Error(s) in re-building vignettes:
--- re-building ‘neurobase.Rmd’ using rmarkdown
Warning in engine$weave(file, quiet = quiet, encoding = enc) :
  Pandoc (>= 1.12.3) not available. Falling back to R Markdown v1.
Warning in doTryCatch(return(expr), name, parentenv, handler) :
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Warning in doTryCatch(return(expr), name, parentenv, handler) :
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Warning in doTryCatch(return(expr), name, parentenv, handler) :
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Warning in doTryCatch(return(expr), name, parentenv, handler) :
  no font could be found for family "Arial"
Warning in doTryCatch(return(expr), name, parentenv, handler) :
  no font could be found for family "Arial"
Warning in doTryCatch(return(expr), name, parentenv, handler) :
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Warning in doTryCatch(return(expr), name, parentenv, handler) :
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Warning in doTryCatch(return(expr), name, parentenv, handler) :
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Warning in doTryCatch(return(expr), name, parentenv, handler) :
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Warning in doTryCatch(return(expr), name, parentenv, handler) :
  no font could be found for family "Arial"
Warning in doTryCatch(return(expr), name, parentenv, handler) :
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Warning in doTryCatch(return(expr), name, parentenv, handler) :
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Warning in doTryCatch(return(expr), name, parentenv, handler) :
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Warning in doTryCatch(return(expr), name, parentenv, handler) :
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Warning in doTryCatch(return(expr), name, parentenv, handler) :
  no font could be found for family "Arial"
Warning in doTryCatch(return(expr), name, parentenv, handler) :
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Warning in doTryCatch(return(expr), name, parentenv, handler) :
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Warning in doTryCatch(return(expr), name, parentenv, handler) :
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Warning in doTryCatch(return(expr), name, parentenv, handler) :
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Warning in doTryCatch(return(expr), name, parentenv, handler) :
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Warning in doTryCatch(return(expr), name, parentenv, handler) :
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Warning in doTryCatch(return(expr), name, parentenv, handler) :
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Warning in doTryCatch(return(expr), name, parentenv, handler) :
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Warning in doTryCatch(return(expr), name, parentenv, handler) :
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Warning in doTryCatch(return(expr), name, parentenv, handler) :
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Warning in doTryCatch(return(expr), name, parentenv, handler) :
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Warning in doTryCatch(return(expr), name, parentenv, handler) :
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Warning in doTryCatch(return(expr), name, parentenv, handler) :
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Warning in doTryCatch(return(expr), name, parentenv, handler) :
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Warning in doTryCatch(return(expr), name, parentenv, handler) :
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Warning in doTryCatch(return(expr), name, parentenv, handler) :
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Warning in doTryCatch(return(expr), name, parentenv, handler) :
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Warning in doTryCatch(return(expr), name, parentenv, handler) :
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Warning in doTryCatch(return(expr), name, parentenv, handler) :
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Warning in doTryCatch(return(expr), name, parentenv, handler) :
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Warning in doTryCatch(return(expr), name, parentenv, handler) :
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Warning in doTryCatch(return(expr), name, parentenv, handler) :
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Warning in doTryCatch(return(expr), name, parentenv, handler) :
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Warning in doTryCatch(return(expr), name, parentenv, handler) :
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Warning in doTryCatch(return(expr), name, parentenv, handler) :
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Warning in doTryCatch(return(expr), name, parentenv, handler) :
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Warning in doTryCatch(return(expr), name, parentenv, handler) :
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Warning in doTryCatch(return(expr), name, parentenv, handler) :
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Warning in doTryCatch(return(expr), name, parentenv, handler) :
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Warning in doTryCatch(return(expr), name, parentenv, handler) :
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Warning in doTryCatch(return(expr), name, parentenv, handler) :
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Warning in doTryCatch(return(expr), name, parentenv, handler) :
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Warning in doTryCatch(return(expr), name, parentenv, handler) :
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Warning in doTryCatch(return(expr), name, parentenv, handler) :
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Warning in doTryCatch(return(expr), name, parentenv, handler) :
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Warning in doTryCatch(return(expr), name, parentenv, handler) :
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Warning in doTryCatch(return(expr), name, parentenv, handler) :
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Warning in doTryCatch(return(expr), name, parentenv, handler) :
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Warning in doTryCatch(return(expr), name, parentenv, handler) :
