Pandas DataFrame import pandas as pd data ={'name':['Joe','Cat','Mike','Kim','Amy'], 'year':[2012,2012,2013,2014,2014], 'Points':[4,24,31,2,3]} df pd.DataFrame(data,index ['Day1','Day2','Day3','Day4','Day5']) df Points name year Day1 4 Joe 2012 Day2 24 Cat 2012 Day3 31 Mike 2013 Day4 2 Kim 2014 Day5 3 Amy 2014 11
Pandas : DataFrame 11
Pandas DataFrame Points name year ·可以选择列： df['Points' Day1 4 Joe 2012 Day2 24 Cat 2012 Day3 31 Mike 2013 Day4 2 Kim 2014 Points name year Day5 3 Amy 2014 Day1 4 Joe 2012 df['Points'] Day2 24 Cat 2012 Dayl Day2 24 Day3 31 Day3 31 Mike 2013 Day4 Day5 3 Day4 2 Kim 2014 Name:Points,dtype:int64 df['name'】 Day5 3 Amy 2014 Day1 Joe Day2 Cat Day3 Mike 合 Day4 Kim Day5 Amy df['name' 12 Name:name,dtype:object
Pandas : DataFrame • 可以选择列: 12
Pandas Dataframe上的操作 13
Pandas Dataframe 上的操作 13