小弟是新手,谢谢指教!
程序如下:x <- seq(0, 35, length = 101)
nu <- c(5, 10, 15)
ylabel <- c("dchisq(x, nu)", "pchisq(x, nu)")
plot(x, dchisq(x, nu[1]), type = "l", ylab = ylabel[1])
lines(x, dchisq(x, nu[2]), lty = 2)
lines(x, dchisq(x, nu[3]), lty = 3)
text(locator(), labels = c("nu = 5", "nu = 10", "nu = 15"), pos = 4)这一行的命名怎么完成?在作出的图中光标变成十字架,但是点击或双击都不出现"nu = 5", "nu = 10", "nu = 15"。请问如何完成!


雷达卡



京公网安备 11010802022788号







