[R] negative values for barchart

Plantky ngokangmin at gmail.com
Thu Oct 23 17:30:38 CEST 2008

Hi all,

My data has some positive and negative values, and I want to plot a
barchart. The problem is that the y-axis zero is somewhere in the
middle of the plot, and the graph starts with a negative value. How
can I make the negative values appear as bars that are going below the
y-axis zero?
So the desired graph would have some bars projecting up and some down.


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