Hello List,
I use the following code to generate a donut plot.
# Compute percentages
eth$fraction = eth$individuals / sum(eth$individuals)
# Compute the cumulative percentages (top of each rectangle)
eth$ymax = cumsum(eth$fraction)
# Compute the bottom of each rectangle
eth$ymin = c(0, head(eth$ymax, n=-1))
# Make the plot using percentage
ggplot(eth, aes(ymax=ymax, ymin=ymin, xmax=4, xmin=3, fill=ethnicity)) +
geom_rect() +
coord_polar(theta="y") +
xlim(c(2, 4)
)
I want to improve the plot for two thing:
1. the legend: I need to add percentage (eth$fraction * 100 and then add %) for
each of element.
2. remove all number (tick mark ?) around the plot
Please help
Thank you,
Kai
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