Hi all,

I would like to draw a side by side bar plot.  How can I adjust the the font 
size for the x-axis?  Furthermore, I'm not sure what to write for 'at=?'.  I 
tried cex.axis and cex.lab but still fail.  Here is my data and code:  

> t(all)
           0-100 100-150  150-200 200-250 250-300 300-350 350-400 400-620
obs_data 382.000 177.000 156.0000    93.0 69.0000  45.000 14.0000 15.0000
pre_gam  364.233 195.906 167.8515    95.1 63.2415  30.432 16.6425 17.5935

bplt <- barplot(t(all), col=c("blue","yellow"),beside=TRUE,xlab="Rainfall (mm)",
        ylab="Frequency", main="Observed and predicted, Dec-Feb 
Beec",ylim=c(0,400))
legend("topright",c("observed","predicted"),fill=c("blue","yellow"))
axis(1, at =? , lab = 
c("0-100","100-150","150-200","200-250","250-300","300-350","350-400","400-620"),
 cex.axis = 0.5)


Thank you so much for your help.


      
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