Error in re-building vignettes:
  ...
Warning in block_exec(params) :
  failed to tidy R code in chunk <Load_library>
reason: Error in loadNamespace(name) : there is no package called 'formatR'

Warning in block_exec(params) :
  failed to tidy R code in chunk <Load_Project_MAGNET_data>
reason: Error in loadNamespace(name) : there is no package called 'formatR'

Warning in block_exec(params) :
  failed to tidy R code in chunk <Show_contents_of_Project_MAGNET>
reason: Error in loadNamespace(name) : there is no package called 'formatR'

Warning in block_exec(params) :
  failed to tidy R code in chunk <Outliers>
reason: Error in loadNamespace(name) : there is no package called 'formatR'

Warning in block_exec(params) :
  failed to tidy R code in chunk <MAGPSDS>
reason: Error in loadNamespace(name) : there is no package called 'formatR'

Warning in block_exec(params) :
  failed to tidy R code in chunk <FINALPSDS>
reason: Error in loadNamespace(name) : there is no package called 'formatR'

Warning in block_exec(params) :
  failed to tidy R code in chunk <Naive_spectrum_estimation>
reason: Error in loadNamespace(name) : there is no package called 'formatR'

Warning in block_exec(params) :
  failed to tidy R code in chunk <MAGNETNAIVE>
reason: Error in loadNamespace(name) : there is no package called 'formatR'

Warning in block_exec(params) :
  failed to tidy R code in chunk <Load RSEIS package>
reason: Error in loadNamespace(name) : there is no package called 'formatR'

Warning in (if (out_format(c("latex", "sweave", "listings"))) sanitize_fn else paste0)(path,  :
  replaced special characters in figure filename "figure/Load RSEIS package" -> "figure/Load_RSEIS_package"
Warning in block_exec(params) :
  failed to tidy R code in chunk <AR prewhiten>
reason: Error in loadNamespace(name) : there is no package called 'formatR'

Warning in (if (out_format(c("latex", "sweave", "listings"))) sanitize_fn else paste0)(path,  :
  replaced special characters in figure filename "figure/AR prewhiten" -> "figure/AR_prewhiten"
Warning in block_exec(params) :
  failed to tidy R code in chunk <ARFITPLT>
reason: Error in loadNamespace(name) : there is no package called 'formatR'

Warning in block_exec(params) :
  failed to tidy R code in chunk <Sampling rate versus interval>
reason: Error in loadNamespace(name) : there is no package called 'formatR'

Warning in (if (out_format(c("latex", "sweave", "listings"))) sanitize_fn else paste0)(path,  :
  replaced special characters in figure filename "figure/Sampling rate versus interval" -> "figure/Sampling_rate_versus_interval"
Warning in block_exec(params) :
  failed to tidy R code in chunk <Compute PSD with mtapspec>
reason: Error in loadNamespace(name) : there is no package called 'formatR'

Warning in (if (out_format(c("latex", "sweave", "listings"))) sanitize_fn else paste0)(path,  :
  replaced special characters in figure filename "figure/Compute PSD with mtapspec" -> "figure/Compute_PSD_with_mtapspec"
Warning in block_exec(params) :
  failed to tidy R code in chunk <Structure of mtapspec-psd>
reason: Error in loadNamespace(name) : there is no package called 'formatR'

Warning in (if (out_format(c("latex", "sweave", "listings"))) sanitize_fn else paste0)(path,  :
  replaced special characters in figure filename "figure/Structure of mtapspec-psd" -> "figure/Structure_of_mtapspec-psd"
Warning in block_exec(params) :
  failed to tidy R code in chunk <Comparative spectra: mtapspec vs pspectrum>
reason: Error in loadNamespace(name) : there is no package called 'formatR'

Warning in (if (out_format(c("latex", "sweave", "listings"))) sanitize_fn else paste0)(path,  :
  replaced special characters in figure filename "figure/Comparative spectra: mtapspec vs pspectrum" -> "figure/Comparative_spectra:_mtapspec_vs_pspectrum"
Warning in block_exec(params) :
  failed to tidy R code in chunk <RSEIS>
reason: Error in loadNamespace(name) : there is no package called 'formatR'

Warning in block_exec(params) :
  failed to tidy R code in chunk <Interpolate results>
reason: Error in loadNamespace(name) : there is no package called 'formatR'

Warning in (if (out_format(c("latex", "sweave", "listings"))) sanitize_fn else paste0)(path,  :
  replaced special characters in figure filename "figure/Interpolate results" -> "figure/Interpolate_results"
Warning in block_exec(params) :
  failed to tidy R code in chunk <Summarize regression statistics>
reason: Error in loadNamespace(name) : there is no package called 'formatR'

Warning in (if (out_format(c("latex", "sweave", "listings"))) sanitize_fn else paste0)(path,  :
  replaced special characters in figure filename "figure/Summarize regression statistics" -> "figure/Summarize_regression_statistics"
Warning in block_exec(params) :
  failed to tidy R code in chunk <RSEISvsRLP2>
reason: Error in loadNamespace(name) : there is no package called 'formatR'

Quitting from lines 438-441 (psd_overview.Rnw) 
Error: processing vignette ‘psd_overview.Rnw’ failed with diagnostics:
there is no package called 'ggplot2'
Execution halted