请问一下r语言要怎么把这个图画出来?
我写了这些:
plot(x,y,main="累积生存率",xlab="time",ylab="Survival Probability"
names<-c("x"."y","α","λ")
weibull<-function(x,y)
lambda=0.26328
alpha=0.5
y=exp(-lambda*x^alpha)
plot(x,y)
lines(x,y,col="red")
lambda=0.1
alpha=1.0
y=exp(-lambda*x^alpha)
plot(x,y)
lines(x,y,col="black")
lambda=0.00208
alpha=3.0
y=exp(-lambda*x^alpha)
plot(x,y)
lines(x,y,col="blue")
一直说我二进列运算符中有非数值参数和参数长度为0