Displaying 2 results from an estimated 2 matches for "xlag1".
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flag1
2025 Jan 14
1
Need help with time series
...numeric"
> acf(myts, lag.max = 2)
Error in na.fail.default(as.ts(x)) : missing values in object
> arima(myts, order = c(1, 0, 0))
Error in solve.default(res$hessian * n.used, A) :
Lapack routine dgesv: system is exactly singular: U[1,1] = 0
> xmat <- na.omit(cbind(x = myts, xlag1 = lag(myts, k = -1)))
> crossprod(xmat) |> solve()
x xlag1
x 3.488838e-11 1.949958e-12
xlag1 1.949958e-12 3.421268e-11
[[alternative HTML version deleted]]
2025 Jan 14
1
Need help with time series
...t;
> Error in na.fail.default(as.ts(x)) : missing values in object
>
> > arima(myts, order = c(1, 0, 0))
>
> Error in solve.default(res$hessian * n.used, A) :
>
> Lapack routine dgesv: system is exactly singular: U[1,1] = 0
>
> > xmat <- na.omit(cbind(x = myts, xlag1 = lag(myts, k = -1)))
>
> > crossprod(xmat) |> solve()
>
> x xlag1
>
> x 3.488838e-11 1.949958e-12
>
> xlag1 1.949958e-12 3.421268e-11
>
>
>
> [[alternative HTML version deleted]]
>
> _______________________________...