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Warning in doTryCatch(return(expr), name, parentenv, handler) :
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Warning in doTryCatch(return(expr), name, parentenv, handler) :
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Warning in doTryCatch(return(expr), name, parentenv, handler) :
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Warning in doTryCatch(return(expr), name, parentenv, handler) :
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Warning in doTryCatch(return(expr), name, parentenv, handler) :
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Warning in doTryCatch(return(expr), name, parentenv, handler) :
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Warning in doTryCatch(return(expr), name, parentenv, handler) :
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Warning in doTryCatch(return(expr), name, parentenv, handler) :
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Warning in doTryCatch(return(expr), name, parentenv, handler) :
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Warning in doTryCatch(return(expr), name, parentenv, handler) :
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Warning in doTryCatch(return(expr), name, parentenv, handler) :
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Warning in doTryCatch(return(expr), name, parentenv, handler) :
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Warning in doTryCatch(return(expr), name, parentenv, handler) :
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Warning in doTryCatch(return(expr), name, parentenv, handler) :
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Warning in doTryCatch(return(expr), name, parentenv, handler) :
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Warning in doTryCatch(return(expr), name, parentenv, handler) :
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Warning in doTryCatch(return(expr), name, parentenv, handler) :
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Warning in doTryCatch(return(expr), name, parentenv, handler) :
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Warning in doTryCatch(return(expr), name, parentenv, handler) :
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Warning in doTryCatch(return(expr), name, parentenv, handler) :
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Warning in doTryCatch(return(expr), name, parentenv, handler) :
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Warning in doTryCatch(return(expr), name, parentenv, handler) :
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Warning in doTryCatch(return(expr), name, parentenv, handler) :
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Warning in doTryCatch(return(expr), name, parentenv, handler) :
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Warning in doTryCatch(return(expr), name, parentenv, handler) :
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Warning in doTryCatch(return(expr), name, parentenv, handler) :
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Warning in doTryCatch(return(expr), name, parentenv, handler) :
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Warning in doTryCatch(return(expr), name, parentenv, handler) :
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Warning in doTryCatch(return(expr), name, parentenv, handler) :
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Warning in doTryCatch(return(expr), name, parentenv, handler) :
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Warning in doTryCatch(return(expr), name, parentenv, handler) :
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Warning in doTryCatch(return(expr), name, parentenv, handler) :
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Warning in doTryCatch(return(expr), name, parentenv, handler) :
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Warning in doTryCatch(return(expr), name, parentenv, handler) :
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Warning in doTryCatch(return(expr), name, parentenv, handler) :
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Warning in doTryCatch(return(expr), name, parentenv, handler) :
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Warning in doTryCatch(return(expr), name, parentenv, handler) :
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Warning in doTryCatch(return(expr), name, parentenv, handler) :
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Warning in doTryCatch(return(expr), name, parentenv, handler) :
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Warning in doTryCatch(return(expr), name, parentenv, handler) :
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Warning in doTryCatch(return(expr), name, parentenv, handler) :
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Warning in doTryCatch(return(expr), name, parentenv, handler) :
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Warning in doTryCatch(return(expr), name, parentenv, handler) :
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Warning in doTryCatch(return(expr), name, parentenv, handler) :
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Warning in doTryCatch(return(expr), name, parentenv, handler) :
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Warning in doTryCatch(return(expr), name, parentenv, handler) :
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Warning in doTryCatch(return(expr), name, parentenv, handler) :
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Warning in doTryCatch(return(expr), name, parentenv, handler) :
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Warning in doTryCatch(return(expr), name, parentenv, handler) :
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Warning in doTryCatch(return(expr), name, parentenv, handler) :
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Warning in doTryCatch(return(expr), name, parentenv, handler) :
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Warning in doTryCatch(return(expr), name, parentenv, handler) :
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Warning in doTryCatch(return(expr), name, parentenv, handler) :
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Warning in doTryCatch(return(expr), name, parentenv, handler) :
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Warning in doTryCatch(return(expr), name, parentenv, handler) :
