[R] dependent nested for loops in R

[Shaami]

Hi Duncan

It worked. Thank you.

Best Regards

On Mon, Feb 1, 2021 at 6:26 PM Duncan Murdoch <murdoch.duncan using gmail.com>
wrote:

> On 01/02/2021 7:03 a.m., Shaami wrote:
> > z = NULL
> > p = 0.25
> > x = rnorm(100)
> > z[1] = p*x[1] + (1-p)*5
> > for(i in 2:100)
> > {
> >    z[i] = p*x[i]+(1-p)*z[i-1]
> > }
>
> That's the same as
>
> p <- 0.25
> x <- rnorm(100)
> z <- stats::filter(p*x, 1-p, init = 5, method="recursive")
>
> This leaves z as a time series; if that causes trouble, follow it with
>
> z <- as.numeric(z)
>
> Duncan Murdoch
>
>
>

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