

Series: series name and index name

 

coffee_menu.name = 'starbucks'

>>>americano 5000

>>>cappuccino 6000

>>>frappuccino 7000

>>>caffe latte 6500

Name: starbucks, dtype: int64

 

coffee_menu.index.name = 'type'

type

americano 5000

cappuccino 6000

frappuccino 7000

caffe latte 6500

Name: starbucks, dtype: int64

 

coffee = ['ame', 'cap', 'frap', 'latte']   # index can be changed to an another index