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Editorial Team
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Asked: 2026-06-18T01:18:08+00:00

I have an IPython Notebook that is using Pandas to back-test a rule-based trading

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I have an IPython Notebook that is using Pandas to back-test a rule-based trading system.

I have a function that accepts various scalars and functions as parameters and outputs a stats pack as some tables and a couple of plots.

For automation, I want to be able to format this nicely into a "page" and then call the function in a loop while varying the inputs and have it output a number of pages for comparison, all from a single notebook cell.

The approach I am taking is to create IpyTables and then call _repr_html_(), building up the HTML output along the way so that I can eventually return it from the function that runs the loop.

How can I capture the output of the plots this way – matplotlib subplot objects don’t seem to implement _repr_html_()?

Feel free to suggest another approach entirely that you think might equally solve the problem.

TIA

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1 Answer

  1. Editorial Team

    Ok, if you go that route, this answer stackoverflow.com/a/5314808/243434 on how to capture >matplotlib figures as inline PNGs may help – @crewbum

    To prevent duplication of plots, try running with pylab disabled (double-check your config >files and the command line). – @crewbum

    –> this last requires a restart of the notebook: ipython notebook –pylab (NB no inline)

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