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What does Make Density Based Clusterer in Weka do?


Classify Customers based on 2 features AND a Time series of eventsClustering based on partial information?What does the “numDecimalPlaces” in J48 classifier do in WEKA?How to reload all attributes in WEKADensity Tree - What is the x axis?How does the seed value work in Weka for clustering?How do I simultaneously select multiple values for k-means in WEKA?WEKA Multilayer Perceptron with large datasetHow to cluster histograms or density distributions?Can not run Auto WEKA













1












$begingroup$


In Weka, there is a clustering algorithm with the name as Make Density Based Clusterer. When going through its properties, it takes a clusterer as base clusterer(I took it as K-means with k=3).
It initially performs k-means and creates three clusters. I see prior probabilities for each cluster and attribute-wise normal distribution means and standard deviation in the result buffer.



What happens after k-means clusters are calculated?
What role mean, standard deviation and prior probabilities play here?
Why is it called density based?










share|improve this question









$endgroup$
















    1












    $begingroup$


    In Weka, there is a clustering algorithm with the name as Make Density Based Clusterer. When going through its properties, it takes a clusterer as base clusterer(I took it as K-means with k=3).
    It initially performs k-means and creates three clusters. I see prior probabilities for each cluster and attribute-wise normal distribution means and standard deviation in the result buffer.



    What happens after k-means clusters are calculated?
    What role mean, standard deviation and prior probabilities play here?
    Why is it called density based?










    share|improve this question









    $endgroup$














      1












      1








      1





      $begingroup$


      In Weka, there is a clustering algorithm with the name as Make Density Based Clusterer. When going through its properties, it takes a clusterer as base clusterer(I took it as K-means with k=3).
      It initially performs k-means and creates three clusters. I see prior probabilities for each cluster and attribute-wise normal distribution means and standard deviation in the result buffer.



      What happens after k-means clusters are calculated?
      What role mean, standard deviation and prior probabilities play here?
      Why is it called density based?










      share|improve this question









      $endgroup$




      In Weka, there is a clustering algorithm with the name as Make Density Based Clusterer. When going through its properties, it takes a clusterer as base clusterer(I took it as K-means with k=3).
      It initially performs k-means and creates three clusters. I see prior probabilities for each cluster and attribute-wise normal distribution means and standard deviation in the result buffer.



      What happens after k-means clusters are calculated?
      What role mean, standard deviation and prior probabilities play here?
      Why is it called density based?







      machine-learning clustering k-means unsupervised-learning weka






      share|improve this question













      share|improve this question











      share|improve this question




      share|improve this question










      asked yesterday









      Manasvi DuggalManasvi Duggal

      334




      334




















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          $begingroup$

          Based on this paper, MakeDensityBasedClusterer is a metaclusterer that wraps a clustering algorithm to make it return a probability distribution and density. To each cluster and attribute, it fits a discrete distribution or a symmetric normal distribution (whose minimum standard deviation is a parameter).






          share|improve this answer










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          Pallie 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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            $begingroup$

            Based on this paper, MakeDensityBasedClusterer is a metaclusterer that wraps a clustering algorithm to make it return a probability distribution and density. To each cluster and attribute, it fits a discrete distribution or a symmetric normal distribution (whose minimum standard deviation is a parameter).






            share|improve this answer










            New contributor




            Pallie 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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              0












              $begingroup$

              Based on this paper, MakeDensityBasedClusterer is a metaclusterer that wraps a clustering algorithm to make it return a probability distribution and density. To each cluster and attribute, it fits a discrete distribution or a symmetric normal distribution (whose minimum standard deviation is a parameter).






              share|improve this answer










              New contributor




              Pallie 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





                $begingroup$

                Based on this paper, MakeDensityBasedClusterer is a metaclusterer that wraps a clustering algorithm to make it return a probability distribution and density. To each cluster and attribute, it fits a discrete distribution or a symmetric normal distribution (whose minimum standard deviation is a parameter).






                share|improve this answer










                New contributor




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






                $endgroup$



                Based on this paper, MakeDensityBasedClusterer is a metaclusterer that wraps a clustering algorithm to make it return a probability distribution and density. To each cluster and attribute, it fits a discrete distribution or a symmetric normal distribution (whose minimum standard deviation is a parameter).







                share|improve this answer










                New contributor




                Pallie 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 answer



                share|improve this answer








                edited yesterday









                ebrahimi

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                answered yesterday









                PalliePallie

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