関連ワード:  how to subset a dataset in python    how to subset a dataframe in python    how to subset dataframe in python based on column value    how to subset rows in python    how to get subset of a dataframe in python    how to create a subset of a dataframe in python    how to make a subset of a dataframe in python    how to select a subset of dataframe in python    how to remove a subset from a dataframe in python    size of dataset in python