Hi Dieter:
See if this approach (below) to adjusting legend contents works for you.
Note how family and font apply only to the legend.
Best wishes.
Tom
#################################################
# Histogram of the Summary Object Variable with #
# an Added fivenum() Output in a Legend #
#################################################
hist(AgChem.table$Larvae,
main="Histogram of Larvae Counts, With fivenum()
Output: Minimum, 1Q, Median,
3Q, Maximum",
xlab="Larvae Counts (Limit = 0 to 180)",
xlim=c(120,160), # Scale adjusted for presentation.
ylim=c(0,50), # Scale adjusted for presentation.
font.lab=2,
font.axis=2,
border="blue",
col="red",
nclass=50,
freq=TRUE,
prob=FALSE)
axis(side=1,
line=-0.1,
at=fivenum(AgChem.table$Larvae)[1:5],
lwd=1,
tick=TRUE,
font=2,
labels=c("Minimum", "1Q","Median","3Q", "Maximum"),
cex.axis=1.05,
col.axis="black",
padj=-2.9)
savefamily <- par(family="mono") # Courier font
savefont <- par(font=2) # Bold
legend("topright",
legend = c(
"Tukey's five number summary",
"==================================",
"> fivenum(AgChem.table$Larvae) ",
"[1] 122.0 135.5 138.0 140.0 156.0 ",
"----------------------------------",
"122.0 Minimum ",
"135.5 Lower-Hinge (1Q) ",
"138.0 Median ",
"140.0 Upper-Hinge (3Q) ",
"156.0 Maximum ",
"----------------------------------"),
ncol=1,
locator(1),
xjust=1,
text.col="black",
cex=1.15,
inset=0.025,
bty="n")
par(savefamily)
par(savefont)
# The legend for this figure is rather large.
# It was set to a Courier-type mono-spaced font
# to have all fivenum() function values and
# character values line up properly.
Date: Sun, 10 Jul 2011 03:16:00 -0700 (PDT)
From: dmeire <dieter.me...@ugent.be>
To: r-help@r-project.org
Subject: [R] change legend character size in image.plot
Message-ID: <1310292960960-3657423.p...@n4.nabble.com>
Content-Type: text/plain; charset=us-ascii
I'm using the image.plot() function (fields package), but I want to enlarge
the characters of the legend (as they are too small to be read in a combined
figure), but there is no way I can find a command to do this. I can enlarge
the legend bar (with legend.witdh), axis character size (cex.axis) or the
total legend size (legend.shrink), but not the character size of the legend
characters itself (and only that). Is it possible to do it in one or another
way?
Regards,
Dieter
--
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Sent from the R help mailing list archive at Nabble.com.
Thomas W. MacFarland, Ed.D.
Senior Research Associate; Institutional Effectiveness and Associate
Professor
Nova Southeastern University
Voice 954-262-5395 Fax 954-262-3970 <mailto:tom...@nsu.nova.edu>
tom...@nsu.nova.edu
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