R Under development (unstable) (2026-02-18 r89435 ucrt) -- "Unsuffered Consequences"
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> Sys.setenv("R_TESTS" = "")
> 
> library(testthat)
> library(rmdcev)
Loading required package: Rcpp
This is rmdcev version 1.3.0
> test_check("rmdcev")

SAMPLING FOR MODEL 'mdcev' NOW (CHAIN 1).
Chain 1: 
Chain 1: Gradient evaluation took 0.002838 seconds
Chain 1: 1000 transitions using 10 leapfrog steps per transition would take 28.38 seconds.
Chain 1: Adjust your expectations accordingly!
Chain 1: 
Chain 1: 
Chain 1: WARNING: No variance estimation is
Chain 1:          performed for num_warmup < 20
Chain 1: 
Chain 1: Iteration: 1 / 10 [ 10%]  (Warmup)
Chain 1: Iteration: 2 / 10 [ 20%]  (Warmup)
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Chain 1: Iteration: 6 / 10 [ 60%]  (Sampling)
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Chain 1: Iteration: 8 / 10 [ 80%]  (Sampling)
Chain 1: Iteration: 9 / 10 [ 90%]  (Sampling)
Chain 1: Iteration: 10 / 10 [100%]  (Sampling)
Chain 1: 
Chain 1:  Elapsed Time: 0.071 seconds (Warm-up)
Chain 1:                0.019 seconds (Sampling)
Chain 1:                0.09 seconds (Total)
Chain 1: 

SAMPLING FOR MODEL 'mdcev' NOW (CHAIN 1).
Chain 1: 
Chain 1: Gradient evaluation took 0.001792 seconds
Chain 1: 1000 transitions using 10 leapfrog steps per transition would take 17.92 seconds.
Chain 1: Adjust your expectations accordingly!
Chain 1: 
Chain 1: 
Chain 1: WARNING: No variance estimation is
Chain 1:          performed for num_warmup < 20
Chain 1: 
Chain 1: Iteration: 1 / 10 [ 10%]  (Warmup)
Chain 1: Iteration: 2 / 10 [ 20%]  (Warmup)
Chain 1: Iteration: 3 / 10 [ 30%]  (Warmup)
Chain 1: Iteration: 4 / 10 [ 40%]  (Warmup)
Chain 1: Iteration: 5 / 10 [ 50%]  (Warmup)
Chain 1: Iteration: 6 / 10 [ 60%]  (Sampling)
Chain 1: Iteration: 7 / 10 [ 70%]  (Sampling)
Chain 1: Iteration: 8 / 10 [ 80%]  (Sampling)
Chain 1: Iteration: 9 / 10 [ 90%]  (Sampling)
Chain 1: Iteration: 10 / 10 [100%]  (Sampling)
Chain 1: 
Chain 1:  Elapsed Time: 0.026 seconds (Warm-up)
Chain 1:                0.028 seconds (Sampling)
Chain 1:                0.054 seconds (Total)
Chain 1: 

SAMPLING FOR MODEL 'mdcev_rp' NOW (CHAIN 1).
Chain 1: 
Chain 1: Gradient evaluation took 0.002456 seconds
Chain 1: 1000 transitions using 10 leapfrog steps per transition would take 24.56 seconds.
Chain 1: Adjust your expectations accordingly!
Chain 1: 
Chain 1: 
Chain 1: WARNING: No variance estimation is
Chain 1:          performed for num_warmup < 20
Chain 1: 
Chain 1: Iteration: 1 / 10 [ 10%]  (Warmup)
Chain 1: Iteration: 2 / 10 [ 20%]  (Warmup)
Chain 1: Iteration: 3 / 10 [ 30%]  (Warmup)
Chain 1: Iteration: 4 / 10 [ 40%]  (Warmup)
Chain 1: Iteration: 5 / 10 [ 50%]  (Warmup)
Chain 1: Iteration: 6 / 10 [ 60%]  (Sampling)
Chain 1: Iteration: 7 / 10 [ 70%]  (Sampling)
Chain 1: Iteration: 8 / 10 [ 80%]  (Sampling)
Chain 1: Iteration: 9 / 10 [ 90%]  (Sampling)
Chain 1: Iteration: 10 / 10 [100%]  (Sampling)
Chain 1: 
Chain 1:  Elapsed Time: 1.152 seconds (Warm-up)
Chain 1:                0.081 seconds (Sampling)
Chain 1:                1.233 seconds (Total)
Chain 1: 

