R Under development (unstable) (2025-08-17 r88631 ucrt) -- "Unsuffered Consequences"
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> # residuals.R --- Test function residuals
> 
> library(usl)
> 
> data(specsdm91)
> 
> options(digits=3)
> 
> u <- usl(throughput ~ load, specsdm91)
> 
> residuals(u)
     1      2      3      4      5      6      7 
-25.10 -81.66 111.09   3.05 -49.99 -46.60  56.00 
> 
> proc.time()
   user  system elapsed 
   0.20    0.06    0.25