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hcluster.js's Introduction

hcluster.js

Agglomerative Hierarchical Clustering in JavaScript. (that plays nice with d3.js).

Demo + Blog Post

by @ChrisPolis

Usage

var colorCluster = hcluster()
  .distance('euclidean') // support for 'euclidean' and 'angular'
  .linkage('avg')        // support for 'avg', 'max' and 'min'
  .verbose(true)         // false by default
  .posKey('rgbValue')    // 'position' by default

  // pass in an array of objects w/ array values for 'position' or specified posKey()
  .data(colors);         // as an array of objects w/ array values for 'position'

// integrate into d3 layout.cluster
var cluster = d3.layout.cluster().size([200, 200]),
    nodes = cluster.nodes(colorCluster.tree()),
    links = cluster.links(nodes);

// get the tree, cut incertain ways
colorCluster.orderedNodes();  // returns array of leaves, ordered by tree structure
colorCluster.getClusters(k); // return k(2 to n) clusters of leaves

License

MIT

hcluster.js's People

Contributors

cmpolis avatar mhuyck avatar

Stargazers

Jean Christophe Roy avatar Wil avatar dong avatar alankang-dvs avatar  avatar Akul Mehta avatar Max Brown avatar wandergis avatar Philippe Rivière avatar Kamil Slowikowski avatar Andrew Colello avatar William Wolf avatar  avatar ajiang avatar corlin avatar  avatar Andrej Lamov avatar Darien Sokolov avatar William Woof avatar Danny Yang avatar Ryan Moore avatar Ivan Viragine avatar Steven Lee avatar tarek hariri avatar Benjamin Stauss avatar Xavi Gimenez avatar zhihao avatar Fabio Dias Rollo avatar Alexandr Kalinin avatar timelyportfolio avatar  avatar

Watchers

 avatar timelyportfolio avatar James Cloos avatar  avatar  avatar

hcluster.js's Issues

Does not seem to work with NaN/missing values

Hi, I'm loving this script but I can't seem to get it to work with missing values:

values:Array[32]
0:NaN
1:NaN
2:0
3:NaN

When I replace NaN with any valid int it works just fine.

values:Array[32]
0:-2
1:-2
2:0
3:-2

Could use height scale more optimal

When providing the code with an increased height the space is not used optimally;
heightscaling_hcluster

Your cryaon demo does seem to do the trick. Is there a different version or additional code there?

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