Rescaling the y axis in bar plot causes bars to disappear : R ggplot2

Question

I am trying to create a barplot using ggplot2, with the y axis starting at a value greater than zero.

Lets say I have the means and standard errors for hypothetical

Answer 1

Try this

p + coord_cartesian(ylim=c(200,300))

Setting the limits on the coordinate system performs a visual zoom; the data is unchanged, and we just view a small portion of the original plot.