How can I select data, from inside a folder directory, on GUI guide and plot this data?

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Luciana Noronha
Luciana Noronha 2018-10-23
编辑： Luciana Noronha 2018-10-23
Hi there,
I would like to plot data using GUI guide on matlab.
I have inside a folder directory, some data points. That in the normal workspace, not using GUI, I plot as follows:
plot(px, pp(:,3,4),'g-','LineWidth',1);
hold on
(there are multiple data points)
I would like help on how to access these data stored in the form of workspace.mat in GUI? My goal is to have 3 push buttons on GUI, where I select which kind of plot I want to be displayed.
I also intend to use a pop-up menu to select the different data samples inside a folder directory.
Thank you for the help. I hope I made myself clear, sorry I am new to Matlab and new to GUI.

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