# coding:utf-8
import numpy asnp
import pandas aspd#C:\Users\xiang>pip3install pandas
1 数据清洗和准备
1.1...数据概览和类型转换
#1.1.1数据概览
def data_info():
data = pd.read_csv('my.csv')
print("data.info:\n",data.info...0 False False False False
1 False False False True
2 False False False False
去除缺省值的数据行...']*3+['a','b'],"B":[1,1,2,2,3,3,2,3]})
print("删除重复行:\n",data.drop_duplicates())
print("删除A列的重复数据...data.drop_duplicates(['A']))
输出:
删除重复行:
A B
0 a 1
1 b 1
2 a 2
3 b 2
4 a 3
5 b 3
删除A列的重复数据