Error(s) in re-building vignettes:
  ...
--- re-building 'base.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

--- finished re-building 'base.Rmd'

--- re-building 'colwise.Rmd' using rmarkdown
--- finished re-building 'colwise.Rmd'

--- re-building 'compatibility.Rmd' using rmarkdown
--- finished re-building 'compatibility.Rmd'

--- re-building 'dplyr.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

--- finished re-building 'dplyr.Rmd'

--- re-building 'grouping.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

--- finished re-building 'grouping.Rmd'

--- re-building 'programming.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

--- finished re-building 'programming.Rmd'

--- re-building 'rowwise.Rmd' using rmarkdown
Quitting from lines 253-256 (rowwise.Rmd) 
Error: processing vignette 'rowwise.Rmd' failed with diagnostics:
Problem with `summarise()` input `..1`.
x there is no package called 'broom'
i Input `..1` is `broom::glance(mod)`.
i The error occurred in row 1.
--- failed re-building 'rowwise.Rmd'

--- re-building 'two-table.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

--- finished re-building 'two-table.Rmd'

--- re-building 'window-functions.Rmd' using rmarkdown
--- finished re-building 'window-functions.Rmd'

SUMMARY: processing the following file failed:
  'rowwise.Rmd'

Error: Vignette re-building failed.
Execution halted