Running examples in ‘dplyr-Ex.R’ failed
The error most likely occurred in:

> base::assign(".ptime", proc.time(), pos = "CheckExEnv")
> ### Name: bind
> ### Title: Efficiently bind multiple data frames by row and column
> ### Aliases: bind bind_rows bind_cols
> 
> ### ** Examples
> 
> one <- starwars[1:4, ]
> two <- starwars[9:12, ]
> 
> # You can supply data frames as arguments:
> bind_rows(one, two)
# A tibble: 8 × 14
  name      height  mass hair_color skin_color eye_color birth_year sex   gender
  <chr>      <int> <dbl> <chr>      <chr>      <chr>          <dbl> <chr> <chr> 
1 Luke Sky…    172    77 blond      fair       blue            19   male  mascu…
2 C-3PO        167    75 <NA>       gold       yellow         112   none  mascu…
3 R2-D2         96    32 <NA>       white, bl… red             33   none  mascu…
4 Darth Va…    202   136 none       white      yellow          41.9 male  mascu…
5 Biggs Da…    183    84 black      light      brown           24   male  mascu…
6 Obi-Wan …    182    77 auburn, w… fair       blue-gray       57   male  mascu…
7 Anakin S…    188    84 blond      fair       blue            41.9 male  mascu…
8 Wilhuff …    180    NA auburn, g… fair       blue            64   male  mascu…
# … with 5 more variables: homeworld <chr>, species <chr>, films <list>,
#   vehicles <list>, starships <list>
> 
> # The contents of lists are spliced automatically:
> bind_rows(list(one, two))
# A tibble: 8 × 14
  name      height  mass hair_color skin_color eye_color birth_year sex   gender
  <chr>      <int> <dbl> <chr>      <chr>      <chr>          <dbl> <chr> <chr> 
1 Luke Sky…    172    77 blond      fair       blue            19   male  mascu…
2 C-3PO        167    75 <NA>       gold       yellow         112   none  mascu…
3 R2-D2         96    32 <NA>       white, bl… red             33   none  mascu…
4 Darth Va…    202   136 none       white      yellow          41.9 male  mascu…
5 Biggs Da…    183    84 black      light      brown           24   male  mascu…
6 Obi-Wan …    182    77 auburn, w… fair       blue-gray       57   male  mascu…
7 Anakin S…    188    84 blond      fair       blue            41.9 male  mascu…
8 Wilhuff …    180    NA auburn, g… fair       blue            64   male  mascu…
# … with 5 more variables: homeworld <chr>, species <chr>, films <list>,
#   vehicles <list>, starships <list>
> bind_rows(split(starwars, starwars$homeworld))
# A tibble: 77 × 14
   name     height  mass hair_color skin_color eye_color birth_year sex   gender
   <chr>     <int> <dbl> <chr>      <chr>      <chr>          <dbl> <chr> <chr> 
 1 Leia Or…    150    49 brown      light      brown             19 fema… femin…
 2 Bail Pr…    191    NA black      tan        brown             67 male  mascu…
 3 Raymus …    188    79 brown      light      brown             NA male  mascu…
 4 Ratts T…     79    15 none       grey, blue unknown           NA male  mascu…
 5 Lobot       175    79 none       light      blue              37 male  mascu…
 6 Jek Ton…    180   110 brown      fair       blue              NA male  mascu…
 7 Nute Gu…    191    90 none       mottled g… red               NA male  mascu…
 8 Ki-Adi-…    198    82 white      pale       yellow            92 male  mascu…
 9 Mas Ame…    196    NA none       blue       blue              NA male  mascu…
10 Mon Mot…    150    NA auburn     fair       blue              48 fema… femin…
# … with 67 more rows, and 5 more variables: homeworld <chr>, species <chr>,
#   films <list>, vehicles <list>, starships <list>
> bind_rows(list(one, two), list(two, one))
# A tibble: 16 × 14
   name     height  mass hair_color skin_color eye_color birth_year sex   gender
   <chr>     <int> <dbl> <chr>      <chr>      <chr>          <dbl> <chr> <chr> 
 1 Luke Sk…    172    77 blond      fair       blue            19   male  mascu…
 2 C-3PO       167    75 <NA>       gold       yellow         112   none  mascu…
