On 05/02/2010 10:48 AM, Silvano wrote:
Hi,
I'm building a graph (barplot) in which the X axis label
disappears.
I tried to use the option mgp of par() and I could not get
the desired result.
Note that want the axis labels horizontally.
caes = c(37,20,19,16,75,103)
names(caes) = c("Pinscher", "Pastor \n Alemão", "Poodle",
"Rottweiller", "SRD", "Outros")
caess = sort(caes, decreasing=F)
par(mar=c(3, 5.7, 1, 1), mgp=c(4.5, .5, 0), las=1)
You've set margin 1 too small. The barplot() function puts the x axis
label quite far from the plot, so you need something like
par(mar=c(6.1, 5.7, 1, 1), mgp=c(4.5, .5, 0), las=1)
to give room for it. I think it would look better with the label
closer, which you can do using
mtext("Frequências", side=1, line=3)
(and this would work with a smaller margin, but not as small as 3). For
example,
caes = c(37,20,19,16,75,103)
names(caes) = c("Pinscher", "Pastor \n Alemão", "Poodle",
"Rottweiller", "SRD", "Outros")
caess = sort(caes, decreasing=F)
par(mar=c(4.5, 5.7, 1, 1), mgp=c(4.5, .5, 0), las=1)
barplot(caess, cex.axis=1, cex.names=1, ylab="Raças dos Cães",
xlab="", bty='l', col="LightYellow",
horiz=T, xlim=c(0,120))
mtext("Frequências",side=1, line=3)
abline(v=0)
barplot(caess, cex.axis=1, cex.names=1, ylab="Raças dos
Cães",
xlab="Frequências", bty='l', col="LightYellow",
horiz=T, xlim=c(0,120))
abline(v=0)
Suggestions?
--------------------------------------
Silvano Cesar da Costa
Departamento de Estatística
Universidade Estadual de Londrina
Fone: 3371-4346
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