Error(s) in re-building vignettes:
--- re-building ‘Introduction_to_the_cf_R_package.Rmd’ using rmarkdown
** Processing: /data/gannet/ripley/R/packages/tests-clang/ContourFunctions.Rcheck/vign_test/ContourFunctions/vignettes/Introduction_to_the_cf_R_package_files/figure-html/cf_grid-1.png
576x576 pixels, 3x8 bits/pixel, RGB
Input IDAT size = 41461 bytes
Input file size = 41599 bytes

Trying:
  zc = 9  zm = 8  zs = 0  f = 0		IDAT size = 28347
  zc = 9  zm = 8  zs = 1  f = 0
  zc = 1  zm = 8  zs = 2  f = 0
  zc = 9  zm = 8  zs = 3  f = 0
  zc = 9  zm = 8  zs = 0  f = 5
  zc = 9  zm = 8  zs = 1  f = 5
  zc = 1  zm = 8  zs = 2  f = 5
  zc = 9  zm = 8  zs = 3  f = 5
                               
Selecting parameters:
  zc = 9  zm = 8  zs = 0  f = 0		IDAT size = 28347

Output IDAT size = 28347 bytes (13114 bytes decrease)
Output file size = 28425 bytes (13174 bytes = 31.67% decrease)

** Processing: /data/gannet/ripley/R/packages/tests-clang/ContourFunctions.Rcheck/vign_test/ContourFunctions/vignettes/Introduction_to_the_cf_R_package_files/figure-html/cf_grid bar-1.png
576x576 pixels, 3x8 bits/pixel, RGB
Input IDAT size = 40003 bytes
Input file size = 40129 bytes

Trying:
  zc = 9  zm = 8  zs = 0  f = 0		IDAT size = 29337
  zc = 9  zm = 8  zs = 1  f = 0
  zc = 1  zm = 8  zs = 2  f = 0
  zc = 9  zm = 8  zs = 3  f = 0
  zc = 9  zm = 8  zs = 0  f = 5
  zc = 9  zm = 8  zs = 1  f = 5
  zc = 1  zm = 8  zs = 2  f = 5
  zc = 9  zm = 8  zs = 3  f = 5
                               
Selecting parameters:
  zc = 9  zm = 8  zs = 0  f = 0		IDAT size = 29337

Output IDAT size = 29337 bytes (10666 bytes decrease)
Output file size = 29415 bytes (10714 bytes = 26.70% decrease)

** Processing: /data/gannet/ripley/R/packages/tests-clang/ContourFunctions.Rcheck/vign_test/ContourFunctions/vignettes/Introduction_to_the_cf_R_package_files/figure-html/unnamed-chunk-1-1.png
576x576 pixels, 3x8 bits/pixel, RGB
Input IDAT size = 73076 bytes
Input file size = 73250 bytes

Trying:
  zc = 9  zm = 8  zs = 0  f = 0		IDAT size = 50943
  zc = 9  zm = 8  zs = 1  f = 0
  zc = 1  zm = 8  zs = 2  f = 0
  zc = 9  zm = 8  zs = 3  f = 0
  zc = 9  zm = 8  zs = 0  f = 5
  zc = 9  zm = 8  zs = 1  f = 5
  zc = 1  zm = 8  zs = 2  f = 5
  zc = 9  zm = 8  zs = 3  f = 5
                               
Selecting parameters:
  zc = 9  zm = 8  zs = 0  f = 0		IDAT size = 50943

Output IDAT size = 50943 bytes (22133 bytes decrease)
Output file size = 51021 bytes (22229 bytes = 30.35% decrease)

** Processing: /data/gannet/ripley/R/packages/tests-clang/ContourFunctions.Rcheck/vign_test/ContourFunctions/vignettes/Introduction_to_the_cf_R_package_files/figure-html/unnamed-chunk-2-1.png
576x576 pixels, 3x8 bits/pixel, RGB
Input IDAT size = 41461 bytes
Input file size = 41599 bytes

Trying:
  zc = 9  zm = 8  zs = 0  f = 0		IDAT size = 28347
  zc = 9  zm = 8  zs = 1  f = 0
  zc = 1  zm = 8  zs = 2  f = 0
  zc = 9  zm = 8  zs = 3  f = 0
  zc = 9  zm = 8  zs = 0  f = 5
  zc = 9  zm = 8  zs = 1  f = 5
  zc = 1  zm = 8  zs = 2  f = 5
  zc = 9  zm = 8  zs = 3  f = 5
                               
Selecting parameters:
  zc = 9  zm = 8  zs = 0  f = 0		IDAT size = 28347

Output IDAT size = 28347 bytes (13114 bytes decrease)
Output file size = 28425 bytes (13174 bytes = 31.67% decrease)


Quitting from lines 75-81 [cf_data] (Introduction_to_the_cf_R_package.Rmd)
Error: processing vignette 'Introduction_to_the_cf_R_package.Rmd' failed with diagnostics:
there is no package called 'laGP'
--- failed re-building ‘Introduction_to_the_cf_R_package.Rmd’

SUMMARY: processing the following file failed:
  ‘Introduction_to_the_cf_R_package.Rmd’

Error: Vignette re-building failed.
Execution halted