cluster-analysis

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Equivalent of Matlab's cluster quality function?

M开发者_运维百科ATLAB has a nice silhouette function to help evaluate the number of clusters for k-means. Is there an equivalent for Python\'s Numpy/Scipy as well?I present below a sample silhouette i[详细]

2023-03-19 10:48 分类：问答
Hierarchical clusterization heuristics

I want to explore relations between data items in large array. Every data item represented by multidimensional vector. First of all, I\'ve decided to use clusterization. I\'m interested in finding hie[详细]

2023-03-19 10:48 分类：问答
How does (carrot) clustering work in solr?

i have running Lucene/Solr 4 for testing different features, also \"clustering\". Currently, 1 million documents are indexed. Every document has the following fields:[详细]

2023-03-16 14:38 分类：问答
what is solr clustering component

I just went through solr wiki page for clustering. But i am not getting what is the benefit of using clustering. Can anyone tell me what is actually clusering and what its use in indexing and searchin[详细]

2023-03-16 08:18 分类：问答
Cluster analysis with LAMP

I am looking for a way to do some data cluster analysis. This is way out of my league but i know it can be done. I am looking for ways to cluster the data that i have and present it in a visual way. O[详细]

2023-03-16 04:15 分类：问答
Solr3.2 Carrot2 Clustering nothing but "Other Topics"

it is said that the Carrot integration into Solr was improved since the release of Solr 3.2 but it turns out to be different for me. I had a absolutly same configurated Solr 1.4.1 Server running were[详细]

2023-03-16 02:11 分类：问答
Algorithm for returning similar documents represented in Vector space model

I have a DB containing tf-idf vectors of about 30,000 documents. I would like to return for a given document a set of similar documents - about 4 or so.[详细]

2023-03-14 21:38 分类：问答
Creating a cluster centroid prone to noise

I\'m working on a clustering algorithm to group similar ranges of real numbers. After I group them, I have to create one range for that cluster, i.e., cluster centroid. For example, if one cluster con[详细]

2023-03-14 13:28 分类：问答
How do I print out objects in an array in python?

I\'m writing a code which performs a k-means clustering on a set of data.I\'m actually using the code from a book called collective intelligence by O\'Reilly.Everything works, but in his code he uses[详细]

2023-03-14 05:23 分类：问答
K-Means Algorithm [duplicate]

This question already has answers here: 开发者_运维技巧Closed 11 years ago. Possible Duplicates:[详细]

2023-03-13 06:01 分类：问答