Dear all

As a new user of R, can someone please help me with the following

I have created a programme to analyse laboratory data and one of the graphs is a bar plot of 'Z' scores.

On the bar plot I am using the following line to plot some results

 barplot (zb[,c("ZBW")], ylim = c(-6,6), names.arg=zb[,c("LabNo")],xlab="Lab Code Number", cex.names = .5 , axis.lty=1 , main = " Total Coliform ")

What I would like to do is move the xlab parameter to sit on top or on each bar and not on the x-axis at y=0.

Any help would be appreciated.

Thanks

Steve
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