R Under development (unstable) (2024-08-30 r87081 ucrt) -- "Unsuffered Consequences"
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> library(testthat)
> library(lmForc)
> 
> test_check("lmForc")

 Note* the data argument passed to prediction_function has the following form: 

    X1   X2
1 2.11 1.98
2 6.11 7.44
3 6.75 7.86
4 4.30 5.98




 Note* the data argument passed to prediction_function has the following form: 

    X1   X2
1 6.34 7.32



[ FAIL 0 | WARN 0 | SKIP 0 | PASS 107 ]
> 
> proc.time()
   user  system elapsed 
   1.71    0.40    2.10