cluster analysis - how to show seaborn clustermap insider a jupyter notebook

Question

I've run Seaborn's clustermap and saved the result into a ClusterGrid object named "test". However due to some unknown reason that command didn't show the clustermap unless I run it again, although the "test" isn't empty. It is indeed a ClusterGrid object.

So is there any simple way to show/plot the ClusterGrid since I've saved it? I tried plt.plot but it didn't work.

Answer 1

Typing dir(test) should show you methods and attributes of the seaborn.matrix.ClusterGrid. (seaborn.matrix.ClusterGrid is what you should see if you type type(test).) Among the list are two items, fig and savefig.

test.fig will allow you to display the plot again any cell below the one that generated it, assuming %matplotlib inline was invoked earlier. So if it is displaying unreliably in the generating cell, put a cell with test.fig right below that one and you'll see it.

test.savefig("test_plot.png") should save the plot as an image file. You can use code to show that image with from IPython.display import Image; Image("test_plot_.png"), and that will get embedded in the saved notebook and shown subsequently in static renders.