On May 15, 2009, at 12:18 PM, Bill Hudspeth wrote:
Hello,
I am using barplot to generate a histogram of population by county. I
need to plot the bars for about 35 counties, and would like to rotate
the county name labels on the x-axis to a vertical orientation so
that I
can fit them all. An example of my syntax is below:
r.barplot(x,main=main,
xlab
=
xlab
,ylab
=
ylab
,names_arg
=
counties
,axis_lty
=
1
,col
="lavender",ylim=r.c(0,100),cex_axis=0.7,cex_names=0.7,offset=0,las=1)
Using "las" rotates the y-axis labels --- how do I rotate the X-axis
labels...?
Thanks, William
par("las") takes 4 values 0:3. See ?par
Try:
# Rotate both x and y
barplot(1:5, names.arg = paste("Bar", 1:5), las = 2)
# Rotate just x
barplot(1:5, names.arg = paste("Bar", 1:5), las = 3)
If you want something other than a 90 degree rotation, see:
http://cran.r-project.org/doc/FAQ/R-FAQ.html#How-can-I-create-rotated-axis-labels_003f
HTH,
Marc Schwartz
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