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Text whithin 1 column following a criteria, separated by ;


Peak detection in a 2D arraySelecting multiple columns in a pandas dataframeRenaming columns in pandasAdding new column to existing DataFrame in Python pandasHow to change the order of DataFrame columns?Delete column from pandas DataFrame“Large data” work flows using pandasSelect rows from a DataFrame based on values in a column in pandasGet list from pandas DataFrame column headersLabel encoding across multiple columns in scikit-learn






.everyoneloves__top-leaderboard:empty,.everyoneloves__mid-leaderboard:empty,.everyoneloves__bot-mid-leaderboard:empty margin-bottom:0;








0















I'm trying to reduce rows in an excel since I have repetetive data for all the columns/variables, except for 1 column - "link_id"



I have this:



A kk 323 11 44 linkA
A kk 323 11 44 linkB
A pp 444 22 88 linkZ


I would like this:



A kk 323 11 44 linkA; linkB
A pp 444 22 88 linkZ


data_file = pd.read_excel("entrada.xlsx")
red = data_file["RED"]
tipus = data_file["TIPUS"]
label = data_file["Label"]
idnode = data_file["IDNode"]
agrupacio = data_file["AGRUPACIO"]
sumofshape = data_file["SumOfShape_Area"]
sumofarea = data_file["SumOfAREA_NETA"]
minofnode = data_file["MinOfNOD_PDinamica"]
nodQ = data_file["NOD_Q"]
link_id = data_file["link_id"]

my_data =[red, tipus, label, idnode, agrupacio, sumofshape, sumofarea, minofnode, nodQ, link_id]
df = pd.concat(my_data, axis=1)










share|improve this question
































    0















    I'm trying to reduce rows in an excel since I have repetetive data for all the columns/variables, except for 1 column - "link_id"



    I have this:



    A kk 323 11 44 linkA
    A kk 323 11 44 linkB
    A pp 444 22 88 linkZ


    I would like this:



    A kk 323 11 44 linkA; linkB
    A pp 444 22 88 linkZ


    data_file = pd.read_excel("entrada.xlsx")
    red = data_file["RED"]
    tipus = data_file["TIPUS"]
    label = data_file["Label"]
    idnode = data_file["IDNode"]
    agrupacio = data_file["AGRUPACIO"]
    sumofshape = data_file["SumOfShape_Area"]
    sumofarea = data_file["SumOfAREA_NETA"]
    minofnode = data_file["MinOfNOD_PDinamica"]
    nodQ = data_file["NOD_Q"]
    link_id = data_file["link_id"]

    my_data =[red, tipus, label, idnode, agrupacio, sumofshape, sumofarea, minofnode, nodQ, link_id]
    df = pd.concat(my_data, axis=1)










    share|improve this question




























      0












      0








      0








      I'm trying to reduce rows in an excel since I have repetetive data for all the columns/variables, except for 1 column - "link_id"



      I have this:



      A kk 323 11 44 linkA
      A kk 323 11 44 linkB
      A pp 444 22 88 linkZ


      I would like this:



      A kk 323 11 44 linkA; linkB
      A pp 444 22 88 linkZ


      data_file = pd.read_excel("entrada.xlsx")
      red = data_file["RED"]
      tipus = data_file["TIPUS"]
      label = data_file["Label"]
      idnode = data_file["IDNode"]
      agrupacio = data_file["AGRUPACIO"]
      sumofshape = data_file["SumOfShape_Area"]
      sumofarea = data_file["SumOfAREA_NETA"]
      minofnode = data_file["MinOfNOD_PDinamica"]
      nodQ = data_file["NOD_Q"]
      link_id = data_file["link_id"]

      my_data =[red, tipus, label, idnode, agrupacio, sumofshape, sumofarea, minofnode, nodQ, link_id]
      df = pd.concat(my_data, axis=1)










      share|improve this question
















      I'm trying to reduce rows in an excel since I have repetetive data for all the columns/variables, except for 1 column - "link_id"



      I have this:



      A kk 323 11 44 linkA
      A kk 323 11 44 linkB
      A pp 444 22 88 linkZ


      I would like this:



      A kk 323 11 44 linkA; linkB
      A pp 444 22 88 linkZ


      data_file = pd.read_excel("entrada.xlsx")
      red = data_file["RED"]
      tipus = data_file["TIPUS"]
      label = data_file["Label"]
      idnode = data_file["IDNode"]
      agrupacio = data_file["AGRUPACIO"]
      sumofshape = data_file["SumOfShape_Area"]
      sumofarea = data_file["SumOfAREA_NETA"]
      minofnode = data_file["MinOfNOD_PDinamica"]
      nodQ = data_file["NOD_Q"]
      link_id = data_file["link_id"]

      my_data =[red, tipus, label, idnode, agrupacio, sumofshape, sumofarea, minofnode, nodQ, link_id]
      df = pd.concat(my_data, axis=1)







      python pandas jupyter-notebook






      share|improve this question















      share|improve this question













      share|improve this question




      share|improve this question








      edited Mar 27 at 18:40







      Patrícia Almeida

















      asked Mar 27 at 17:38









      Patrícia AlmeidaPatrícia Almeida

      52 bronze badges




      52 bronze badges

























          1 Answer
          1






          active

          oldest

          votes


















          0















          Using dummy columns names, and letting df denote your dataframe:



          df = pd.DataFrame([['A', 'kk', '323', '11', '44', 'linkA' ],
          ['A', 'kk', '323', '11', '44', 'linkB' ],
          ['A', 'pp', '444', '22', '88', 'linkZ' ]])
          df.columns = ['A', 'B', 'C', 'D', 'E', 'link_id']


