'PlotVenn in r- I would like percentage labels rather than number of matches
I have plotted a four-way venn using plotVenn but would quite like my diagram to show me percentages for each section rather than number of matches as it does by default. Any idea of how I can ask for percentage rather than the default? So, for example the 15 in the middle where 1,2,3 and 4 overlap would be a percentage of the 93 total participants (15/93 so 16%).
I have tried changing printmode, label and label regions but this does not seem to be appropriate for plotVenn. Below is what venn currently looks like.
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