par()$oma==c(0,0,0,0),
title is used instead of
mtext, to draw
titles or subtitles that are inside the plotting region for a single plot.
mtitle(main, ll, lc,
lr=if(.R.) format(Sys.time(),'%d%b%y') else
if(under.unix)unix("date '+%d%h%y'") else date(),
cex.m=1.75, cex.l=.5, ...)
none
"" to suppress lower right title.
mtext
Frank Harrell
Department of Biostatistics, Vanderbilt University
f.harrell@vanderbilt.edu
#Set up for 1 plot on figure, give a main title,
#use date for lr
plot(runif(20),runif(20))
mtitle("Main Title")
#Set up for 2 x 2 matrix of plots with a lower left subtitle and overall title
par(mfrow=c(2,2), oma=c(3,0,3,0))
plot(runif(20),runif(20))
plot(rnorm(20),rnorm(20))
plot(exp(rnorm(20)),exp(rnorm(20)))
mtitle("Main Title",ll="n=20")