[R] barp {plotrix} Start bars at 0 with a vector of positive values

[Jim Lemon]

On Fri, 13 Jun 2014 06:50:59 PM Pascal Oettli wrote:
> Dear list,
> 
> Please consider the following example:
> 
> library(plotrix)
> barp(c(2,3,4,5,6,7,8), ylim=c(-10,10))
> 
> How to force the bars to start at 0? I could not find the way to do it.
> 
Hi Pascal,
You are right, I had not considered the idea of setting a negative y limit 
when there were no negative values. I think you can fix this by changing:

 negy<-any(height<0,na.rm=TRUE)
 
 to

negy<-any(height<0,na.rm=TRUE) || ylim[1] < 0

I'll check this later (I'm just going out) and if it doesn't work, I'll send 
another email with something that does.

Jim