Data Science, Python, Pandas.
interfere with the PostgreSQL upload: summed_articles = dfd.groupby([‘article’, ‘coming_from’])\ .sum()\ .reset_index()\ .compute() for c in ['\t', '\n', '\\']: summed_articles[‘article’] = \ summed_articles[‘article’].str.replace(c, ‘ ‘) summed_articles[‘coming_from’] = \