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Is it a red flag that increasing the number of parameters makes the model less able to overfit small amounts of data?



Unicorn Meta Zoo #1: Why another podcast?
Announcing the arrival of Valued Associate #679: Cesar Manara
2019 Moderator Election Q&A - Questionnaire
2019 Community Moderator Election ResultsHow to set the number of neurons and layers in neural networksUnderstanding Tensorflow LSTM models?Neural net learning only one class?Implementing the Dependency Sensitive CNN (DSCNN ) in Kerasmultiple digit detectionHow to improve loss and avoid overfittingRegularization - Combine drop out with early stoppingNER at sentence level or document level?Using RNN (LSTM) for Gesture Recognition SystemComputer Vision: Handling dataset(3D data or scan) with different timestepsDoes it make sense to train a convolutional neural network on lo-res, use on hi-res pictures?










3












$begingroup$


I'm training a deep network (CNN-LSTM-CRF) for Named Entity Recognition. Is there a reason that increasing the number of parameters would make the network less able to overfit a small training set (~20 sentences), or does this indicate a serious bug in the code?










share|improve this question









$endgroup$







  • 3




    $begingroup$
    No, it means you have to train it more.
    $endgroup$
    – Vaalizaadeh
    Jul 9 '18 at 1:36






  • 1




    $begingroup$
    "less able to overfit" -- explain how it is that you are measuring this, and we can help more.
    $endgroup$
    – Scott
    Jul 9 '18 at 4:11















3












$begingroup$


I'm training a deep network (CNN-LSTM-CRF) for Named Entity Recognition. Is there a reason that increasing the number of parameters would make the network less able to overfit a small training set (~20 sentences), or does this indicate a serious bug in the code?










share|improve this question









$endgroup$







  • 3




    $begingroup$
    No, it means you have to train it more.
    $endgroup$
    – Vaalizaadeh
    Jul 9 '18 at 1:36






  • 1




    $begingroup$
    "less able to overfit" -- explain how it is that you are measuring this, and we can help more.
    $endgroup$
    – Scott
    Jul 9 '18 at 4:11













3












3








3





$begingroup$


I'm training a deep network (CNN-LSTM-CRF) for Named Entity Recognition. Is there a reason that increasing the number of parameters would make the network less able to overfit a small training set (~20 sentences), or does this indicate a serious bug in the code?










share|improve this question









$endgroup$




I'm training a deep network (CNN-LSTM-CRF) for Named Entity Recognition. Is there a reason that increasing the number of parameters would make the network less able to overfit a small training set (~20 sentences), or does this indicate a serious bug in the code?







deep-learning nlp lstm cnn named-entity-recognition






share|improve this question













share|improve this question











share|improve this question




share|improve this question










asked Jul 9 '18 at 1:24









SolveItSolveIt

1162




1162







  • 3




    $begingroup$
    No, it means you have to train it more.
    $endgroup$
    – Vaalizaadeh
    Jul 9 '18 at 1:36






  • 1




    $begingroup$
    "less able to overfit" -- explain how it is that you are measuring this, and we can help more.
    $endgroup$
    – Scott
    Jul 9 '18 at 4:11












  • 3




    $begingroup$
    No, it means you have to train it more.
    $endgroup$
    – Vaalizaadeh
    Jul 9 '18 at 1:36






  • 1




    $begingroup$
    "less able to overfit" -- explain how it is that you are measuring this, and we can help more.
    $endgroup$
    – Scott
    Jul 9 '18 at 4:11







3




3




$begingroup$
No, it means you have to train it more.
$endgroup$
– Vaalizaadeh
Jul 9 '18 at 1:36




$begingroup$
No, it means you have to train it more.
$endgroup$
– Vaalizaadeh
Jul 9 '18 at 1:36




1




1




$begingroup$
"less able to overfit" -- explain how it is that you are measuring this, and we can help more.
$endgroup$
– Scott
Jul 9 '18 at 4:11




$begingroup$
"less able to overfit" -- explain how it is that you are measuring this, and we can help more.
$endgroup$
– Scott
Jul 9 '18 at 4:11










1 Answer
1






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oldest

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0












$begingroup$

It is not necessarily a red flag. Of course, without seeing the code, it is impossible to say that for sure.



What is likely happening here is that adding parameters to your model, it makes it harder for it to converge to some minimum. More parameters roughly mean that your model is able to explain "more complex stuff". And since you have a small amount of data, the explanation should remain rather simple. Therefore, your model is trying to explain something simple in a complicated way, and it might not be easy to do so.



Also, are you using dropout or regularization? If yes, this might also be an issue as these are explicitly use to avoid overfitting.






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    1 Answer
    1






    active

    oldest

    votes









    active

    oldest

    votes






    active

    oldest

    votes









    0












    $begingroup$

    It is not necessarily a red flag. Of course, without seeing the code, it is impossible to say that for sure.



    What is likely happening here is that adding parameters to your model, it makes it harder for it to converge to some minimum. More parameters roughly mean that your model is able to explain "more complex stuff". And since you have a small amount of data, the explanation should remain rather simple. Therefore, your model is trying to explain something simple in a complicated way, and it might not be easy to do so.



    Also, are you using dropout or regularization? If yes, this might also be an issue as these are explicitly use to avoid overfitting.






    share|improve this answer









    $endgroup$

















      0












      $begingroup$

      It is not necessarily a red flag. Of course, without seeing the code, it is impossible to say that for sure.



      What is likely happening here is that adding parameters to your model, it makes it harder for it to converge to some minimum. More parameters roughly mean that your model is able to explain "more complex stuff". And since you have a small amount of data, the explanation should remain rather simple. Therefore, your model is trying to explain something simple in a complicated way, and it might not be easy to do so.



      Also, are you using dropout or regularization? If yes, this might also be an issue as these are explicitly use to avoid overfitting.






      share|improve this answer









      $endgroup$















        0












        0








        0





        $begingroup$

        It is not necessarily a red flag. Of course, without seeing the code, it is impossible to say that for sure.



        What is likely happening here is that adding parameters to your model, it makes it harder for it to converge to some minimum. More parameters roughly mean that your model is able to explain "more complex stuff". And since you have a small amount of data, the explanation should remain rather simple. Therefore, your model is trying to explain something simple in a complicated way, and it might not be easy to do so.



        Also, are you using dropout or regularization? If yes, this might also be an issue as these are explicitly use to avoid overfitting.






        share|improve this answer









        $endgroup$



        It is not necessarily a red flag. Of course, without seeing the code, it is impossible to say that for sure.



        What is likely happening here is that adding parameters to your model, it makes it harder for it to converge to some minimum. More parameters roughly mean that your model is able to explain "more complex stuff". And since you have a small amount of data, the explanation should remain rather simple. Therefore, your model is trying to explain something simple in a complicated way, and it might not be easy to do so.



        Also, are you using dropout or regularization? If yes, this might also be an issue as these are explicitly use to avoid overfitting.







        share|improve this answer












        share|improve this answer



        share|improve this answer










        answered Jul 10 '18 at 12:52









        Valentin CalommeValentin Calomme

        1,365523




        1,365523



























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