MATLAB: Is there a library for labeling scatter plot while avoiding label overlaps

MATLABmatlab guiplotting

I would like to plot many data points in a scatter plot and some data points are located very close together. Is there a library for smart label placement so that the label overlap will be minimized?

I found a package for R: https://cran.r-project.org/web/packages/ggrepel/vignettes/ggrepel.html which seems to provide this functionality. Is there a similar library for MATLAB?

Best Answer

I am not aware of anything provided by MathWorks. You might look through this post, as well as looking into this file exchange function.

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The easiest option is to use the 'FontSize' (link) name-value pair argument. (I cannot determine in what version that option first became available.)

MATLAB: Show time labels on points in a quiver plot (inside the plot)

I don't think quiver has any built-in labeling capabilities, but you could manually add text to any location(s) with text(x,y,'text string'). Here's an example with several text labels:

x = 1:3; 
y = [5 2 7]; 
strings = {'string 1';'string 2';'string 3'}; 
plot(x,y,'r.')
axis([0 4 1 8])
text(x,y,strings)

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