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

--- re-building 'flights_examples.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 'flights_examples.Rmd'

--- re-building 'infer.Rmd' using rmarkdown
Loading required package: usethis

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

Quitting from lines 31-34 (infer.Rmd) 
Error: processing vignette 'infer.Rmd' failed with diagnostics:
'where' must be an environment
--- failed re-building 'infer.Rmd'

--- re-building 'mtcars_examples.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 'mtcars_examples.Rmd'

--- re-building 'observed_stat_examples.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 'observed_stat_examples.Rmd'

--- re-building 'two_sample_t.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_sample_t.Rmd'

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

Error: Vignette re-building failed.
Execution halted