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Warning in doTryCatch(return(expr), name, parentenv, handler) :
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Warning in doTryCatch(return(expr), name, parentenv, handler) :
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Warning in doTryCatch(return(expr), name, parentenv, handler) :
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Warning in doTryCatch(return(expr), name, parentenv, handler) :
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Warning in doTryCatch(return(expr), name, parentenv, handler) :
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Warning in doTryCatch(return(expr), name, parentenv, handler) :
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Warning in doTryCatch(return(expr), name, parentenv, handler) :
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Warning in doTryCatch(return(expr), name, parentenv, handler) :
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Warning in doTryCatch(return(expr), name, parentenv, handler) :
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Warning in doTryCatch(return(expr), name, parentenv, handler) :
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Warning in doTryCatch(return(expr), name, parentenv, handler) :
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Warning in doTryCatch(return(expr), name, parentenv, handler) :
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Warning in doTryCatch(return(expr), name, parentenv, handler) :
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Warning in doTryCatch(return(expr), name, parentenv, handler) :
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Warning in doTryCatch(return(expr), name, parentenv, handler) :
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Warning in doTryCatch(return(expr), name, parentenv, handler) :
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Warning in doTryCatch(return(expr), name, parentenv, handler) :
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Warning in doTryCatch(return(expr), name, parentenv, handler) :
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Warning in doTryCatch(return(expr), name, parentenv, handler) :
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Warning in doTryCatch(return(expr), name, parentenv, handler) :
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Warning in doTryCatch(return(expr), name, parentenv, handler) :
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Warning in doTryCatch(return(expr), name, parentenv, handler) :
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Warning in doTryCatch(return(expr), name, parentenv, handler) :
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Warning in doTryCatch(return(expr), name, parentenv, handler) :
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Warning in doTryCatch(return(expr), name, parentenv, handler) :
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Warning in doTryCatch(return(expr), name, parentenv, handler) :
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Warning in doTryCatch(return(expr), name, parentenv, handler) :
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Warning in doTryCatch(return(expr), name, parentenv, handler) :
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Warning in doTryCatch(return(expr), name, parentenv, handler) :
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Warning in doTryCatch(return(expr), name, parentenv, handler) :
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Warning in doTryCatch(return(expr), name, parentenv, handler) :
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Warning in doTryCatch(return(expr), name, parentenv, handler) :
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Warning in doTryCatch(return(expr), name, parentenv, handler) :
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Warning in doTryCatch(return(expr), name, parentenv, handler) :
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Warning in doTryCatch(return(expr), name, parentenv, handler) :
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Warning in doTryCatch(return(expr), name, parentenv, handler) :
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Warning in doTryCatch(return(expr), name, parentenv, handler) :
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Warning in doTryCatch(return(expr), name, parentenv, handler) :
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Warning in doTryCatch(return(expr), name, parentenv, handler) :
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Warning in doTryCatch(return(expr), name, parentenv, handler) :
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Warning in doTryCatch(return(expr), name, parentenv, handler) :
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Warning in doTryCatch(return(expr), name, parentenv, handler) :
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Warning in doTryCatch(return(expr), name, parentenv, handler) :
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Warning in doTryCatch(return(expr), name, parentenv, handler) :
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Warning in doTryCatch(return(expr), name, parentenv, handler) :
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Warning in doTryCatch(return(expr), name, parentenv, handler) :
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Warning in doTryCatch(return(expr), name, parentenv, handler) :
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Warning in doTryCatch(return(expr), name, parentenv, handler) :
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Warning in doTryCatch(return(expr), name, parentenv, handler) :
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Warning in doTryCatch(return(expr), name, parentenv, handler) :
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Warning in doTryCatch(return(expr), name, parentenv, handler) :
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Warning in doTryCatch(return(expr), name, parentenv, handler) :
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Warning in doTryCatch(return(expr), name, parentenv, handler) :
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--- finished re-building ‘neurobase.Rmd’

--- re-building ‘nifti_basics.Rmd’ using rmarkdown
Warning in engine$weave(file, quiet = quiet, encoding = enc) :
  Pandoc (>= 1.12.3) not available. Falling back to R Markdown v1.
