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Overfitting in K-means



2019 Community Moderator ElectionOverfitting in an unsupervised techniqueCan overfitting occur even with validation loss still dropping?Overfitting Naive Bayesinformation leakage when using empirical Bayesian to generate a predictorvalidation/training accuracy and overfittingSignificant overfitting with CVHow to improve loss and avoid overfittingIs my model overfitting when I add new features?Check Overfitting in CNNIs Overfitting always bad?Overfitting - how to detect it and reduce it?










2












$begingroup$


How do you test your results for overfitting in a k-means run? Some people have said use a training set. I have about 1500 records and about 20 fields.










share|improve this question









$endgroup$







  • 1




    $begingroup$
    You can't overfit K-Means. It can, however, be non-robust. It's unsupervised learning, not supervised. Keywords for theory: silhouette analysis, elbow method, gap statistics, mutual information
    $endgroup$
    – Carl Rynegardh
    Mar 26 at 20:03











  • $begingroup$
    @CarlRynegardh although this answer shares the same opinion, this answer seems quite reasonable too. We can settle for a subjective overfitting I think!
    $endgroup$
    – Esmailian
    Mar 26 at 20:43
















2












$begingroup$


How do you test your results for overfitting in a k-means run? Some people have said use a training set. I have about 1500 records and about 20 fields.










share|improve this question









$endgroup$







  • 1




    $begingroup$
    You can't overfit K-Means. It can, however, be non-robust. It's unsupervised learning, not supervised. Keywords for theory: silhouette analysis, elbow method, gap statistics, mutual information
    $endgroup$
    – Carl Rynegardh
    Mar 26 at 20:03











  • $begingroup$
    @CarlRynegardh although this answer shares the same opinion, this answer seems quite reasonable too. We can settle for a subjective overfitting I think!
    $endgroup$
    – Esmailian
    Mar 26 at 20:43














2












2








2





$begingroup$


How do you test your results for overfitting in a k-means run? Some people have said use a training set. I have about 1500 records and about 20 fields.










share|improve this question









$endgroup$




How do you test your results for overfitting in a k-means run? Some people have said use a training set. I have about 1500 records and about 20 fields.







k-means overfitting






share|improve this question













share|improve this question











share|improve this question




share|improve this question










asked Mar 26 at 19:35









guestguest

112




112







  • 1




    $begingroup$
    You can't overfit K-Means. It can, however, be non-robust. It's unsupervised learning, not supervised. Keywords for theory: silhouette analysis, elbow method, gap statistics, mutual information
    $endgroup$
    – Carl Rynegardh
    Mar 26 at 20:03











  • $begingroup$
    @CarlRynegardh although this answer shares the same opinion, this answer seems quite reasonable too. We can settle for a subjective overfitting I think!
    $endgroup$
    – Esmailian
    Mar 26 at 20:43













  • 1




    $begingroup$
    You can't overfit K-Means. It can, however, be non-robust. It's unsupervised learning, not supervised. Keywords for theory: silhouette analysis, elbow method, gap statistics, mutual information
    $endgroup$
    – Carl Rynegardh
    Mar 26 at 20:03











  • $begingroup$
    @CarlRynegardh although this answer shares the same opinion, this answer seems quite reasonable too. We can settle for a subjective overfitting I think!
    $endgroup$
    – Esmailian
    Mar 26 at 20:43








1




1




$begingroup$
You can't overfit K-Means. It can, however, be non-robust. It's unsupervised learning, not supervised. Keywords for theory: silhouette analysis, elbow method, gap statistics, mutual information
$endgroup$
– Carl Rynegardh
Mar 26 at 20:03





$begingroup$
You can't overfit K-Means. It can, however, be non-robust. It's unsupervised learning, not supervised. Keywords for theory: silhouette analysis, elbow method, gap statistics, mutual information
$endgroup$
– Carl Rynegardh
Mar 26 at 20:03













$begingroup$
@CarlRynegardh although this answer shares the same opinion, this answer seems quite reasonable too. We can settle for a subjective overfitting I think!
$endgroup$
– Esmailian
Mar 26 at 20:43





$begingroup$
@CarlRynegardh although this answer shares the same opinion, this answer seems quite reasonable too. We can settle for a subjective overfitting I think!
$endgroup$
– Esmailian
Mar 26 at 20:43











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