[R] Spacing of text does not match spacing of bars in barplot

[jon waterhouse]

I have a very standard barplot. My labels are too long to be printed
horizontally under each bar, so I am using text to put the labels on a 45
degree slant. 

However, the labels are spaced more narrowly than the bars, so on an 8
vertical bar plot, the end of the eighth label is lined up with the seventh
bar.

Preferably I don't want to do every text label separately (I'm having this
problem on all the graphs where I'm using text()

Using Windows and version 2.14.1

X2sum <- c(42.6,  3.6,  1.8,  3.9, 12.1, 14.3, 14.6 ,28.4)
X2.labels <- c("No earnings", "Less than $5000/year", "$5K to $10K" , "$10K
to $15K"  , "$ 15K to $20K" ,       "$20K to $25K"  ,       "$25K to $30K"  
,      "Over $30K"   )      

barplot(X2sum)
text(1:8, par("usr")[3] - 0.5, srt = 45, adj = 1, labels =X2.labels, xpd =
TRUE)

Thanks,

Jon


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