Package: GPCERF 0.2.4
Check: re-building of vignette outputs, Result: ERROR
  Error(s) in re-building vignettes:
  --- re-building ‘A-Note-on-Choosing-Hyperparameters.Rmd’ using rmarkdown
  --- finished re-building ‘A-Note-on-Choosing-Hyperparameters.Rmd’
  
  --- re-building ‘Developers-Guide.Rmd’ using rmarkdown
  --- finished re-building ‘Developers-Guide.Rmd’
  
  --- re-building ‘GPCERF.Rmd’ using rmarkdown
  2025-09-24 21:32:15.781787 jiamingy-Precision-7865-Tower 779444 GPCERF estimate_gps INFO: Started estimating GPS values ... 
  
  Quitting from GPCERF.Rmd:38-45 [unnamed-chunk-4]
  ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
  <error/rlang_error>
  Error in `SuperLearner::SuperLearner()`:
  ! All algorithms dropped from library
  ---
  Backtrace:
      ▆
   1. └─GPCERF::estimate_gps(...)
   2.   └─SuperLearner::SuperLearner(...)
  ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
  
  Error: processing vignette 'GPCERF.Rmd' failed with diagnostics:
  All algorithms dropped from library
  --- failed re-building ‘GPCERF.Rmd’
  
  --- re-building ‘Nearest-neighbor-Gaussian-Processes.Rmd’ using rmarkdown
  2025-09-24 21:32:41.034712 jiamingy-Precision-7865-Tower 785367 GPCERF estimate_gps INFO: Started estimating GPS values ... 
  
  Quitting from Nearest-neighbor-Gaussian-Processes.Rmd:83-92 [unnamed-chunk-4]
  ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
  <error/rlang_error>
  Error in `SuperLearner::SuperLearner()`:
  ! All algorithms dropped from library
  ---
  Backtrace:
      ▆
   1. └─GPCERF::estimate_gps(...)
   2.   └─SuperLearner::SuperLearner(...)
  ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
  
  Error: processing vignette 'Nearest-neighbor-Gaussian-Processes.Rmd' failed with diagnostics:
  All algorithms dropped from library
  --- failed re-building ‘Nearest-neighbor-Gaussian-Processes.Rmd’
  
  --- re-building ‘Standard-Gaussian-Processes.Rmd’ using rmarkdown
  2025-09-24 21:33:08.578503 jiamingy-Precision-7865-Tower 791383 GPCERF estimate_gps INFO: Started estimating GPS values ... 
  
  Quitting from Standard-Gaussian-Processes.Rmd:83-93 [unnamed-chunk-3]
  ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
  <error/rlang_error>
  Error in `SuperLearner::SuperLearner()`:
  ! All algorithms dropped from library
  ---
  Backtrace:
      ▆
   1. └─GPCERF::estimate_gps(...)
   2.   └─SuperLearner::SuperLearner(...)
  ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
  
  Error: processing vignette 'Standard-Gaussian-Processes.Rmd' failed with diagnostics:
  All algorithms dropped from library
  --- failed re-building ‘Standard-Gaussian-Processes.Rmd’
  
  SUMMARY: processing the following files failed:
    ‘GPCERF.Rmd’ ‘Nearest-neighbor-Gaussian-Processes.Rmd’
    ‘Standard-Gaussian-Processes.Rmd’
  
  Error: Vignette re-building failed.
  Execution halted
