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Dec 11, 2018

Data Mining Discussion 6 d

What is the essence of density-based methods?Density-based clustering methods are data-driven, they partition the set of data objects and then adapt to the distribution of said objects in the embedding space. To find clusters of arbitrary shape, clusters are modeled as dense regions in the data space, separated by

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Dec 11, 2018

Data Mining Discussion 6 c

What is the essence of hierarchical methods?In hierarchical clustering, the data is not partitioned into a particular cluster in...

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Dec 11, 2018

Data Mining Discussion 6 a

What is Cluster Analysis?• Cluster: a collection of data objects – Similar to one another within the same cluster – Dissimilar to...

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Dec 11, 2018

Data Mining Discussion 6 b

What is the essence of the method of partitioning?Most partitioning methods are distance-based. The clusters are formed in an...

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Dec 11, 2018

Data Mining Discussion 5 d

What is an ensemble method? What are some popular ensemble methods?Ensemble methods are used for increasing classification accuracy. An...

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Dec 11, 2018

Data Mining Discussion 5 c

What are Bayesian classifiers?Bayesian classifiers are statistically based classifiers which can predict the classlabel probabilities that the data belongs...