 3 R2-D2        96    32 <NA>       white, bl… red             33   none  mascu…
 4 Darth V…    202   136 none       white      yellow          41.9 male  mascu…
 5 Biggs D…    183    84 black      light      brown           24   male  mascu…
 6 Obi-Wan…    182    77 auburn, w… fair       blue-gray       57   male  mascu…
 7 Anakin …    188    84 blond      fair       blue            41.9 male  mascu…
 8 Wilhuff…    180    NA auburn, g… fair       blue            64   male  mascu…
 9 Biggs D…    183    84 black      light      brown           24   male  mascu…
10 Obi-Wan…    182    77 auburn, w… fair       blue-gray       57   male  mascu…
11 Anakin …    188    84 blond      fair       blue            41.9 male  mascu…
12 Wilhuff…    180    NA auburn, g… fair       blue            64   male  mascu…
13 Luke Sk…    172    77 blond      fair       blue            19   male  mascu…
14 C-3PO       167    75 <NA>       gold       yellow         112   none  mascu…
15 R2-D2        96    32 <NA>       white, bl… red             33   none  mascu…
16 Darth V…    202   136 none       white      yellow          41.9 male  mascu…
# … with 5 more variables: homeworld <chr>, species <chr>, films <list>,
#   vehicles <list>, starships <list>
> 
> 
> # In addition to data frames, you can supply vectors. In the rows
> # direction, the vectors represent rows and should have inner
> # names:
> bind_rows(
+   c(a = 1, b = 2),
+   c(a = 3, b = 4)
+ )
# A tibble: 2 × 2
      a     b
  <dbl> <dbl>
1     1     2
2     3     4
> 
> # You can mix vectors and data frames:
> bind_rows(
+   c(a = 1, b = 2),
+   tibble(a = 3:4, b = 5:6),
+   c(a = 7, b = 8)
+ )
# A tibble: 4 × 2
      a     b
  <dbl> <dbl>
1     1     2
2     3     5
3     4     6
4     7     8
> 
> 
> # When you supply a column name with the `.id` argument, a new
> # column is created to link each row to its original data frame
> bind_rows(list(one, two), .id = "id")
# A tibble: 8 × 15
  id    name       height  mass hair_color skin_color eye_color birth_year sex  
  <chr> <chr>       <int> <dbl> <chr>      <chr>      <chr>          <dbl> <chr>
1 1     Luke Skyw…    172    77 blond      fair       blue            19   male 
2 1     C-3PO         167    75 <NA>       gold       yellow         112   none 
3 1     R2-D2          96    32 <NA>       white, bl… red             33   none 
4 1     Darth Vad…    202   136 none       white      yellow          41.9 male 
5 2     Biggs Dar…    183    84 black      light      brown           24   male 
6 2     Obi-Wan K…    182    77 auburn, w… fair       blue-gray       57   male 
7 2     Anakin Sk…    188    84 blond      fair       blue            41.9 male 
8 2     Wilhuff T…    180    NA auburn, g… fair       blue            64   male 
# … with 6 more variables: gender <chr>, homeworld <chr>, species <chr>,
#   films <list>, vehicles <list>, starships <list>
> bind_rows(list(a = one, b = two), .id = "id")
# A tibble: 8 × 15
  id    name       height  mass hair_color skin_color eye_color birth_year sex  
  <chr> <chr>       <int> <dbl> <chr>      <chr>      <chr>          <dbl> <chr>
1 a     Luke Skyw…    172    77 blond      fair       blue            19   male 
2 a     C-3PO         167    75 <NA>       gold       yellow         112   none 
3 a     R2-D2          96    32 <NA>       white, bl… red             33   none 
4 a     Darth Vad…    202   136 none       white      yellow          41.9 male 
5 b     Biggs Dar…    183    84 black      light      brown           24   male 
6 b     Obi-Wan K…    182    77 auburn, w… fair       blue-gray       57   male 
7 b     Anakin Sk…    188    84 blond      fair       blue            41.9 male 
8 b     Wilhuff T…    180    NA auburn, g… fair       blue            64   male 
# … with 6 more variables: gender <chr>, homeworld <chr>, species <chr>,
#   films <list>, vehicles <list>, starships <list>
> bind_rows("group 1" = one, "group 2" = two, .id = "groups")