Warning in doTryCatch(return(expr), name, parentenv, handler) :
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Warning in doTryCatch(return(expr), name, parentenv, handler) :
  no font could be found for family "Arial"
Warning in doTryCatch(return(expr), name, parentenv, handler) :
  no font could be found for family "Arial"
Warning in doTryCatch(return(expr), name, parentenv, handler) :
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Warning in doTryCatch(return(expr), name, parentenv, handler) :
  no font could be found for family "Arial"
Warning in doTryCatch(return(expr), name, parentenv, handler) :
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Warning in doTryCatch(return(expr), name, parentenv, handler) :
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Warning in doTryCatch(return(expr), name, parentenv, handler) :
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Warning in doTryCatch(return(expr), name, parentenv, handler) :
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Warning in doTryCatch(return(expr), name, parentenv, handler) :
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Warning in doTryCatch(return(expr), name, parentenv, handler) :
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Warning in doTryCatch(return(expr), name, parentenv, handler) :
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Warning in doTryCatch(return(expr), name, parentenv, handler) :
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Warning in doTryCatch(return(expr), name, parentenv, handler) :
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Warning in doTryCatch(return(expr), name, parentenv, handler) :
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Warning in doTryCatch(return(expr), name, parentenv, handler) :
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Warning in doTryCatch(return(expr), name, parentenv, handler) :
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Warning in doTryCatch(return(expr), name, parentenv, handler) :
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Warning in doTryCatch(return(expr), name, parentenv, handler) :
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Warning in doTryCatch(return(expr), name, parentenv, handler) :
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Warning in doTryCatch(return(expr), name, parentenv, handler) :
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Warning in doTryCatch(return(expr), name, parentenv, handler) :
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Warning in doTryCatch(return(expr), name, parentenv, handler) :
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Warning in doTryCatch(return(expr), name, parentenv, handler) :
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Warning in doTryCatch(return(expr), name, parentenv, handler) :
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Warning in doTryCatch(return(expr), name, parentenv, handler) :
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Warning in doTryCatch(return(expr), name, parentenv, handler) :
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Warning in doTryCatch(return(expr), name, parentenv, handler) :
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Warning in doTryCatch(return(expr), name, parentenv, handler) :
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Warning in doTryCatch(return(expr), name, parentenv, handler) :
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Warning in doTryCatch(return(expr), name, parentenv, handler) :
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Warning in doTryCatch(return(expr), name, parentenv, handler) :
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Warning in doTryCatch(return(expr), name, parentenv, handler) :
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Warning in doTryCatch(return(expr), name, parentenv, handler) :
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Warning in doTryCatch(return(expr), name, parentenv, handler) :
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Warning in doTryCatch(return(expr), name, parentenv, handler) :
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Warning in doTryCatch(return(expr), name, parentenv, handler) :
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Warning in doTryCatch(return(expr), name, parentenv, handler) :
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Warning in doTryCatch(return(expr), name, parentenv, handler) :
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Warning in doTryCatch(return(expr), name, parentenv, handler) :
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Warning in doTryCatch(return(expr), name, parentenv, handler) :
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Warning in doTryCatch(return(expr), name, parentenv, handler) :
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Warning in doTryCatch(return(expr), name, parentenv, handler) :
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Warning in doTryCatch(return(expr), name, parentenv, handler) :
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Warning in doTryCatch(return(expr), name, parentenv, handler) :
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Warning in doTryCatch(return(expr), name, parentenv, handler) :
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Warning in doTryCatch(return(expr), name, parentenv, handler) :
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Warning in doTryCatch(return(expr), name, parentenv, handler) :
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Warning in doTryCatch(return(expr), name, parentenv, handler) :
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Warning in doTryCatch(return(expr), name, parentenv, handler) :
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Warning in doTryCatch(return(expr), name, parentenv, handler) :
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Warning in doTryCatch(return(expr), name, parentenv, handler) :
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Warning in doTryCatch(return(expr), name, parentenv, handler) :
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Warning in doTryCatch(return(expr), name, parentenv, handler) :
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Warning in doTryCatch(return(expr), name, parentenv, handler) :
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Warning in doTryCatch(return(expr), name, parentenv, handler) :
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Warning in doTryCatch(return(expr), name, parentenv, handler) :
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Warning in doTryCatch(return(expr), name, parentenv, handler) :
