AI/Pandas [판다스] Nan 값 있는 행 대체하며 merge 교 향 2023. 1. 30. 17:46 https://stackoverflow.com/questions/59045507/how-to-merge-two-dataframes-and-keep-the-non-nan-values-in-it How to merge two dataframes and keep the non -nan values in it df1 0 Name phone Marks 1 mark 1225 20.0 2 charles 165498 36.5 3 oscar 1567 nan 4 bucky 13579 22.0 5 austin 1365... stackoverflow.com merge 대신 update 이용하기. 예시 : df1.update(df2)