Similar to the question here - ECDF on the same plot using ggplot2, but what if the number of data points differ. See example below --
a = rnorm(100, 0, 1)
b = rnorm(25, 2, 1)
c = rnorm(75, -2, 0.5)
How do I plot the ECDFs of a, b, and c in the sample plot using ggplot2?