# A tibble: 8 × 15
  groups  name     height  mass hair_color skin_color eye_color birth_year sex  
  <chr>   <chr>     <int> <dbl> <chr>      <chr>      <chr>          <dbl> <chr>
1 group 1 Luke Sk…    172    77 blond      fair       blue            19   male 
2 group 1 C-3PO       167    75 <NA>       gold       yellow         112   none 
3 group 1 R2-D2        96    32 <NA>       white, bl… red             33   none 
4 group 1 Darth V…    202   136 none       white      yellow          41.9 male 
5 group 2 Biggs D…    183    84 black      light      brown           24   male 
6 group 2 Obi-Wan…    182    77 auburn, w… fair       blue-gray       57   male 
7 group 2 Anakin …    188    84 blond      fair       blue            41.9 male 
8 group 2 Wilhuff…    180    NA auburn, g… fair       blue            64   male 
# … with 6 more variables: gender <chr>, homeworld <chr>, species <chr>,
#   films <list>, vehicles <list>, starships <list>
> 
> # Columns don't need to match when row-binding
> bind_rows(tibble(x = 1:3), tibble(y = 1:4))
# A tibble: 7 × 2
      x     y
  <int> <int>
1     1    NA
2     2    NA
3     3    NA
4    NA     1
5    NA     2
6    NA     3
7    NA     4
> 
> # Row sizes must be compatible when column-binding
> try(bind_cols(tibble(x = 1:3), tibble(y = 1:2)))
Error in bind_cols(tibble(x = 1:3), tibble(y = 1:2)) : 
  Can't recycle `..1` (size 3) to match `..2` (size 2).
> 
> # Even with 0 columns
> try(bind_cols(tibble(x = 1:3), tibble()))
Error in bind_cols(tibble(x = 1:3), tibble()) : 
  Can't recycle `..1` (size 3) to match `..2` (size 0).
> 
> bind_cols(one, two)
Error in `bind_cols()`:
! number of characters is not computable in "bytes" encoding, element 1
Backtrace:
     ▆
  1. ├─dplyr::bind_cols(one, two)
  2. │ ├─dplyr:::fix_call(vec_cbind(!!!dots, .name_repair = .name_repair))
  3. │ │ └─base::withCallingHandlers(...)
  4. │ └─vctrs::vec_cbind(!!!dots, .name_repair = .name_repair)
  5. ├─vctrs:::describe_repair(`<chr>`, `<chr>`)
  6. │ └─rlang::names_inform_repair(orig_names, names)
  7. │   └─rlang::inform(message = message, class = "rlib_message_name_repair")
  8. │     ├─base::withRestarts(...)
  9. │     │ └─base (local) withOneRestart(expr, restarts[[1L]])
 10. │     │   └─base (local) doWithOneRestart(return(expr), restart)
 11. │     └─base::signalCondition(cnd)
 12. │       ├─base::conditionMessage(cond)
 13. │       └─rlang:::conditionMessage.rlang_message(cond)
 14. │         └─rlang::cnd_message(c)
 15. │           └─rlang:::cnd_message_format(cnd, ...)
 16. │             └─rlang (local) cli_format(glue_escape(lines))
 17. │               └─rlang:::.rlang_cli_format(x, cli::format_message)
 18. │                 └─cli::cli_format(x, .envir = emptyenv())
 19. │                   └─cli:::fmt(...)
 20. │                     └─cli:::cli__fmt(rec, collapse, strip_newline, app)
 21. │                       ├─base::do.call(app[[msg$type]], msg$args)
 22. │                       └─cli (local) `<fn>`(text = `<named list>`, id = "cli-2553110-342", class = NULL)
 23. │                         └─cli:::clii_bullets(app, text, id, class)
 24. │                           └─base::lapply(...)
 25. │                             └─cli (local) FUN(X[[i]], ...)
 26. │                               └─app$text(text[[i]])
 27. │                                 └─cli:::clii_text(app, text)
 28. │                                   └─app$xtext(text)
 29. │                                     └─cli:::clii__xtext(...)
 30. │                                       └─cli::ansi_strwrap(text, exdent = exdent, width = app$get_width(extra = padding))
 31. │                                         └─base::lapply(pars, ansi_trimws)
 32. │                                           └─cli (local) FUN(X[[i]], ...)
 33. └─base::.handleSimpleError(...)
 34.   └─dplyr (local) h(simpleError(msg, call))
 35.     └─rlang::cnd_signal(cnd)
Execution halted