python Programming Glossary: heatmap

http://stackoverflow.com/questions/14391959/heatmap-in-matplotlib-with-pcolor

in matplotlib with pcolor I'd like to make a heatmap like this shown on FlowingData The source data is here but random.. list 'WXYZ' data numpy.random.rand 4 4 Making the heatmap is easy enough in matplotlib from matplotlib import pyplot as.. enough in matplotlib from matplotlib import pyplot as plt heatmap plt.pcolor data And I even found a colormap arguments that look..

Generate a heatmap in MatPlotLib using a scatter data set

http://stackoverflow.com/questions/2369492/generate-a-heatmap-in-matplotlib-using-a-scatter-data-set

a heatmap in MatPlotLib using a scatter data set I have a set of X Y.. as a scatter plot but that I would like to represent as a heatmap. I looked through the examples in MatPlotLib and they all seem.. in MatPlotLib and they all seem to already start with heatmap cell values to generate the image. Is there a method that converts..

Converting python objects for rpy2

http://stackoverflow.com/questions/2447454/converting-python-objects-for-rpy2

for rpy2 The following code is supposed to create a heatmap in rpy2 import numpy as np from rpy2.robjects import r data.. from rpy2.robjects import r data np.random.random 10 10 r.heatmap data However it results in the following error Traceback most.. at the moment. From the documentation I learn that r.heatmap expects a numeric matrix . How do I convert np.array to the..

Reordering matrix elements to reflect column and row clustering in naiive python

http://stackoverflow.com/questions/2455761/reordering-matrix-elements-to-reflect-column-and-row-clustering-in-naiive-python

close each to another in the matrix and then generate heatmap the clustering of the data may become evident to the viewer..

How can I plot NaN values as a special color with imshow in matplotlib?

http://stackoverflow.com/questions/2578752/how-can-i-plot-nan-values-as-a-special-color-with-imshow-in-matplotlib

I am trying to use imshow in matplotlib to plot data as a heatmap but some of the values are NaNs. I'd like the NaNs to be rendered..