I'm creating a density plot in ggplot2 using geom_density. Is there a way to highlight the first 50% of cumulative density? So in the attached chart (see image) it would shade the left half of the chart until the cumulative density hits 50%.
Or is there a way to calculate the x value at which the cumulative density hits 50%? Thanks for the help!
In general, this is possible. Please provide your code or an example using some toy data and I am sure we can help you.
The general idea would be: calculate the median and, within the ggplot, to split the data into lower and higher groups based on this threshhold.
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