Dear all,
Please, I have a doubt regarding symbol plotting
with data originating from a table.
Please, see below:
I have a tab delimited file called table1.txt with 4 columns:
ypos animal var1 var2
5 cat gina <= lady gina \u2264 lady
7 dog bill >= tony bill \u2265 tony
9 fish dude <= bro dude \u2264 bro
#I then load in the data to R:
table1<-read.table("table1.txt", header=TRUE, sep="\t")
#if I take a look at the table I realize that \u2264 was replaced by \\u2264
table1
#So, if i try to plot the data
#instead of greater/equal or lesser/equal I get
#a text string plotted "\u2265"
plot(1:1,col="white",xlim=c(1,10),ylim=c(1,10),ylab="",axes=FALSE,xlab="")
text(y=table1$ypos,x=2,table1$animal)
text(y=table1$ypos,x=4,table1$var1)
text(y=table1$ypos,x=8,table1$var2)
#this can be fixed if I manually erase the extra "\" on var2
fix(table1)
plot(1:1,col="white",xlim=c(1,10),ylim=c(1,10),ylab="",axes=FALSE,xlab="")
text(y=table1$ypos,x=2,table1$animal)
text(y=table1$ypos,x=4,table1$var1)
text(y=table1$ypos,x=8,table1$var2)
#However if I save the graph to a ps file, it shows the "<=" sign as "..."
postscript("teste3.ps", width = 22, height =
11.5,pointsize=24,paper="special",bg="transparent")
plot(1:1,col="white",xlim=c(1,10),ylim=c(1,10),ylab="",axes=FALSE,xlab="")
text(y=table1$ypos,x=2,table1$animal)
text(y=table1$ypos,x=4,table1$var1)
text(y=table1$ypos,x=8,table1$var2)
dev.off()
#My solution was to plot "<" or ">" instead of "<=" and ">="
# and then plot an hifen under the "<" or the ">" sign.
# This worked to fix both problems, but is hard to do and
# impossible to automate (or at least very difficult)
#Please, does anyone know a better approach?
#thanks in advance
Victor Faria Seabra, MD
vsea...@uol.com.br
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