r - How to add bar value to the graph? -


i have following r code generate graph of number of alerts per week. graph looks great, i'd add exact value of bar. i've been trying using geom_text, can't work. doesn't know variable ..count.. , don't know how refer value of bar otherwise.

a = c(0, 0, 0, 1, 2, 3, 3, 3) b = c(1, 1, 0, 0, 1, 1, 1, 1) sa2 = data.frame(weekofyear = a, urgentstate = b, isurgent = b)  p <- qplot(factor(weekofyear), data=sa2, geom="bar", fill=factor(urgentstate), order=-as.numeric(isurgent)) p <- p + geom_bar() # p <- p + geom_text(aes(label = factor(weekofyear), y = ..count..)) doesn't work p <- p + ggtitle("number of alerts per week") p <- p + scale_x_discrete(name="week") p <- p + scale_y_continuous(name="number of alerts")

is there way add value values within bar (fill)?

p + stat_bin(aes(fill=na,label=..count..),             geom="text",vjust=-1)

just leave out fill=na if don't want numbers total bars.


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