Convert List of Associations into Association of Lists

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2
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For neuralnetworks mathematica likes 2 ways to structure trainingsets:



listFormatData = "Input" -> input2, "OutputKey1" -> OutputKey1Input2Output, ...


and 



assocFormatData = <|
"Input" -> input1, input2, ..., 
"OutputKey1" -> OutputKey1Input1Output, OutputKey1Input2Output, ...
, ...
|>


Is the a stock way to convert these 2 formats properly?



concrete examples:



listData = 
<


and 



assocData = <|
"Input" -> 1, 2, 3, 
"double" -> 2, 4, 6, 
"squared" -> 1, 4, 9
|>





list-manipulation associations neural-networks







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  • What does Normal[Transpose[Dataset[listData]]] return for you? (Also if you replace listData with assocData?)
    – J. M. is computer-less♦
    1 hour ago















up vote
2
down vote

favorite












For neuralnetworks mathematica likes 2 ways to structure trainingsets:



listFormatData = "Input" -> input2, "OutputKey1" -> OutputKey1Input2Output, ...


and 



assocFormatData = <|
"Input" -> input1, input2, ..., 
"OutputKey1" -> OutputKey1Input1Output, OutputKey1Input2Output, ...
, ...
|>


Is the a stock way to convert these 2 formats properly?



concrete examples:



listData = 
<


and 



assocData = <|
"Input" -> 1, 2, 3, 
"double" -> 2, 4, 6, 
"squared" -> 1, 4, 9
|>





list-manipulation associations neural-networks







share|improve this question





















  • What does Normal[Transpose[Dataset[listData]]] return for you? (Also if you replace listData with assocData?)
    – J. M. is computer-less♦
    1 hour ago













up vote
2
down vote

favorite









up vote
2
down vote

favorite











For neuralnetworks mathematica likes 2 ways to structure trainingsets:



listFormatData = "Input" -> input2, "OutputKey1" -> OutputKey1Input2Output, ...


and 



assocFormatData = <|
"Input" -> input1, input2, ..., 
"OutputKey1" -> OutputKey1Input1Output, OutputKey1Input2Output, ...
, ...
|>


Is the a stock way to convert these 2 formats properly?



concrete examples:



listData = 
<


and 



assocData = <|
"Input" -> 1, 2, 3, 
"double" -> 2, 4, 6, 
"squared" -> 1, 4, 9
|>





list-manipulation associations neural-networks







share|improve this question













For neuralnetworks mathematica likes 2 ways to structure trainingsets:



listFormatData = "Input" -> input2, "OutputKey1" -> OutputKey1Input2Output, ...


and 



assocFormatData = <|
"Input" -> input1, input2, ..., 
"OutputKey1" -> OutputKey1Input1Output, OutputKey1Input2Output, ...
, ...
|>


Is the a stock way to convert these 2 formats properly?



concrete examples:



listData = 
<


and 



assocData = <|
"Input" -> 1, 2, 3, 
"double" -> 2, 4, 6, 
"squared" -> 1, 4, 9
|>





list-manipulation associations neural-networks




list-manipulation associations neural-networks






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asked 1 hour ago









Gladaed

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  • What does Normal[Transpose[Dataset[listData]]] return for you? (Also if you replace listData with assocData?)
    – J. M. is computer-less♦
    1 hour ago

















  • What does Normal[Transpose[Dataset[listData]]] return for you? (Also if you replace listData with assocData?)
    – J. M. is computer-less♦
    1 hour ago
















What does Normal[Transpose[Dataset[listData]]] return for you? (Also if you replace listData with assocData?)
– J. M. is computer-less♦
1 hour ago





What does Normal[Transpose[Dataset[listData]]] return for you? (Also if you replace listData with assocData?)
– J. M. is computer-less♦
1 hour ago











2 Answers
2






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3
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Merge[listData, Identity]



<|"Input" -> 1, 2, 3, "double" -> 2, 4, 6, "squared" -> 1, 4, 9|>




listFormatData = >,
 <;
Merge[listFormatData , Identity]



<|"Input" -> input1, input2,
"OutputKey1" -> OutputKey1Input1Output, OutputKey1Input2Output|>







share|improve this answer



























    up vote
    1
    down vote













    A function that is of great use here, is AssociationTranspose in the GeneralUtilities package. It does the same thing as regular transpose, but works with List and Associations alike (and mixtures of the two):



    listData = >,
     <;
    assocData = <|"Input" -> 1, 2, 3, "double" -> 2, 4, 6, "squared" -> 1, 4, 9|>;
    GeneralUtilities`AssociationTranspose[listData] === assocData
    GeneralUtilities`AssociationTranspose[assocData] === listData




