R Under development (unstable) (2026-03-26 r89724 ucrt) -- "Unsuffered Consequences"
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> library(testthat)
> library(gsynth)
## v1.4.0: estimator='ife' now uses the EM algorithm; default is 'gsynth'. See ?gsynth.
## Since v.1.3.0, *gsynth* is a wrapper of the *fect* package.
> 
> test_check("gsynth")
[ FAIL 0 | WARN 4 | SKIP 19 | PASS 0 ]

══ Skipped tests (19) ══════════════════════════════════════════════════════════
• On CRAN (19): 'test-effect.R:7:1', 'test-gsynth.R:8:3', 'test-gsynth.R:23:3',
  'test-gsynth.R:33:3', 'test-gsynth.R:43:3', 'test-gsynth.R:56:3',
  'test-gsynth.R:67:3', 'test-gsynth.R:79:3', 'test-gsynth.R:88:3',
  'test-gsynth.R:98:3', 'test-gsynth.R:108:3', 'test-gsynth.R:121:3',
  'test-gsynth.R:132:3', 'test-gsynth.R:141:3', 'test-gsynth.R:150:3',
  'test-gsynth.R:159:3', 'test-gsynth.R:171:3', 'test-plot.R:5:1',
  'test-print.R:5:1'

[ FAIL 0 | WARN 4 | SKIP 19 | PASS 0 ]
> 
> proc.time()
   user  system elapsed 
   3.00    0.64    3.65