Error(s) in re-building vignettes:
--- re-building 'exploratory-modelling.Rmd' using rmarkdown

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

Loading required package: ggplot2
Warning: Tried to calculate with group_by(), but the calculation failed.
Falling back to ungrouped filter operation...
label_key: id
Too many data series, skip labeling
--- finished re-building 'exploratory-modelling.Rmd'

--- re-building 'finding-features.Rmd' using rmarkdown
Warning: Tried to calculate with group_by(), but the calculation failed.
Falling back to ungrouped filter operation...
label_key: id
Too many data series, skip labeling
New names:
* min -> min...1
* med -> med...2
* max -> max...3
* min -> min...4
* q25 -> q25...5
* ...
--- finished re-building 'finding-features.Rmd'

--- re-building 'getting-started.Rmd' using rmarkdown
`stat_bin()` using `bins = 30`. Pick better value with `binwidth`.
Warning: Tried to calculate with group_by(), but the calculation failed.
Falling back to ungrouped filter operation...
label_key: id
Too many data series, skip labeling
Warning: Tried to calculate with group_by(), but the calculation failed.
Falling back to ungrouped filter operation...
label_key: id
Too many data series, skip labeling
--- finished re-building 'getting-started.Rmd'

--- re-building 'id-interesting-obs.Rmd' using rmarkdown
Warning: Tried to calculate with group_by(), but the calculation failed.
Falling back to ungrouped filter operation...
label_key: id
--- finished re-building 'id-interesting-obs.Rmd'

--- re-building 'longitudinal-data-structures.Rmd' using rmarkdown
--- finished re-building 'longitudinal-data-structures.Rmd'

--- re-building 'mixed-effects-models.Rmd' using rmarkdown
Quitting from lines 20-25 (mixed-effects-models.Rmd) 
Error: processing vignette 'mixed-effects-models.Rmd' failed with diagnostics:
there is no package called 'lme4'
--- failed re-building 'mixed-effects-models.Rmd'

--- re-building 'visualisation-gallery.Rmd' using rmarkdown
Warning: Tried to calculate with group_by(), but the calculation failed.
Falling back to ungrouped filter operation...
label_key: id
Too many data series, skip labeling
Warning: Tried to calculate with group_by(), but the calculation failed.
Falling back to ungrouped filter operation...
label_key: id
Too many data series, skip labeling
Warning: Tried to calculate with group_by(), but the calculation failed.
Falling back to ungrouped filter operation...
label_key: id
Too many data series, skip labeling
geom_path: Each group consists of only one observation. Do you need to adjust
the group aesthetic?
--- finished re-building 'visualisation-gallery.Rmd'

SUMMARY: processing the following file failed:
  'mixed-effects-models.Rmd'

Error: Vignette re-building failed.
Execution halted