Error(s) in re-building vignettes:
  ...
--- re-building ‘dplyr_variants.Rmd’ using rmarkdown
Warning in engine$weave(file, quiet = quiet, encoding = enc) :
  Pandoc (>= 1.12.3) and/or pandoc-citeproc not available. Falling back to R Markdown v1.
Loading required package: dplyr

Attaching package: 'dplyr'

The following objects are masked from 'package:stats':

    filter, lag

The following objects are masked from 'package:base':

    intersect, setdiff, setequal, union

Joining, by = c("i", "t")
Joining, by = c("i", "t_right")
Joining, by = c("i", "t_right")
Joining, by = c("i", "t_right")
Joining, by = c("i", "t_bottom")
Joining, by = "i"
Note that the selected .i and .t do not uniquely identify observations in the data.
This message will be displayed only once per session unless the .uniqcheck option is set to TRUE.
--- finished re-building ‘dplyr_variants.Rmd’

--- re-building ‘panel_tools.Rmd’ using rmarkdown
Warning in engine$weave(file, quiet = quiet, encoding = enc) :
  Pandoc (>= 1.12.3) and/or pandoc-citeproc not available. Falling back to R Markdown v1.
Loading required package: dplyr

Attaching package: 'dplyr'

The following objects are masked from 'package:stats':

    filter, lag

The following objects are masked from 'package:base':

    intersect, setdiff, setequal, union

Note that the selected .i and .t do not uniquely identify observations in the data.
This message will be displayed only once per session unless the .uniqcheck option is set to TRUE.
Quitting from lines 236-237 (panel_tools.Rmd) 
Error: processing vignette 'panel_tools.Rmd' failed with diagnostics:
Problem with `mutate()` input `altered`.
✖ Input `altered` can't be recycled to size 2.
ℹ Input `altered` is `<lgl>`.
ℹ Input `altered` must be size 2 or 1, not 5.
ℹ The error occured in group 1: country = "Brazil".
--- failed re-building ‘panel_tools.Rmd’

--- re-building ‘pmdplyr.Rmd’ using rmarkdown
Warning in engine$weave(file, quiet = quiet, encoding = enc) :
  Pandoc (>= 1.12.3) and/or pandoc-citeproc not available. Falling back to R Markdown v1.
Loading required package: dplyr

Attaching package: 'dplyr'

The following objects are masked from 'package:stats':

    filter, lag

The following objects are masked from 'package:base':

    intersect, setdiff, setequal, union

Note that the selected .i and .t do not uniquely identify observations in the data.
This message will be displayed only once per session unless the .uniqcheck option is set to TRUE.
Warning in time_variable(insert_date, .method = "day", .skip = c(6, 7)) :
  .skip includes some days of week that are present in the data.
Observations in these weekdays will be given a missing time value.
--- finished re-building ‘pmdplyr.Rmd’

SUMMARY: processing the following file failed:
  ‘panel_tools.Rmd’

Error: Vignette re-building failed.
Execution halted