R Under development (unstable) (2024-09-07 r87105 ucrt) -- "Unsuffered Consequences"
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> library(testthat)
> library(ContourFunctions)
> 
> test_check("ContourFunctions")

Family: gaussian 
Link function: identity 

Formula:
z ~ te(x, y)

Estimated degrees of freedom:
23.2  total = 24.24 

GCV score: 3.600896e-05     

Family: binomial 
Link function: logit 

Formula:
z ~ te(x, y)

Estimated degrees of freedom:
12.9  total = 13.88 

UBRE score: 0.1493817     
[ FAIL 0 | WARN 0 | SKIP 0 | PASS 63 ]
> 
> proc.time()
   user  system elapsed 
  31.18    0.81   32.81