[R] Error in solve.default(res$hessian * n.used) :Lapack routine dgesv: system is exactly singular

[VictorDelgado]

Vinicius,


Vinicius Magalhães wrote
> 
> 
> + n <- length(*x.ts*)
> + for (p in 0:maxord[1]) for (d in 0:maxord[2]) for (q in 0:maxord[3])
> +  for (P in 0:maxord[4]) for (D in 0:maxord[5]) for (Q in 0:maxord[6])
> +  {
> + fit <- arima(*x.ts*, order=c(p,d,q),
> +     seas = list(order=c(P,D,Q),
> +     frequency(x.ts)), method = "CSS")
> + fit.aic <- -2 * fit$loglik + (log(n) + 1) * length(fit$coef)
> 
> 

I think you are using 'x.ts' instead 's.ts'. Is it correct?! 
Maybe you can also put here objects likely 'x', 'x.ts' to help us give
feedback to you routine.

Best regards. 


-----
Victor Delgado
cedeplar.ufmg.br P.H.D. student
www.fjp.mg.gov.br reseacher
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