[R] (Novice-) Problem with the plot-function

[Sundar Dorai-Raj]

I think you meant to do

plot(x, f.x, ...)

BTW, you've re-invented the wheel. See ?dnorm for evaluating the normal pdf.

Best,
Sundar


Felix Eschenburg wrote:

> Hello,
> i have written this little function to draw different normal distributions:
> 
> n.Plot <- function(x,my,sigma) {
> e <- exp(1)
> names(x) <- x
> f.x <- (1/(sigma*sqrt(2*pi)))*e^(-1*(((x-my)^2)/2*(sigma^2)))
> plot(f.x,type="l",xlim=c(-5,5))
> return(f.x)
> }
> 
> if i define x like this:
> x <- seq(-5,5,0.01)
> 
> Now 
> n.Plot(x,0,1) 
> DOES draw the correct plot, but the x-axis is labeled from 0 - 1000.
> If i give the plot function the xlim=c(-5,5) option, the plot is only drawn 
> for the first 5 values of x.
> How do i tell plot not to take the indices of x, but the values (or their 
> range) of x for labeling the x-axis ?
> 
> Felix Eschenburg
> 
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