search for: stat_sum_df

...ce + se_price, ymin = mean_price - se_price)? a<-ggplot(diamonds_df, aes(x = cut, y = mean_price, fill=color)) +? ?geom_bar(position=position_stack(width=0.9))? a? Then attempting to add error bars:? a+ geom_errorbar(limits, position=position_stack(width=0.9), width=0.9)? I have tried: ?? r + stat_sum_df("mean_cl_normal", geom = "errorbar"), ?using the aggregation function in?http://www.stanford.edu/~paunesku/, using ddplyr but haven't managed to work out a way of specifying the error bars to R. ?In my case I would like to use an error bar analogous to each value of "cu...