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Old 08-20-2013, 09:46 AM   #2
Location: Berlin

Join Date: Oct 2010
Posts: 71

I don't think this is a problem of the heatmap function, but more of your system. It seems that your data matrix is quite huge, so may I ask on what kind of hardware you are creating this heatmap? It may be that your RAM is too small or your graphics card simply cannot handle this much output.
As a possible solution: have you tried to save the plot to file directly and to open the file afterwards?
rboettcher is offline   Reply With Quote