DL,
Looks like you have a typo in the expression() function.
You had only one "s".
This works for me ...
m <- 10
beta.q <- matrix(rnorm(81), ncol=9)
for (i in 1:9){
plot(seq(1/m, 1-1/m, 1/m), beta.q[, i], type="l", col=1,
ylim=range(beta.q), xlab="quantile", ylab=expression(beta[i]))
}
Jean
dick liang <dickliang...@gmail.com> wrote on 10/04/2012 08:12:07 AM:
>
> producing a multi-figure plot, i am try to add beta_1, beta_2,.. beta_9
to
> ylab using expression or substitution, but cannot work out like
>
> for (i in 1:9){
> plot(seq(1/m, 1-1/m, 1/m), beta.q[,i], type="l", col=1,
> ylim=range(beta.q),
> xlab="quantile", ylab=expresion(beta[i]))
> }
>
> any suggestions will be greatly appreciated.
>
> DL
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