dendrogram in python

Question

I am wanting to write code to draw a dendrogram in python. is there a simple way of going about it.

I have written code that identifies clusters in a point dataset and want to produce a dendrogram that shows the amount of clusters produced for each iteration

for example when i run my code on this dataset i get 1 cluster the first iteration

enter image description here

and 2 clusters the second iteration

enter image description here

so i would like to produce something that shows this. but don't really know where to start

enter image description here

each point has a 'label' attribute which is a list of each cluster the point was in after each iteration.

i.e. in this example some of the points label attribut is [0,0] and the others are [0,1]. so if i were to use scipy dendrogram how would i got from this to the linkage format

gspr · Accepted Answer · 2012-03-10 17:50:49Z

8

SciPy does clustering and comes with a function to turn such clusterings into dendrograms. If you've written your own clustering, perhaps you can still use what SciPy offers?

answered Mar 10, 2012 at 17:50

gspr

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2 Comments

geo_pythoncl Over a year ago

i have written my own clustering routine what would i have to input into scipy to produce a dendrogram

gspr Over a year ago

The dendrogram function expects input of the same kind as is returned by linkage. The documentation describes this format.

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