R Under development (unstable) (2025-12-07 r89119 ucrt) -- "Unsuffered Consequences"
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> require(testthat)
Loading required package: testthat
> require(quanteda)
Loading required package: quanteda
Package version: 4.3.1
Unicode version: 15.1
ICU version: 74.1
Parallel computing: 2 of 48 threads used.
See https://quanteda.io for tutorials and examples.
> quanteda_options(threads = 2)
> test_check("LSX")
Loading required package: LSX
Saving _problems/test-utils-141.R
[ FAIL 1 | WARN 0 | SKIP 13 | PASS 231 ]

══ Skipped tests (13) ══════════════════════════════════════════════════════════
• On CRAN (12): 'test-as.textmodel.R:163:5', 'test-as.textmodel.R:185:5',
  'test-textmodel_lss.R:185:5', 'test-textmodel_lss.R:192:5',
  'test-textmodel_lss.R:200:5', 'test-textmodel_lss.R:240:5',
  'test-textmodel_lss.R:331:5', 'test-textmodel_lss.R:414:5',
  'test-textmodel_lss.R:439:5', 'test-textmodel_lss2.R:14:3',
  'test-textmodel_lss2.R:83:3', 'test-utils.R:62:3'
• packageVersion("wordvector") >= "0.6.0" is not TRUE (1):
  'test-as.textmodel.R:101:3'

══ Failed tests ════════════════════════════════════════════════════════════════
── Error ('test-utils.R:141:3'): smooth_lss works with multiple grouping variables ──
Error in `predLoess(object$y, object$x, newx = if (is.null(newdata)) object$x else if (is.data.frame(newdata)) as.matrix(model.frame(delete.response(terms(object)), newdata, na.action = na.action)) else as.matrix(newdata), object$s, object$weights, object$robust, op$span, op$degree, op$normalize, op$parametric, op$drop.square, op$surface, op$cell, op$family, object$kd, object$divisor, se = se)`: NA/NaN/Inf in foreign function call (arg 5)
Backtrace:
    ▆
 1. └─LSX::smooth_lss(dat, groups = c("class1", "class2")) at test-utils.R:141:3
 2.   └─base::lapply(...)
 3.     └─LSX (local) FUN(X[[i]], ...)
 4.       └─LSX:::smooth_data(y, dummy, span, engine, ...)
 5.         ├─base::suppressWarnings(...)
 6.         │ └─base::withCallingHandlers(...)
 7.         ├─stats::predict(...)
 8.         └─stats:::predict.loess(...)
 9.           └─stats:::predLoess(...)

[ FAIL 1 | WARN 0 | SKIP 13 | PASS 231 ]
Error:
! Test failures.
Execution halted