Elements added to the PCA factors (EDX data)

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Apr 27, 2018, 5:48:44 AM4/27/18
to hyperspy-users
Hi all,

I was wondering whether there is a way of plotting/exporting the results of a PCA decomposition where the individual EDX spectra contain all the X-ray lines previously specified. It's like including the function "add_elements" somewhere in the "decomposition" or "plot_decomposition_results".


Thomas Aarholt

Apr 27, 2018, 9:28:50 AM4/27/18
to hyperspy-users
Hi there!

Very briefly, what you should do is use "factors = s.get_decomposition_factors()", to produce a spectrum image, "factors.set_signal_type('EDSTEM')" to pretend that this is an EDS spectrum image, and "factors.add_elements()" to add the elements. Then use "factors.plot(True)" to plot with the lines.

You'll lose the ability to sync the factor and loading plots, but you can get and plot the loadings alongside this with "s.get_decomposition_loadings().plot()".

If you have any trouble with this, come join the gitter chat or email back here. The former is faster :)


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