R Under development (unstable) (2026-03-25 r89703 ucrt) -- "Unsuffered Consequences"
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> library(testthat)
> library(fect)
> 
> test_check("fect")


F-test Failed. The estimated covariance matrix is singular.


Uncertainty estimates not available.

Uncertainty estimates not available.

[ FAIL 0 | WARN 0 | SKIP 243 | PASS 17 ]

══ Skipped tests (243) ═════════════════════════════════════════════════════════
• On CRAN (243): 'test-book-claims.R:81:3', 'test-book-claims.R:94:3',
  'test-book-claims.R:111:3', 'test-book-claims.R:121:3',
  'test-book-claims.R:131:3', 'test-book-claims.R:141:3',
  'test-book-claims.R:158:3', 'test-book-claims.R:171:3',
  'test-book-claims.R:184:3', 'test-book-claims.R:197:3',
  'test-book-claims.R:216:3', 'test-book-claims.R:233:3',
  'test-book-claims.R:250:3', 'test-book-claims.R:267:3',
  'test-book-claims.R:279:3', 'test-book-claims.R:292:3',
  'test-book-claims.R:312:3', 'test-book-claims.R:328:3',
  'test-book-claims.R:350:3', 'test-book-claims.R:365:3',
  'test-book-claims.R:380:3', 'test-book-claims.R:393:3',
  'test-book-claims.R:410:3', 'test-book-claims.R:422:3',
  'test-book-claims.R:433:3', 'test-book-claims.R:448:3',
  'test-book-claims.R:459:3', 'test-book-claims.R:473:3',
  'test-book-claims.R:485:3', 'test-book-claims.R:495:3',
  'test-book-claims.R:513:3', 'test-book-claims.R:530:3',
  'test-book-claims.R:544:3', 'test-book-claims.R:557:3',
  'test-book-claims.R:567:3', 'test-book-claims.R:577:3',
  'test-book-claims.R:587:3', 'test-book-claims.R:597:3',
  'test-book-claims.R:615:3', 'test-book-claims.R:626:3',
  'test-book-claims.R:646:3', 'test-book-claims.R:654:3',
  'test-book-claims.R:671:3', 'test-book-claims.R:684:3',
  'test-cumu-effect-esplot.R:2:3', 'test-did-wrapper.R:2:3',
  'test-edge-cases.R:7:3', 'test-edge-cases.R:63:3', 'test-edge-cases.R:129:3',
  'test-edge-cases.R:185:3', 'test-factors-from-refactor.R:85:3',
  'test-factors-from-refactor.R:109:3', 'test-factors-from-refactor.R:125:3',
  'test-factors-from-refactor.R:139:3', 'test-factors-from-refactor.R:153:3',
  'test-factors-from-refactor.R:189:3', 'test-factors-from-refactor.R:206:3',
  'test-factors-from-refactor.R:223:3', 'test-factors-from-refactor.R:251:3',
  'test-factors-from-refactor.R:275:3', 'test-factors-from-refactor.R:291:3',
  'test-factors-from-refactor.R:307:3', 'test-factors-from-refactor.R:329:3',
  'test-factors-from-refactor.R:356:3', 'test-factors-from-refactor.R:374:3',
  'test-factors-from-refactor.R:397:3', 'test-factors-from-refactor.R:415:3',
  'test-factors-from-refactor.R:431:3', 'test-factors-from-refactor.R:447:3',
  'test-factors-from-refactor.R:472:3', 'test-factors-from-refactor.R:488:3',
  'test-factors-from-refactor.R:504:3', 'test-factors-from-refactor.R:521:3',
  'test-factors-from-refactor.R:538:3', 'test-factors-from-refactor.R:554:3',
  'test-factors-from-refactor.R:793:3', 'test-factors-from-refactor.R:818:3',
  'test-factors-from-refactor.R:841:3', 'test-factors-from-refactor.R:865:3',
  'test-factors-from-refactor.R:891:3', 'test-factors-from-refactor.R:907:3',
  'test-factors-from-refactor.R:923:3', 'test-factors-from-refactor.R:939:3',
  'test-factors-from-refactor.R:956:3', 'test-factors-from-refactor.R:972:3',
  'test-factors-from-refactor.R:997:3', 'test-factors-from-refactor.R:1015:3',
  'test-factors-from-refactor.R:1032:3', 'test-factors-from-refactor.R:1048:3',
  'test-factors-from-refactor.R:1064:3', 'test-factors-from-refactor.R:1079:3',
  'test-factors-from-refactor.R:1097:3', 'test-factors-from-refactor.R:1122:3',
  'test-factors-from-refactor.R:1145:3', 'test-factors-from-refactor.R:1170:3',
  'test-factors-from-refactor.R:1187:3', 'test-factors-from-refactor.R:1204:3',
  'test-factors-from-refactor.R:1220:3', 'test-factors-from-refactor.R:1239:3',
  'test-factors-from-refactor.R:1255:3', 'test-factors-from-refactor.R:1270:3',
  'test-factors-from-refactor.R:1291:3', 'test-factors-from-refactor.R:1306:3',
  'test-factors-from-refactor.R:1323:3', 'test-factors-from-refactor.R:1339:3',
  'test-factors-from-refactor.R:1354:3', 'test-factors-from-refactor.R:1371:3',
  'test-factors-from-refactor.R:1384:3', 'test-factors-from-refactor.R:1410:3',
