[R] Hi! Help using FitARMA package in RExcel

Cren oscar.soppelsa at bancaakros.it
Tue May 17 11:21:39 CEST 2011


Hi all :)

Before posting, I used the "search" function to find a solution, but I
wasn't lucky.

I'm using RExcel; I've read several examples which explain how to call in
RExcel an R function via =RApply(...) but I don't understand how may I
include in the function several numeric arguments.

Take this example: I want to use the following R function from "FitARMA"
package:

FitARMA(z, order = c(0, 0, 0), demean = TRUE, MeanMLEQ = FALSE, pApprox =
30, MaxLag = 30)

What's the right syntax? How may I get the ARMA coefficients and/or the t+1
ARMA forecast in RExcel?

Thank you very much!

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