Questions tagged [hcluster]

A hierarchical clustering package for Scipy.

11 questions
10
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2 answers

problem with hierarchical clustering in Python

I am doing a hierarchical clustering a 2 dimensional matrix by correlation distance metric (i.e. 1 - Pearson correlation). My code is the following (the data is in a variable called "data"): from hcluster import * Y = pdist(data,…
user248237
7
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2 answers

Converting ndarray generated by hcluster into a Newick string for use with ete2 package

I have a list of vectors created by running: import hcluster import numpy as np from ete2 import Tree vecs = [np.array(i) for i in document_list] where document_list is a collection of web documents I am analysing. I then perform hierarchical…
user1221408
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3
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1 answer

python hcluster, distance matrix and condensed distance matrix

I'm using the module hcluster to calculate a dendrogram from a distance matrix. My distance matrix is an array of arrays generated like this: import hcluster import numpy as np mols = (..a list of molecules) distMatrix = np.zeros((10, 10)) for i…
Mo Sander
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3
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1 answer

How to use sparse matrix in python hcluster?

I'm trying to use hcluster library in python. I have no enough python knowledges to use sparse matrix in hcluster. Please help me anybody. So, that what I'm doing: import os.path import numpy import scipy import scipy.io from hcluster import…
Daniel
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3
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1 answer

Dendrogram through scipy given a similarity matrix

I have computed a jaccard similarity matrix with Python. I want to cluster highest similarities to lowest, however, no matter what linkage function I use it produces the same dendrogram! I have a feeling that the function assumes that my matrix is…
Kyle Pierce
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2
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1 answer

How to build & install hcluster?

I download hcluster from http://pypi.python.org/pypi/hcluster , then unzip to a folder , then type "python setup.py install" . It seems OK for it shows: Z:\>python setup.py install running install running build running build_py running…
bigbug
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0 answers

Unable to find vcvarsall.bat even if there is in my computer

I am trying to install hcluster library link with easy_install but I have an error "error: Setup script exited with error: Unable to find vcvarsall.bat" The problem is that if I search in my pc, the file is here "C:\Program Files (x86)\Microsoft…
Tasos
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Heatmap with NA values

I was trying to plot a heatmap however in my matrix i have a bunch of NAs. I don't want to throw away the whole rows so i am looking for a solution here. The first error is NA/NaN/Inf in foreign function call (arg 11). I am thinking the hcluster…
Zhen
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1 answer

How to reduce leaves length for fitting labels in R dendrogram?

I produced a cluster with hcluster. original dendogram. For formatting purposes I used as.dendogram. When I did that my labels were cut of. vertical dendogram Even more by the horizontal orientation. The one I need. horizontal dendogram The problem…
0
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1 answer

Can not install hcluster from pypi under python 2.6 on xp

I am using the setup.py file supplied with hcluster with the following lines added: sys.path.append("c:\\Program Files\\Python26\\Lib\\site-packages\\hcluster-0.2.0") sys.path.append("c:\\Program…
0
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1 answer

Error in hierarchical clustering with hcluster in python

I am trying to ran the following code, and I get an AttributeError: 'module' object has no attribute 'hcluster', raised in the last line. I am running in Mountain Lion, I use pip and homebrew, and hcluster is in…
fekioh
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