[R] correction

[Luis Silva]

I have to make a correction

> dataset1.arima<-arima(x = dataset1.ts, order = c(2, 1, 0), 
seasonal = list(order = c(1, 1, 0)))

Error in optim(init[mask], armafn, method = "BFGS", hessian = 
TRUE, control = optim.control,  : 
        initial value in vmmin is not finite

This is the result when I use arima. The other results came 
when I tried several times the above call. How can I overcome 
this problem?

thanks 
luis
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