  'test-factors-from-refactor.R:1427:3', 'test-factors-from-refactor.R:1440:3',
  'test-factors-from-refactor.R:1462:3', 'test-factors-from-refactor.R:1483:3',
  'test-factors-from-refactor.R:1504:3', 'test-factors-from-refactor.R:1525:3',
  'test-factors-from-refactor.R:1546:3', 'test-factors-from-refactor.R:1570:3',
  'test-factors-from-refactor.R:1594:3', 'test-factors-from-refactor.R:1620:3',
  'test-factors-from-refactor.R:1643:3', 'test-factors-from-refactor.R:1678:3',
  'test-factors-from-refactor.R:1699:3', 'test-factors-from-refactor.R:1744:3',
  'test-factors-from-refactor.R:1771:3', 'test-factors-from-refactor.R:1795:3',
  'test-factors-from-refactor.R:1813:3', 'test-factors-from-refactor.R:1829:3',
  'test-fect-sens.R:2:3', 'test-getcohort.R:2:3', 'test-normalization.R:9:3',
  'test-normalization.R:88:3', 'test-plot-refactor.R:24:3',
  'test-plot-refactor.R:36:3', 'test-plot-refactor.R:48:3',
  'test-plot-refactor.R:56:3', 'test-plot-refactor.R:68:3',
  'test-plot-refactor.R:76:3', 'test-plot-refactor.R:94:3',
  'test-plot-refactor.R:102:3', 'test-plot-refactor.R:114:3',
  'test-plot-refactor.R:127:3', 'test-plot-refactor.R:140:3',
  'test-plot-refactor.R:157:3', 'test-plot-refactor.R:163:3',
  'test-plot-refactor.R:169:3', 'test-plot-refactor.R:184:3',
  'test-plot-refactor.R:197:3', 'test-plot-refactor.R:216:3',
  'test-plot-refactor.R:224:3', 'test-plot-refactor.R:232:3',
  'test-plot-refactor.R:241:3', 'test-score-unify.R:70:3',
  'test-score-unify.R:110:3', 'test-score-unify.R:133:3',
  'test-score-unify.R:166:3', 'test-score-unify.R:186:3',
  'test-score-unify.R:204:3', 'test-score-unify.R:226:3',
  'test-score-unify.R:243:3', 'test-score-unify.R:271:3',
  'test-score-unify.R:291:3', 'test-score-unify.R:334:3',
  'test-score-unify.R:348:3', 'test-score-unify.R:371:3',
  'test-score-unify.R:388:3', 'test-score-unify.R:399:3',
  'test-score-unify.R:414:3', 'test-score-unify.R:432:3',
  'test-score-unify.R:456:3', 'test-score-unify.R:479:3',
  'test-score-unify.R:497:3', 'test-score-unify.R:513:3',
  'test-score-unify.R:522:3', 'test-score-unify.R:532:3',
  'test-score-unify.R:549:3', 'test-score-unify.R:560:3',
  'test-score-unify.R:571:3', 'test-score-unify.R:590:3',
  'test-score-unify.R:607:3', 'test-score-unify.R:617:3',
  'test-score-unify.R:633:3', 'test-score-unify.R:659:3',
  'test-score-unify.R:685:3', 'test-score-unify.R:706:3',
  'test-score-unify.R:733:3', 'test-score-unify.R:754:3',
  'test-score-unify.R:775:3', 'test-score-unify.R:796:3',
  'test-score-unify.R:817:3', 'test-score-unify.R:852:3',
  'test-score-unify.R:874:3', 'test-score-unify.R:889:3',
  'test-score-unify.R:901:3', 'test-score-unify.R:913:3',
  'test-score-unify.R:922:3', 'test-score-unify.R:933:3',
  'test-score-unify.R:945:3', 'test-score-unify.R:960:3',
  'test-score-unify.R:983:3', 'test-score-unify.R:1018:3',
  'test-score-unify.R:1057:3', 'test-score-unify.R:1097:3',
  'test-score-unify.R:1128:3', 'test-score-unify.R:1159:3',
  'test-score-unify.R:1190:3', 'test-score-unify.R:1229:3',
  'test-score-unify.R:1259:3', 'test-score-unify.R:1283:3',
  'test-score-unify.R:1309:3', 'test-score-unify.R:1354:3',
  'test-score-unify.R:1399:3', 'test-score-unify.R:1437:3',
  'test-score-unify.R:1469:3', 'test-score-unify.R:1509:3',
  'test-score-unify.R:1544:3', 'test-score-unify.R:1580:3',
  'test-score-unify.R:1622:3', 'test-score-unify.R:1673:3',
  'test-score-unify.R:1749:3', 'test-score-unify.R:1839:3',
  'test-score-unify.R:1893:3', 'test-score-unify.R:1945:3',
  'test-score-unify.R:1997:3', 'test-score-unify.R:2049:3',
  'test-score-unify.R:2101:3', 'test-score-unify.R:2149:3',
  'test-score-unify.R:2197:3', 'test-score-unify.R:2245:3',
  'test-score-unify.R:2295:3', 'test-score-unify.R:2345:3',
  'test-score-unify.R:2397:3', 'test-score-unify.R:2602:3',
  'test-simulation-cfe.R:8:3', 'test-simulation-cfe.R:83:3',
  'test-simulation-fe.R:8:3', 'test-simulation-fe.R:87:3',
  'test-simulation-ife.R:8:3', 'test-simulation-ife.R:86:3',
  'test-simulation-staggered.R:8:3', 'test-simulation-staggered.R:80:3',
  'test-utility-functions.R:67:3', 'test-utility-functions.R:104:3',
  'test-utility-functions.R:179:3'

[ FAIL 0 | WARN 0 | SKIP 243 | PASS 17 ]
> 
> proc.time()
   user  system elapsed 
  38.14    2.95   41.23