[R] problem in deparse(substitute())

[vito muggeo]

Hi all,
I am experiencing the following quite strange (at least in my knowledge)
problem in a simple function like the following:

fn<-function(y,v=2){
    n<-length(y)
    y<-y[(v+1):(n-v)]
 plot(y,type="l",lty=3,xlab="Time",ylab=deparse(substitute(y)))
    }

fn(rnorm(50)) #look at the plot!!!

The plot appears with numbers on the left side!
If I delete the deparse(substitute()) in the ylab argument in the plot()
function
or I omit the line "y<-y[(v+1):(n-v)]" everything works well.

I can not test whether this problem depends on my R system (R 1.5.1 Win Me),
but I have never had no problem before.

many thanks for your help,

bests,
vito

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