add text to a plot, create character labels
On Aug 1, 2012, at 9:04 AM, Yolande Tra wrote:
Hi, I was trying to run the following, where the labels on the x axis are dates and need to be converted to characters. It did not work. Any help would be appreciated. Thanks.
text(axTicks(1),par("usr)[3]
There is an unmatched quote in the par() call. Adding spaces after commas in argument lists may help you see these sorts of errors in the future.
-2
,srt
=
45
,adj
=
1
,labels
=as.character(c("2008-01-08","2008-08-10","2008-08-22","2008-09-03",
"2008-09-15")), xpd=T, cex=0.8)
Error: unexpected numeric constant in
"text(axTicks(1),par("usr)
[3]-2,srt=45,adj=1,labels=as.character(c("2008"
Yolande
David Winsemius, MD Alameda, CA, USA