    Out[11]= True



    Out[12]= True








    share|improve this answer




















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      2 Answers
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      2 Answers
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      Merge[listData, Identity]



      <|"Input" -> 1, 2, 3, "double" -> 2, 4, 6, "squared" -> 1, 4, 9|>




      listFormatData = >,
       <;
      Merge[listFormatData , Identity]



      <|"Input" -> input1, input2,
      "OutputKey1" -> OutputKey1Input1Output, OutputKey1Input2Output|>







      share|improve this answer
























        up vote
        3
        down vote













        Merge[listData, Identity]



        <|"Input" -> 1, 2, 3, "double" -> 2, 4, 6, "squared" -> 1, 4, 9|>




        listFormatData = >,
         <;
        Merge[listFormatData , Identity]



        <|"Input" -> input1, input2,
        "OutputKey1" -> OutputKey1Input1Output, OutputKey1Input2Output|>







        share|improve this answer






















          up vote
          3
          down vote










          up vote
          3
          down vote









          Merge[listData, Identity]



          <|"Input" -> 1, 2, 3, "double" -> 2, 4, 6, "squared" -> 1, 4, 9|>




          listFormatData = >,
           <;
          Merge[listFormatData , Identity]



          <|"Input" -> input1, input2,
          "OutputKey1" -> OutputKey1Input1Output, OutputKey1Input2Output|>







          share|improve this answer












          Merge[listData, Identity]



          <|"Input" -> 1, 2, 3, "double" -> 2, 4, 6, "squared" -> 1, 4, 9|>




          listFormatData = >,
           <;
          Merge[listFormatData , Identity]



          <|"Input" -> input1, input2,
          "OutputKey1" -> OutputKey1Input1Output, OutputKey1Input2Output|>








          share|improve this answer












          share|improve this answer



          share|improve this answer










          answered 1 hour ago









          kglr

          166k8188389




          166k8188389




















              up vote
              1
              down vote













              A function that is of great use here, is AssociationTranspose in the GeneralUtilities package. It does the same thing as regular transpose, but works with List and Associations alike (and mixtures of the two):



              listData = >,
               <;
              assocData = <|"Input" -> 1, 2, 3, "double" -> 2, 4, 6, "squared" -> 1, 4, 9|>;
              GeneralUtilities`AssociationTranspose[listData] === assocData
              GeneralUtilities`AssociationTranspose[assocData] === listData




              Out[11]= True



              Out[12]= True








              share|improve this answer
























                up vote
                1
                down vote













                A function that is of great use here, is AssociationTranspose in the GeneralUtilities package. It does the same thing as regular transpose, but works with List and Associations alike (and mixtures of the two):



                listData = >,
                 <;
                assocData = <|"Input" -> 1, 2, 3, "double" -> 2, 4, 6, "squared" -> 1, 4, 9|>;
                GeneralUtilities`AssociationTranspose[listData] === assocData
                GeneralUtilities`AssociationTranspose[assocData] === listData




                Out[11]= True



                Out[12]= True








                share|improve this answer






















                  up vote
                  1
                  down vote










                  up vote
                  1
                  down vote









                  A function that is of great use here, is AssociationTranspose in the GeneralUtilities package. It does the same thing as regular transpose, but works with List and Associations alike (and mixtures of the two):



                  listData = >,
                   <;
                  assocData = <|"Input" -> 1, 2, 3, "double" -> 2, 4, 6, "squared" -> 1, 4, 9|>;
                  GeneralUtilities`AssociationTranspose[listData] === assocData
                  GeneralUtilities`AssociationTranspose[assocData] === listData




                  Out[11]= True



                  Out[12]= True








                  share|improve this answer












                  A function that is of great use here, is AssociationTranspose in the GeneralUtilities package. It does the same thing as regular transpose, but works with List and Associations alike (and mixtures of the two):



                  listData = >,
                   <;
                  assocData = <|"Input" -> 1, 2, 3, "double" -> 2, 4, 6, "squared" -> 1, 4, 9|>;
                  GeneralUtilities`AssociationTranspose[listData] === assocData
                  GeneralUtilities`AssociationTranspose[assocData] === listData




                  Out[11]= True



                  Out[12]= True









                  share|improve this answer












                  share|improve this answer



                  share|improve this answer










                  answered 21 mins ago









                  Sjoerd Smit

                  2,985715




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