Error(s) in re-building vignettes:
--- re-building 'Centroid-Vectors.Rmd' using rmarkdown
--- finished re-building 'Centroid-Vectors.Rmd'

--- re-building 'Customising-Plots-Manually.Rmd' using rmarkdown
--- finished re-building 'Customising-Plots-Manually.Rmd'

--- re-building 'Ellipse-Overlap.Rmd' using rmarkdown
--- finished re-building 'Ellipse-Overlap.Rmd'

--- re-building 'Introduction-to-SIBER.Rmd' using rmarkdown
--- finished re-building 'Introduction-to-SIBER.Rmd'

--- re-building 'Plot-SIA-ggplot2.Rmd' using rmarkdown
Quitting from lines 20-39 (Plot-SIA-ggplot2.Rmd) 
Error: processing vignette 'Plot-SIA-ggplot2.Rmd' failed with diagnostics:
there is no package called 'tidyverse'
--- failed re-building 'Plot-SIA-ggplot2.Rmd'

--- re-building 'Plot-posterior-ellipses.Rmd' using rmarkdown
Quitting from lines 17-23 (Plot-posterior-ellipses.Rmd) 
Error: processing vignette 'Plot-posterior-ellipses.Rmd' failed with diagnostics:
there is no package called 'tidyverse'
--- failed re-building 'Plot-posterior-ellipses.Rmd'

--- re-building 'Points-Inside-Outside-Ellipse.Rmd' using rmarkdown
Quitting from lines 24-40 (Points-Inside-Outside-Ellipse.Rmd) 
Error: processing vignette 'Points-Inside-Outside-Ellipse.Rmd' failed with diagnostics:
there is no package called 'tidyverse'
--- failed re-building 'Points-Inside-Outside-Ellipse.Rmd'

--- re-building 'Test-convergence.Rmd' using rmarkdown
--- finished re-building 'Test-convergence.Rmd'

--- re-building 'siber-comparing-communities.Rmd' using rmarkdown
Loading required package: viridisLite
spatstat.geom 2.2-0
spatstat.core 2.2-0
spatstat.linnet 2.1-1

spatstat 2.1-0       (nickname: 'Comedic violence') 
For an introduction to spatstat, type 'beginner' 

--- finished re-building 'siber-comparing-communities.Rmd'

--- re-building 'siber-comparing-populations.Rmd' using rmarkdown
spatstat.geom 2.2-0
spatstat.core 2.2-0
spatstat.linnet 2.1-1

spatstat 2.1-0       (nickname: 'Comedic violence') 
For an introduction to spatstat, type 'beginner' 

Loading required package: viridisLite
--- finished re-building 'siber-comparing-populations.Rmd'

SUMMARY: processing the following files failed:
  'Plot-SIA-ggplot2.Rmd' 'Plot-posterior-ellipses.Rmd'
  'Points-Inside-Outside-Ellipse.Rmd'

Error: Vignette re-building failed.
Execution halted