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### Running command:
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###   /Library/Frameworks/R.framework/Resources/bin/R CMD build --keep-empty-dirs --no-resave-data PCAtools
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* checking for file ‘PCAtools/DESCRIPTION’ ... OK
* preparing ‘PCAtools’:
* checking DESCRIPTION meta-information ... OK
* cleaning src
* installing the package to build vignettes
* creating vignettes ... ERROR
--- re-building ‘PCAtools.Rmd’ using rmarkdown

Quitting from PCAtools.Rmd:161-212 [unnamed-chunk-5]
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
<error/rlang_error>
Error:
! vector memory limit of 64.0 Gb reached, see mem.maxVSize()
---
Backtrace:
     ▆
  1. ├─GEOquery::getGEO("GSE2990", GSEMatrix = TRUE, getGPL = FALSE)
  2. │ └─GEOquery:::getAndParseGSEMatrices(...)
  3. │   └─GEOquery:::parseGSEMatrix(...)
  4. │     └─... %>% tidyr::spread(k, v)
  5. ├─tidyr::spread(., k, v)
  6. ├─base::unique(.)
  7. ├─dplyr::mutate(., v = paste0(trimws(v), collapse = ";"))
  8. ├─dplyr::group_by(., accession, k)
  9. ├─dplyr::filter(., !is.na(v))
 10. ├─dplyr::select(., -characteristics)
 11. ├─dplyr::mutate(., k = paste(k, characteristics, sep = ":"))
 12. ├─tidyr::separate(...)
 13. └─tidyr:::separate.data.frame(...)
 14.   └─tidyr:::str_separate(...)
 15.     └─tidyr:::str_split_fixed(...)
 16.       └─tidyr:::simplifyPieces(pieces, n, fill == "left")
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

Error: processing vignette 'PCAtools.Rmd' failed with diagnostics:
vector memory limit of 64.0 Gb reached, see mem.maxVSize()
--- failed re-building ‘PCAtools.Rmd’

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

Error: Vignette re-building failed.
Execution halted