Graves, Gregory wrote:
My x axis is a series of daily dates (e.g., 01/01/2000, 01/02/2000,
etc.) from 2000 to end of 2008. The default only gives me 4 ticks. I
want more. Why doesn't this work?
sdate<-as.POSIXct(strptime(date,format="%m/%d/%Y"))
plot(ppt~sdate,type="l",ylim=c(0,47),col=1,lwd=1,pch=16,ylab="Salinity,
psu",xlab="Year",las=1,main="Duck Key Salinity",xaxt="n")
year.text=c("2001","2002","2003","2004", "2005", "2006", "2007","2008",
"2009")
axis(1, at=c(1:9),labels=year.text)
Hi Gregory,
Try this:
library(plotrix)
staxlab(1,at=1:9,labels=year.text)
If the labels are still too crowded, add a bit of margin and try this:
par(mar=c(6,4,4,2))
staxlab(1,at=1:9,labels=year.text,nlines=3)
Jim
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