-작업 디렉토리를 지우고 시작하니, 상황에 따라 대처할 것.
rm(list=ls())
load("lifetable_kr.rda")
ls()
## [1] "dx" "dx.f" "dx.m" "dx.o"
## [5] "e0x" "e0x.o" "lifetable" "lifetable.kr"
## [9] "mux" "mux.o" "qx" "qx.f"
## [13] "qx.m" "qx.o"
plot(lifetable.kr$age,lifetable.kr$lx.m/1000,xlab="",ylab="",col="blue",type="l")
lines(lifetable.kr$age,lifetable.kr$lx.f/1000,xlab="",ylab="",col="red")
x<-c(lifetable.kr$age,rev(lifetable.kr$age))
y<-c(lifetable.kr$lx.m/1000,rev(lifetable.kr$lx.f/1000))
polygon(x,y,border=NA,density=15)
legend(80,100,legend=c("남","여"),col=c("blue","red"),lty=1)
title(main="국민생존함수(2012)",xlab="연령(세)",ylab="생존률(%)")