R Under development (unstable) (2023-11-26 r85638 ucrt) -- "Unsuffered Consequences"
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> library("signal")

Attaching package: 'signal'

The following objects are masked from 'package:stats':

    filter, poly

> load("savedTestLev.Rdata")
> 
> set.seed(234)
> y <- arima.sim(n = 1000, list(ar = c(1, -0.9, 0.3)))
> z <- arima.sim(n = 1000, list(ar = c(1, -0.4, 0.1)))
> x <- cbind(as.numeric(y), as.numeric(z))
> TestLev1 <- levinson(x, 2)
> TestLev2 <- levinson(y, 2)
> TestLev3 <- levinson(z, 2)
> 
> all.equal(savedTestLev1, TestLev1)
[1] TRUE
> all.equal(savedTestLev2, TestLev2)
[1] TRUE
> all.equal(savedTestLev3, TestLev3)
[1] TRUE
> 
> 
> proc.time()
   user  system elapsed 
   0.14    0.18    0.26