Errors in running code in vignettes:
when running code in ‘basic_usage.Rmd’
  ...
Warning in file(con, "r") :
  cannot open file './../man/rmdchunks/header.Rmd': No such file or directory

Quitting from lines 21-21 [unnamed-chunk-1] (basic_usage.Rmd)

  When tangling ‘basic_usage.Rmd’:
Error: cannot open the connection
Execution halted
when running code in ‘convergence.Rmd’
  ...
tau               0.3736957  653.9956379

> model_gmnl <- gmnl(data = data_gmnl, formula = choice ~ 
+     price + feat + brand | 0 | 0 | 0 | 1, ranp = c(feat = "n", 
+     brandhiland = "n",  .... [TRUNCATED] 
Estimating GMNL model 

  When sourcing ‘convergence.R’:
Error: initial value in 'vmmin' is not finite
Execution halted
when running code in ‘data_formatting.Rmd’
  ...
Warning in file(con, "r") :
  cannot open file './../man/rmdchunks/header.Rmd': No such file or directory

Quitting from lines 21-21 [unnamed-chunk-1] (data_formatting.Rmd)

  When tangling ‘data_formatting.Rmd’:
Error: cannot open the connection
Execution halted
when running code in ‘mnl_models.Rmd’
  ...
Warning in file(con, "r") :
  cannot open file './../man/rmdchunks/yogurtDataDescription.Rmd': No such file or directory

Quitting from lines 26-26 [unnamed-chunk-1] (mnl_models.Rmd)

  When tangling ‘mnl_models.Rmd’:
Error: cannot open the connection
Execution halted
when running code in ‘mnl_models_weighted.Rmd’
  ...
Warning in file(con, "r") :
  cannot open file './../man/rmdchunks/carsDataDescription.Rmd': No such file or directory

Quitting from lines 26-26 [unnamed-chunk-1] (mnl_models_weighted.Rmd)

  When tangling ‘mnl_models_weighted.Rmd’:
Error: cannot open the connection
Execution halted
when running code in ‘mxl_models.Rmd’
  ...
Warning in file(con, "r") :
  cannot open file './../man/rmdchunks/yogurtDataDescription.Rmd': No such file or directory

Quitting from lines 45-45 [unnamed-chunk-1] (mxl_models.Rmd)

  When tangling ‘mxl_models.Rmd’:
Error: cannot open the connection
Execution halted
when running code in ‘summarizing_results.Rmd’
  ...
Warning in file(con, "r") :
  cannot open file './../man/rmdchunks/header.Rmd': No such file or directory

Quitting from lines 21-21 [unnamed-chunk-1] (summarizing_results.Rmd)

  When tangling ‘summarizing_results.Rmd’:
Error: cannot open the connection
Execution halted
when running code in ‘utility_models.Rmd’
  ...
Warning in file(con, "r") :
  cannot open file './../man/rmdchunks/header.Rmd': No such file or directory

Quitting from lines 12-12 [unnamed-chunk-1] (utility_models.Rmd)

  When tangling ‘utility_models.Rmd’:
Error: cannot open the connection
Execution halted

  ‘basic_usage.Rmd’ using ‘UTF-8’... failed
  ‘benchmark.Rmd’ using ‘UTF-8’... [1s/1s] OK
  ‘convergence.Rmd’ using ‘UTF-8’... failed
  ‘data_formatting.Rmd’ using ‘UTF-8’... failed
  ‘interactions.Rmd’ using ‘UTF-8’... [4s/6s] OK
  ‘mnl_models.Rmd’ using ‘UTF-8’... failed
  ‘mnl_models_weighted.Rmd’ using ‘UTF-8’... failed
  ‘mxl_models.Rmd’ using ‘UTF-8’... failed
  ‘predict.Rmd’ using ‘UTF-8’... [3s/3s] OK
  ‘summarizing_results.Rmd’ using ‘UTF-8’... failed
  ‘utility_models.Rmd’ using ‘UTF-8’... failed