[R] Random data

[Erik Iverson]

One option, first, generate the range of "x" data that you want, then add normally distributed noise to each x, these will be your "y" data. 

n <- 20
x <- sample(20:50, n)
y <- rnorm(n, mean = x, sd = 3)
plot(y ~ x)


Erik 


> -----Original Message-----
> From: r-help-bounces at r-project.org [mailto:r-help-bounces at r-project.org]
> On Behalf Of mentor_
> Sent: Wednesday, November 25, 2009 8:43 AM
> To: r-help at r-project.org
> Subject: [R] Random data
> 
> 
> Hi,
> 
> how can I produce random data which lies around a straight line with angle
> 45 degree.
> Similar to this image: http://zoonek2.free.fr/UNIX/48_R/g134.png
> 
> Cheers
> --
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