R Under development (unstable) (2025-08-17 r88631 ucrt) -- "Unsuffered Consequences"
Copyright (C) 2025 The R Foundation for Statistical Computing
Platform: x86_64-w64-mingw32/x64

R is free software and comes with ABSOLUTELY NO WARRANTY.
You are welcome to redistribute it under certain conditions.
Type 'license()' or 'licence()' for distribution details.

R is a collaborative project with many contributors.
Type 'contributors()' for more information and
'citation()' on how to cite R or R packages in publications.

Type 'demo()' for some demos, 'help()' for on-line help, or
'help.start()' for an HTML browser interface to help.
Type 'q()' to quit R.

> # coef.R --- Test function coef
> 
> library(usl)
> 
> dfr <- data.frame(load=c(1, 2,      4,      6,      8,      10), 
+                   tput=c(1, 1.8868, 3.0769, 3.5294, 3.5398, 3.3557))
> 
> u <- usl(tput ~ load, dfr)
> 
> signif(coef(u)[['alpha']], 3)
[1] 0.02
> signif(coef(u)[['beta']], 3)
[1] 0.02
> 
> options(digits=3)
> 
> coef(u)
alpha  beta gamma 
 0.02  0.02  1.00 
> 
> proc.time()
   user  system elapsed 
   0.20    0.04    0.23