R version 4.6.0 RC (2026-04-17 r89914 ucrt) -- "Because it was There"
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> library(testthat)
> library(poissonreg)
Loading required package: parsnip
> 
> test_check("poissonreg")
Classes and Methods for R originally developed in the
Political Science Computational Laboratory
Department of Political Science
Stanford University (2002-2015),
by and under the direction of Simon Jackman.
hurdle and zeroinfl functions by Achim Zeileis.
[ FAIL 0 | WARN 0 | SKIP 14 | PASS 54 ]

══ Skipped tests (14) ══════════════════════════════════════════════════════════
• On CRAN (12): 'test-poisson_reg-glmnet.R:136:1',
  'test-poisson_reg-glmnet.R:147:1', 'test-poisson_reg-hurdle.R:3:3',
  'test-poisson_reg-hurdle.R:28:3', 'test-poisson_reg-stan.R:3:3',
  'test-poisson_reg-stan.R:30:3', 'test-poisson_reg-stan.R:70:3',
  'test-poisson_reg-stan.R:135:3', 'test-poisson_reg-zeroinfl.R:3:3',
  'test-poisson_reg-zeroinfl.R:28:3', 'test-poisson_reg.R:4:1',
  'test-poisson_reg.R:22:1'
• until fixed (2): 'test-poisson_reg-glmnet.R:161:3',
  'test-poisson_reg-glmnet.R:319:3'

[ FAIL 0 | WARN 0 | SKIP 14 | PASS 54 ]
> 
> proc.time()
   user  system elapsed 
  11.62    1.43   13.09