          Assuming you want all the data to match before combining links:



          def col_to_list(df): 
          df['link_id2'] = [df['link_id'].tolist()]*len(df)
          return df

          df = df.groupby([i for i in df.columns if i not in 'link_id']).apply(lambda df: col_to_list(df))
          df = df.drop(columns = ['link_id']).drop_duplicates(subset= [i for i in df.columns if i not in 'link_id2']).reset_index(drop = True)
          df


          Output:



           A B C D E link_id2
          0 A kk 323 11 44 [linkA, linkB]
          1 A pp 444 22 88 [linkZ]





          share|improve this answer
























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            1 Answer
            1






            active

            oldest

            votes









            active

            oldest

            votes






            active

            oldest

            votes









            0















            Using dummy columns names, and letting df denote your dataframe:



            df = pd.DataFrame([['A', 'kk', '323', '11', '44', 'linkA' ],
            ['A', 'kk', '323', '11', '44', 'linkB' ],
            ['A', 'pp', '444', '22', '88', 'linkZ' ]])
            df.columns = ['A', 'B', 'C', 'D', 'E', 'link_id']


            Assuming you want all the data to match before combining links:



            def col_to_list(df): 
            df['link_id2'] = [df['link_id'].tolist()]*len(df)
            return df

            df = df.groupby([i for i in df.columns if i not in 'link_id']).apply(lambda df: col_to_list(df))
            df = df.drop(columns = ['link_id']).drop_duplicates(subset= [i for i in df.columns if i not in 'link_id2']).reset_index(drop = True)
            df


            Output:



             A B C D E link_id2
            0 A kk 323 11 44 [linkA, linkB]
            1 A pp 444 22 88 [linkZ]





            share|improve this answer





























              0















              Using dummy columns names, and letting df denote your dataframe:



              df = pd.DataFrame([['A', 'kk', '323', '11', '44', 'linkA' ],
              ['A', 'kk', '323', '11', '44', 'linkB' ],
              ['A', 'pp', '444', '22', '88', 'linkZ' ]])
              df.columns = ['A', 'B', 'C', 'D', 'E', 'link_id']


              Assuming you want all the data to match before combining links:



              def col_to_list(df): 
              df['link_id2'] = [df['link_id'].tolist()]*len(df)
              return df

              df = df.groupby([i for i in df.columns if i not in 'link_id']).apply(lambda df: col_to_list(df))
              df = df.drop(columns = ['link_id']).drop_duplicates(subset= [i for i in df.columns if i not in 'link_id2']).reset_index(drop = True)
              df


              Output:



               A B C D E link_id2
              0 A kk 323 11 44 [linkA, linkB]
              1 A pp 444 22 88 [linkZ]





              share|improve this answer



























                0














                0










                0









                Using dummy columns names, and letting df denote your dataframe:



                df = pd.DataFrame([['A', 'kk', '323', '11', '44', 'linkA' ],
                ['A', 'kk', '323', '11', '44', 'linkB' ],
                ['A', 'pp', '444', '22', '88', 'linkZ' ]])
                df.columns = ['A', 'B', 'C', 'D', 'E', 'link_id']


                Assuming you want all the data to match before combining links:



                def col_to_list(df): 
                df['link_id2'] = [df['link_id'].tolist()]*len(df)
                return df

                df = df.groupby([i for i in df.columns if i not in 'link_id']).apply(lambda df: col_to_list(df))
                df = df.drop(columns = ['link_id']).drop_duplicates(subset= [i for i in df.columns if i not in 'link_id2']).reset_index(drop = True)
                df


                Output:



                 A B C D E link_id2
                0 A kk 323 11 44 [linkA, linkB]
                1 A pp 444 22 88 [linkZ]





                share|improve this answer













                Using dummy columns names, and letting df denote your dataframe:



                df = pd.DataFrame([['A', 'kk', '323', '11', '44', 'linkA' ],
                ['A', 'kk', '323', '11', '44', 'linkB' ],
                ['A', 'pp', '444', '22', '88', 'linkZ' ]])
                df.columns = ['A', 'B', 'C', 'D', 'E', 'link_id']


                Assuming you want all the data to match before combining links:



                def col_to_list(df): 
                df['link_id2'] = [df['link_id'].tolist()]*len(df)
                return df

                df = df.groupby([i for i in df.columns if i not in 'link_id']).apply(lambda df: col_to_list(df))
                df = df.drop(columns = ['link_id']).drop_duplicates(subset= [i for i in df.columns if i not in 'link_id2']).reset_index(drop = True)
                df


                Output:



                 A B C D E link_id2
                0 A kk 323 11 44 [linkA, linkB]
                1 A pp 444 22 88 [linkZ]






                share|improve this answer












                share|improve this answer



                share|improve this answer










                answered Mar 27 at 20:29









                Parmandeep ChaddhaParmandeep Chaddha

                963 bronze badges




                963 bronze badges



















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