Getting a stacked area plot in R

Question

This question is a continuation of the previous question I asked.

Now I have a case where there is also a category column with Prop. So, the dataset becomes like

Answer 1

If you want to take the borders away you can use scale_x_discrete and coord_cartesian this way

 p <- ggplot(d, aes(x=Date,y=Volume,group=Platform,fill=Platform)) + geom_area(position="fill")
 base_size <- 9
 p + theme_set(theme_bw(base_size=9)) + scale_x_discrete(expand = c(0, 0)) +  coord_cartesian(ylim=c(0,1))