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How to make a dataframe with lists or vectors as its elements


How to store complex tables and structures?How can I vectorize this code in R? Maybe with the apply() function?IID violation in machine learningProblem Screen Scraping Google DataCreate multiple matrices from 2 bigger ones in RDifference Between Feature Engineering and Feature LearningBuilding a data frame and matrix for citation networkMaking bigram features from a particular datasetVisualizing word embeddingsR - How do I remove a varying number of digits from a date-vector













0












$begingroup$


This is something I have been wondering for ages but I am never able to get an answer.



I am trying to understand how to make a dataframe in R, where each element of the dataframe is itself a vector or a matrix.



For example, lets say we have a regular vector V with elements being real numbers.



Then to acess any number we would have



V[3] which would give the third element of said vector.



Now I want to know how to do this with say a dataframe D,



where each element of the dataframe is itself a vector or matrix, so that say



D[3] is not a real number, but a vector.



How can this be done in R?



Thanks all










share|improve this question







New contributor




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$endgroup$
















    0












    $begingroup$


    This is something I have been wondering for ages but I am never able to get an answer.



    I am trying to understand how to make a dataframe in R, where each element of the dataframe is itself a vector or a matrix.



    For example, lets say we have a regular vector V with elements being real numbers.



    Then to acess any number we would have



    V[3] which would give the third element of said vector.



    Now I want to know how to do this with say a dataframe D,



    where each element of the dataframe is itself a vector or matrix, so that say



    D[3] is not a real number, but a vector.



    How can this be done in R?



    Thanks all










    share|improve this question







    New contributor




    Quality is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
    Check out our Code of Conduct.







    $endgroup$














      0












      0








      0





      $begingroup$


      This is something I have been wondering for ages but I am never able to get an answer.



      I am trying to understand how to make a dataframe in R, where each element of the dataframe is itself a vector or a matrix.



      For example, lets say we have a regular vector V with elements being real numbers.



      Then to acess any number we would have



      V[3] which would give the third element of said vector.



      Now I want to know how to do this with say a dataframe D,



      where each element of the dataframe is itself a vector or matrix, so that say



      D[3] is not a real number, but a vector.



      How can this be done in R?



      Thanks all










      share|improve this question







      New contributor




      Quality is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
      Check out our Code of Conduct.







      $endgroup$




      This is something I have been wondering for ages but I am never able to get an answer.



      I am trying to understand how to make a dataframe in R, where each element of the dataframe is itself a vector or a matrix.



      For example, lets say we have a regular vector V with elements being real numbers.



      Then to acess any number we would have



      V[3] which would give the third element of said vector.



      Now I want to know how to do this with say a dataframe D,



      where each element of the dataframe is itself a vector or matrix, so that say



      D[3] is not a real number, but a vector.



      How can this be done in R?



      Thanks all







      r data code






      share|improve this question







      New contributor




      Quality is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
      Check out our Code of Conduct.











      share|improve this question







      New contributor




      Quality is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
      Check out our Code of Conduct.









      share|improve this question




      share|improve this question






      New contributor




      Quality is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
      Check out our Code of Conduct.









      asked Mar 19 at 21:36









      QualityQuality

      1012




      1012




      New contributor




      Quality is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
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      New contributor





      Quality is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
      Check out our Code of Conduct.






      Quality is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
      Check out our Code of Conduct.




















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          $begingroup$

          Dataframe is a representation of 2 D matrix in R. R does not support MultiIndex dataframes that can represent more complex structures.



          Maybe you can model the problem as a Tensor ( https://cran.r-project.org/web/packages/tensorr/vignettes/introduction.html , https://www.rdocumentation.org/packages/rTensor/versions/1.4/topics/Tensor-class)






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            0












            $begingroup$

            Dataframe is a representation of 2 D matrix in R. R does not support MultiIndex dataframes that can represent more complex structures.



            Maybe you can model the problem as a Tensor ( https://cran.r-project.org/web/packages/tensorr/vignettes/introduction.html , https://www.rdocumentation.org/packages/rTensor/versions/1.4/topics/Tensor-class)






            share|improve this answer









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              0












              $begingroup$

              Dataframe is a representation of 2 D matrix in R. R does not support MultiIndex dataframes that can represent more complex structures.



              Maybe you can model the problem as a Tensor ( https://cran.r-project.org/web/packages/tensorr/vignettes/introduction.html , https://www.rdocumentation.org/packages/rTensor/versions/1.4/topics/Tensor-class)






              share|improve this answer









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                0












                0








                0





                $begingroup$

                Dataframe is a representation of 2 D matrix in R. R does not support MultiIndex dataframes that can represent more complex structures.



                Maybe you can model the problem as a Tensor ( https://cran.r-project.org/web/packages/tensorr/vignettes/introduction.html , https://www.rdocumentation.org/packages/rTensor/versions/1.4/topics/Tensor-class)






                share|improve this answer









                $endgroup$



                Dataframe is a representation of 2 D matrix in R. R does not support MultiIndex dataframes that can represent more complex structures.



                Maybe you can model the problem as a Tensor ( https://cran.r-project.org/web/packages/tensorr/vignettes/introduction.html , https://www.rdocumentation.org/packages/rTensor/versions/1.4/topics/Tensor-class)







                share|improve this answer












                share|improve this answer



                share|improve this answer










                answered Mar 20 at 10:06









                Shamit VermaShamit Verma

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