SAMPLING FOR MODEL 'mdcev_rp' NOW (CHAIN 1).
Chain 1: Rejecting initial value:
Chain 1:   Log probability evaluates to log(0), i.e. negative infinity.
Chain 1:   Stan can't start sampling from this initial value.
Chain 1: 
Chain 1: Gradient evaluation took 0.00276 seconds
Chain 1: 1000 transitions using 10 leapfrog steps per transition would take 27.6 seconds.
Chain 1: Adjust your expectations accordingly!
Chain 1: 
Chain 1: 
Chain 1: WARNING: No variance estimation is
Chain 1:          performed for num_warmup < 20
Chain 1: 
Chain 1: Iteration: 1 / 10 [ 10%]  (Warmup)
Chain 1: Iteration: 2 / 10 [ 20%]  (Warmup)
Chain 1: Iteration: 3 / 10 [ 30%]  (Warmup)
Chain 1: Iteration: 4 / 10 [ 40%]  (Warmup)
Chain 1: Iteration: 5 / 10 [ 50%]  (Warmup)
Chain 1: Iteration: 6 / 10 [ 60%]  (Sampling)
Chain 1: Iteration: 7 / 10 [ 70%]  (Sampling)
Chain 1: Iteration: 8 / 10 [ 80%]  (Sampling)
Chain 1: Iteration: 9 / 10 [ 90%]  (Sampling)
Chain 1: Iteration: 10 / 10 [100%]  (Sampling)
Chain 1: 
Chain 1:  Elapsed Time: 0.205 seconds (Warm-up)
Chain 1:                0.061 seconds (Sampling)
Chain 1:                0.266 seconds (Total)
Chain 1: 

SAMPLING FOR MODEL 'mdcev_rp' NOW (CHAIN 1).
Chain 1: 
Chain 1: Gradient evaluation took 0.002392 seconds
Chain 1: 1000 transitions using 10 leapfrog steps per transition would take 23.92 seconds.
Chain 1: Adjust your expectations accordingly!
Chain 1: 
Chain 1: 
Chain 1: WARNING: No variance estimation is
Chain 1:          performed for num_warmup < 20
Chain 1: 
Chain 1: Iteration: 1 / 10 [ 10%]  (Warmup)
Chain 1: Iteration: 2 / 10 [ 20%]  (Warmup)
Chain 1: Iteration: 3 / 10 [ 30%]  (Warmup)
Chain 1: Iteration: 4 / 10 [ 40%]  (Warmup)
Chain 1: Iteration: 5 / 10 [ 50%]  (Warmup)
Chain 1: Iteration: 6 / 10 [ 60%]  (Sampling)
Chain 1: Iteration: 7 / 10 [ 70%]  (Sampling)
Chain 1: Iteration: 8 / 10 [ 80%]  (Sampling)
Chain 1: Iteration: 9 / 10 [ 90%]  (Sampling)
Chain 1: Iteration: 10 / 10 [100%]  (Sampling)
Chain 1: 
Chain 1:  Elapsed Time: 0.537 seconds (Warm-up)
Chain 1:                0.024 seconds (Sampling)
Chain 1:                0.561 seconds (Total)
Chain 1: 

