python_pandas_数据文件的存取

pandas - 数据文件- 存取

start

import pandas as pd
from pandas import Series,DataFrame

df = DataFrame(np.random.normal(100,scale=20,size=(100,3)),dtype=np.uint8,columns=['Python','Math','Eng'])

comma-separated values (csv) file

df.to_csv('./data.csv',sep=',')
pd.read_csv('./data.csv')

excel sheet

df.to_excel('data.xls')
pd.read_excel('./data.xls')

JSON string

df.to_json('data.json')
pd.read_json('data.json')

HTML table

df.to_html('data.xml',index=False)
pd.read_html('data.xml')[0]

df = pd.read_csv('./data.csv',sep=',')
df.columns = ['id','python','math','eng']
df

• id python math eng
  0 0 74 58 109
  1 1 46 91 64
  2 2 66 99 76
  …