R Under development (unstable) (2024-07-18 r86905 ucrt) -- "Unsuffered Consequences"
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> library(testthat)
> library(cNORM)
Good morning star-shine!
cNORM is free software. Please report bugs: https://github.com/WLenhard/cNORM/issues
> 
> test_check("cNORM")
Powers of location: k = 5
Powers of age:      t = 3
Multiple R2 between raw score and explanatory variable: R2 = 0.5129

Final solution: 3 terms
R-Square Adj. = 0.990838
Final regression model: raw ~ L3 + L1A1 + L3A3
Regression function: raw ~ -11.39665566 + (2.08886395e-05*L3) + (0.1649386974*L1A1) + (-5.892663055e-07*L3A3)
Raw Score RMSE = 0.68348
The original data for the regression model spanned from age 2 to 5, with a norm score range from 21.93 to 78.07. The raw scores range from 0 to 28. Coefficients from the 1 order derivative function:

           L2            A1          L2A3 
 6.266592e-05  1.649387e-01 -1.767799e-06 
[ FAIL 0 | WARN 0 | SKIP 2 | PASS 5 ]

══ Skipped tests (2) ═══════════════════════════════════════════════════════════
• On CRAN (2): 'test.modelling.R:6:3', 'test.modelling.R:13:3'

[ FAIL 0 | WARN 0 | SKIP 2 | PASS 5 ]
> 
> proc.time()
   user  system elapsed 
   1.46    0.15    1.60