SAMPLING FOR MODEL 'mdcev' NOW (CHAIN 1).
Chain 1: 
Chain 1: Gradient evaluation took 0.00132 seconds
Chain 1: 1000 transitions using 10 leapfrog steps per transition would take 13.2 seconds.
Chain 1: Adjust your expectations accordingly!
Chain 1: 
Chain 1: 
Chain 1: WARNING: No variance estimation is
Chain 1:          performed for num_warmup < 20
Chain 1: 
Chain 1: Iteration: 1 / 10 [ 10%]  (Warmup)
Chain 1: Iteration: 2 / 10 [ 20%]  (Warmup)
Chain 1: Iteration: 3 / 10 [ 30%]  (Warmup)
Chain 1: Iteration: 4 / 10 [ 40%]  (Warmup)
Chain 1: Iteration: 5 / 10 [ 50%]  (Warmup)
Chain 1: Iteration: 6 / 10 [ 60%]  (Sampling)
Chain 1: Iteration: 7 / 10 [ 70%]  (Sampling)
Chain 1: Iteration: 8 / 10 [ 80%]  (Sampling)
Chain 1: Iteration: 9 / 10 [ 90%]  (Sampling)
Chain 1: Iteration: 10 / 10 [100%]  (Sampling)
Chain 1: 
Chain 1:  Elapsed Time: 0.025 seconds (Warm-up)
Chain 1:                0.012 seconds (Sampling)
Chain 1:                0.037 seconds (Total)
Chain 1: 

SAMPLING FOR MODEL 'mdcev_rp' NOW (CHAIN 1).
Chain 1: 
Chain 1: Gradient evaluation took 0.001329 seconds
Chain 1: 1000 transitions using 10 leapfrog steps per transition would take 13.29 seconds.
Chain 1: Adjust your expectations accordingly!
Chain 1: 
Chain 1: 
Chain 1: WARNING: No variance estimation is
Chain 1:          performed for num_warmup < 20
Chain 1: 
Chain 1: Iteration: 1 / 10 [ 10%]  (Warmup)
Chain 1: Iteration: 2 / 10 [ 20%]  (Warmup)
Chain 1: Iteration: 3 / 10 [ 30%]  (Warmup)
Chain 1: Iteration: 4 / 10 [ 40%]  (Warmup)
Chain 1: Iteration: 5 / 10 [ 50%]  (Warmup)
Chain 1: Iteration: 6 / 10 [ 60%]  (Sampling)
Chain 1: Iteration: 7 / 10 [ 70%]  (Sampling)
Chain 1: Iteration: 8 / 10 [ 80%]  (Sampling)
Chain 1: Iteration: 9 / 10 [ 90%]  (Sampling)
Chain 1: Iteration: 10 / 10 [100%]  (Sampling)
Chain 1: 
Chain 1:  Elapsed Time: 0.012 seconds (Warm-up)
Chain 1:                0.012 seconds (Sampling)
Chain 1:                0.024 seconds (Total)
Chain 1: 
Saving _problems/test-data-36.R
[ FAIL 1 | WARN 0 | SKIP 5 | PASS 116 ]

══ Skipped tests (5) ═══════════════════════════════════════════════════════════
• On CRAN (5): 'test-cmdstanr.R:15:2', 'test-cmdstanr.R:34:2',
  'test-cmdstanr.R:48:2', 'test-cmdstanr.R:67:2', 'test-cmdstanr.R:91:2'

══ Failed tests ════════════════════════════════════════════════════════════════
── Error ('test-data.R:31:2'): non-id names ────────────────────────────────────
Error in `RunCmdStanOptimizing(stan_data_temp, "mdcev", mle_options, ...)`: Package 'cmdstanr' is required for backend = 'cmdstanr'.
Backtrace:
    ▆
 1. └─rmdcev::mdcev(...) at test-data.R:31:9
 2.   └─rmdcev:::maxlikeMDCEV(stan_data, mle_options, parms_info, ...)
 3.     └─rmdcev:::RunCmdStanOptimizing(...)

[ FAIL 1 | WARN 0 | SKIP 5 | PASS 116 ]
Error:
! Test failures.
Execution halted