[R] 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.bes

[R] Help with TimeSeries

Hello everyone! I´ve started using R last week and I´m having really persistent problems trying to make predictions using the HoltWinters function. I´m sending my script and the errors I´m getting. My data is: Jan Feb Mar Apr May Jun Jul Ago Sep Oct Nov Dec 2004 118 143 169