1、
par(mfrow=c(3,2)) plot(1:10) text(1,5,"aa", cex = 2,col = "red") plot(1:10) text(5,5,"bb",cex = 2, col = "blue") plot(1:10) text(5,5, "cc", cex = 2, col = "green", pos = 1) plot(1:10) text(5,5, "cc", cex = 2, col = "purple", pos = 2) plot(1:10) text(5,5, "cc", cex = 2, col = "cyan", pos = 3) plot(1:10) text(5,5, "cc", cex = 2, col = "magenta", pos = 4)
2、
par(mfrow=c(3,2)) plot(1:10) text(1,5,"bb",cex = 2, col = "red") plot(1:10) text(5,5,"bb",cex = 2, col = "blue") plot(1:10) text(5,5,"bb",cex = 2, col = "green",adj=4) plot(1:10) text(5,5,"bb",cex = 2, col = "purple",adj=-4) plot(1:10) text(5,5,"bb",cex = 2, col = "magenta",adj=c(4,4)) plot(1:10) text(5,5,"bb",cex = 2, col = "brown",adj=c(-4,-4))
3、
plot(1:10) text(seq(2,8,2),seq(8,2,-2),c("AA","BB","CC","DD"), cex = c(1:4), col = c("red","blue","green","brown"))
