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16.0000
2012 Feb 28
1
Error in solve.default(res$hessian * n.used) :Lapack routine dgesv: system is exactly singular
Hi there!
I´m a noob when it comes to R and I´m using it to run statisc analysis.
With the code for ARIMA below I´m getting this error: Error in
solve.default(res$hessian * n.used) :Lapack routine dgesv: system is
exactly singular
The code is:
> s.ts <- ts(x[,7], start = 2004, fre=12)
> get.best.arima <- function (x.ts, maxord=c(1,1,1,1,1,1))
+ {
+ best.aic <- 1e8
+ n <-