dataframe 差集
摘要:
>>>data_a={'state':[1,1,2],'pop':['a','b','c']}>>>data_b={'state':[1,2,3],'pop':['b','c','d']}>>>a=pd.DataFrame(data_a)>>>a pop state0 a 11 b 12 c 2>> 阅读全文
posted @ 2018-09-29 11:05 andy_1 阅读(404) 评论(0) 推荐(0) 编辑