Using Geom_Bar in GGplot2

Question

So I'm trying to use geom_bar in ggplot2, and all of the cases that I see of people demonstrating it online are of comparative frequencies of certain things. The chart that I'm trying to do is the stacked bar graph like this one

However, I want to do it from a vector of values. That is, let's say I have the vector

v=c(1,2,3,4)

Instead of 4 even bars, which is what I understand I would get, I'd like a stack of 4 bars where the top one is 1 unit tall, and the next one down is 2 units tall (etc.). Is this possible in R?

Edit: Here is the code that I've used for my graph. It's yielding a normal bar graph, not the stacked version that I'm looking for:

ggplot(data = v, aes(x = factor(x), y = y)) + geom_bar(aes(fill = factor(y)),stat = 'identity')

Answer 1

I think you can start from this:

v=data.frame(x="My Stacked Bar", y=c(1,2,3,4))

ggplot(data = v, aes(x = factor(x), y = y))+
  geom_bar(aes(fill=factor(y)), stat="identity")