代码
png("mtext.pdf")
plot(1:10, type="n", xaxt="n", yaxt="n",
ylab="original ylab site",
xlab="original xlab site")
for(j in 1:4) for(i in 0:10) mtext(as.character(i),side=j,line=i)
dev.off()
png("mpg.p
png("mtext.pdf")
plot(1:10, type="n", xaxt="n", yaxt="n",
ylab="original ylab site",
xlab="original xlab site")
for(j in 1:4) for(i in 0:10) mtext(as.character(i),side=j,line=i)
dev.off()
png("mpg.p