Jupyter Notebook) Is it possible to create a new dataset by adding rows that correspond to a common column in a dataset? dataset jupyter-notebook python eno2 asked 10 Oct, 2021 Hello. I want to append all data from the same date to the above data set and merge them into one. And I want to create a dataset of sum values by date. How are you? AdvertisementAnswer df.groupby(['date'])[column_name_that.sum()