You might want to look at the grconvertX and grconvertY functions. You can use them to convert a coordinate relative to the plotting device (screen, paper) or plotting region to user coordinates to use with text or mtext.
On Tue, Feb 7, 2012 at 4:06 AM, Manta <[email protected]> wrote: > Dear all, > > another questions related to zoo plotting. I would like to do as in the > subject. Here a reproducible code: > > library(zoo) > par(mfrow=c(2,1) > plot(zoo(seq(1:10),as.Date(seq(1:10),origin="1970-01-01")),xlab="",ylab="",main="Value",las=1) > mtext("EUR billions",adj=0,cex=0.7) > plot(zoo(seq(1:10),as.Date(seq(1:10),origin="1970-01-01")),xlab="",ylab="",main="Value",las=1) > par(xpd=T) > text(par("usr")[1],par("usr")[3]+10.5,"EUR billions",cex=0.7) > > In the first graph I use the mtext function, which does the trick but it > places the text too close too the y-axis. > A second possibility is to use the text function, prior specification of the > option parameter par(xpd=T). However, this does not look consistent as, > depending on the graph, I would need to add different numbers in the y > specification of the axis (par("usr")[3]+XXX). > > Any idea? > > -- > View this message in context: > http://r.789695.n4.nabble.com/Positioning-text-in-top-left-corner-of-plot-tp831723p4364355.html > Sent from the R help mailing list archive at Nabble.com. > > ______________________________________________ > [email protected] mailing list > https://stat.ethz.ch/mailman/listinfo/r-help > PLEASE do read the posting guide http://www.R-project.org/posting-guide.html > and provide commented, minimal, self-contained, reproducible code. -- Gregory (Greg) L. Snow Ph.D. [email protected] ______________________________________________ [email protected] mailing list https://stat.ethz.ch/mailman/listinfo/r-help PLEASE do read the posting guide http://www.R-project.org/posting-guide.html and provide commented, minimal, self-contained, reproducible code.
