R Under development (unstable) (2024-11-20 r87352 ucrt) -- "Unsuffered Consequences"
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> library(testthat)
> library(gravity)
Gravity 1.1
If this package is useful, please support it. https://www.buymeacoffee.com/pacha.

Attaching package: 'gravity'

The following object is masked from 'package:stats':

    nls

> 
> test_check("gravity")
[ FAIL 0 | WARN 5 | SKIP 0 | PASS 16 ]

[ FAIL 0 | WARN 5 | SKIP 0 | PASS 16 ]
> 
> proc.time()
   user  system elapsed 
   5.39    0.59    5.96