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Warning in doTryCatch(return(expr), name, parentenv, handler) :
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Warning in doTryCatch(return(expr), name, parentenv, handler) :
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Warning in doTryCatch(return(expr), name, parentenv, handler) :
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Warning in doTryCatch(return(expr), name, parentenv, handler) :
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Warning in doTryCatch(return(expr), name, parentenv, handler) :
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Warning in doTryCatch(return(expr), name, parentenv, handler) :
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Warning in doTryCatch(return(expr), name, parentenv, handler) :
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Warning in doTryCatch(return(expr), name, parentenv, handler) :
  no font could be found for family "Arial"
Warning in doTryCatch(return(expr), name, parentenv, handler) :
  no font could be found for family "Arial"
Warning in doTryCatch(return(expr), name, parentenv, handler) :
  no font could be found for family "Arial"
Warning in doTryCatch(return(expr), name, parentenv, handler) :
  no font could be found for family "Arial"
Warning in doTryCatch(return(expr), name, parentenv, handler) :
  no font could be found for family "Arial"
Warning in doTryCatch(return(expr), name, parentenv, handler) :
  no font could be found for family "Arial"
Warning in doTryCatch(return(expr), name, parentenv, handler) :
  no font could be found for family "Arial"
Warning in doTryCatch(return(expr), name, parentenv, handler) :
  no font could be found for family "Arial"
Warning in doTryCatch(return(expr), name, parentenv, handler) :
  no font could be found for family "Arial"
Warning in doTryCatch(return(expr), name, parentenv, handler) :
  no font could be found for family "Arial"
Warning in doTryCatch(return(expr), name, parentenv, handler) :
  no font could be found for family "Arial"
Warning in doTryCatch(return(expr), name, parentenv, handler) :
  no font could be found for family "Arial"
Warning in doTryCatch(return(expr), name, parentenv, handler) :
  no font could be found for family "Arial"
Warning in doTryCatch(return(expr), name, parentenv, handler) :
  no font could be found for family "Arial"
Warning in doTryCatch(return(expr), name, parentenv, handler) :
  no font could be found for family "Arial"
Warning in doTryCatch(return(expr), name, parentenv, handler) :
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Warning in doTryCatch(return(expr), name, parentenv, handler) :
  no font could be found for family "Arial"
Warning in doTryCatch(return(expr), name, parentenv, handler) :
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Warning in doTryCatch(return(expr), name, parentenv, handler) :
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Warning in doTryCatch(return(expr), name, parentenv, handler) :
  no font could be found for family "Arial"
Warning in doTryCatch(return(expr), name, parentenv, handler) :
  no font could be found for family "Arial"
Warning in doTryCatch(return(expr), name, parentenv, handler) :
  no font could be found for family "Arial"
Warning in doTryCatch(return(expr), name, parentenv, handler) :
  no font could be found for family "Arial"
Warning in doTryCatch(return(expr), name, parentenv, handler) :
  no font could be found for family "Arial"
Warning in doTryCatch(return(expr), name, parentenv, handler) :
  no font could be found for family "Arial"
Warning in doTryCatch(return(expr), name, parentenv, handler) :
  no font could be found for family "Arial"
Warning in doTryCatch(return(expr), name, parentenv, handler) :
  no font could be found for family "Arial"
Warning in doTryCatch(return(expr), name, parentenv, handler) :
  no font could be found for family "Arial"
Warning in doTryCatch(return(expr), name, parentenv, handler) :
  no font could be found for family "Arial"
Warning in doTryCatch(return(expr), name, parentenv, handler) :
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Warning in doTryCatch(return(expr), name, parentenv, handler) :
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Warning in doTryCatch(return(expr), name, parentenv, handler) :
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Warning in doTryCatch(return(expr), name, parentenv, handler) :
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Warning in doTryCatch(return(expr), name, parentenv, handler) :
  no font could be found for family "Arial"
Warning in doTryCatch(return(expr), name, parentenv, handler) :
  no font could be found for family "Arial"
Warning in doTryCatch(return(expr), name, parentenv, handler) :
  no font could be found for family "Arial"
Warning in doTryCatch(return(expr), name, parentenv, handler) :
  no font could be found for family "Arial"
Warning in doTryCatch(return(expr), name, parentenv, handler) :
  no font could be found for family "Arial"
Warning in doTryCatch(return(expr), name, parentenv, handler) :
  no font could be found for family "Arial"
Warning in doTryCatch(return(expr), name, parentenv, handler) :
  no font could be found for family "Arial"
Warning in doTryCatch(return(expr), name, parentenv, handler) :
  no font could be found for family "Arial"
Warning in doTryCatch(return(expr), name, parentenv, handler) :
  no font could be found for family "Arial"
Warning in doTryCatch(return(expr), name, parentenv, handler) :
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Warning in doTryCatch(return(expr), name, parentenv, handler) :
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Warning in doTryCatch(return(expr), name, parentenv, handler) :
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Quitting from lines 524-527 (nifti_basics.Rmd) 
Error: processing vignette 'nifti_basics.Rmd' failed with diagnostics:
polygon edge not found
--- failed re-building ‘nifti_basics.Rmd’

--- re-building ‘simple_io.Rmd’ using rmarkdown
Warning in engine$weave(file, quiet = quiet, encoding = enc) :
  Pandoc (>= 1.12.3) not available. Falling back to R Markdown v1.
trying URL 'https://johnmuschelli.com/open_ms_data/cross_sectional/raw/patient01/T1W.nii.gz'
Content type 'application/gzip' length 21807043 bytes (20.8 MB)
========================================
downloaded 16.7 MB

Quitting from lines 31-37 (simple_io.Rmd) 
Error: processing vignette 'simple_io.Rmd' failed with diagnostics:
download from 'https://johnmuschelli.com/open_ms_data/cross_sectional/raw/patient01/T1W.nii.gz' failed
--- failed re-building ‘simple_io.Rmd’

SUMMARY: processing the following files failed:
  ‘nifti_basics.Rmd’ ‘simple_io.Rmd’

Error: Vignette re-building failed.
Execution halted