draw.pcaBootPlot: no visible global function definition for 'grid'
draw.pcaBootPlot: no visible global function definition for 'points'
draw.pcaBootPlot: no visible global function definition for 'symbols'
draw.pcaBootPlot: no visible global function definition for 'legend'
pcaBootPlot: no visible global function definition for 'prcomp'
pcaBootPlot: no visible global function definition for 'cor'
pcaBootPlot: no visible global function definition for 'quantile'
pcaBootPlot: no visible global function definition for 'pdf'
pcaBootPlot: no visible global function definition for 'dev.off'
Undefined global functions or variables:
  cor dev.off grid legend pdf points prcomp quantile symbols
Consider adding
  importFrom("grDevices", "dev.off", "pdf")
  importFrom("graphics", "grid", "legend", "points", "symbols")
  importFrom("stats", "cor", "prcomp", "quantile")
to your NAMESPACE file.
'LazyData' is specified without a 'data' directory
draw.pcaBootPlot: no visible global function definition for ‘grid’
draw.pcaBootPlot: no visible global function definition for ‘points’
draw.pcaBootPlot: no visible global function definition for ‘symbols’
draw.pcaBootPlot: no visible global function definition for ‘legend’
pcaBootPlot: no visible global function definition for ‘prcomp’
pcaBootPlot: no visible global function definition for ‘cor’
pcaBootPlot: no visible global function definition for ‘quantile’
pcaBootPlot: no visible global function definition for ‘pdf’
pcaBootPlot: no visible global function definition for ‘dev.off’
Undefined global functions or variables:
  cor dev.off grid legend pdf points prcomp quantile symbols
Consider adding
  importFrom("grDevices", "dev.off", "pdf")
  importFrom("graphics", "grid", "legend", "points", "symbols")
  importFrom("stats", "cor", "prcomp", "quantile")
to your NAMESPACE file.
'LazyData' is specified without a 'data' directory
draw.pcaBootPlot: no visible global function definition for ‘grid’
draw.pcaBootPlot: no visible global function definition for ‘points’
draw.pcaBootPlot: no visible global function definition for ‘symbols’
draw.pcaBootPlot: no visible global function definition for ‘legend’
pcaBootPlot: no visible global function definition for ‘prcomp’
pcaBootPlot: no visible global function definition for ‘cor’
pcaBootPlot: no visible global function definition for ‘quantile’
pcaBootPlot: no visible global function definition for ‘pdf’
pcaBootPlot: no visible global function definition for ‘dev.off’
Undefined global functions or variables:
  cor dev.off grid legend pdf points prcomp quantile symbols
Consider adding
  importFrom("grDevices", "dev.off", "pdf")
  importFrom("graphics", "grid", "legend", "points", "symbols")
  importFrom("stats", "cor", "prcomp", "quantile")
to your NAMESPACE file.
'LazyData' is specified without a 'data' directory
draw.pcaBootPlot: no visible global function definition for ‘grid’
draw.pcaBootPlot: no visible global function definition for ‘points’
draw.pcaBootPlot: no visible global function definition for ‘symbols’
draw.pcaBootPlot: no visible global function definition for ‘legend’
pcaBootPlot: no visible global function definition for ‘prcomp’
pcaBootPlot: no visible global function definition for ‘cor’
pcaBootPlot: no visible global function definition for ‘quantile’
pcaBootPlot: no visible global function definition for ‘pdf’
pcaBootPlot: no visible global function definition for ‘dev.off’
Undefined global functions or variables:
  cor dev.off grid legend pdf points prcomp quantile symbols
Consider adding
  importFrom("grDevices", "dev.off", "pdf")
  importFrom("graphics", "grid", "legend", "points", "symbols")
  importFrom("stats", "cor", "prcomp", "quantile")
to your NAMESPACE file.
'LazyData' is specified without a 'data' directory
draw.pcaBootPlot: no visible global function definition for 'grid'
draw.pcaBootPlot: no visible global function definition for 'points'
draw.pcaBootPlot: no visible global function definition for 'symbols'
draw.pcaBootPlot: no visible global function definition for 'legend'
pcaBootPlot: no visible global function definition for 'prcomp'
pcaBootPlot: no visible global function definition for 'cor'
pcaBootPlot: no visible global function definition for 'quantile'
pcaBootPlot: no visible global function definition for 'pdf'
pcaBootPlot: no visible global function definition for 'dev.off'
Undefined global functions or variables:
  cor dev.off grid legend pdf points prcomp quantile symbols
Consider adding
  importFrom("grDevices", "dev.off", "pdf")
  importFrom("graphics", "grid", "legend", "points", "symbols")
  importFrom("stats", "cor", "prcomp", "quantile")
to your NAMESPACE file.
'LazyData' is specified without a 'data' directory
draw.pcaBootPlot: no visible global function definition for ‘grid’
draw.pcaBootPlot: no visible global function definition for ‘points’
draw.pcaBootPlot: no visible global function definition for ‘symbols’
draw.pcaBootPlot: no visible global function definition for ‘legend’
pcaBootPlot: no visible global function definition for ‘prcomp’
pcaBootPlot: no visible global function definition for ‘cor’
pcaBootPlot: no visible global function definition for ‘quantile’
pcaBootPlot: no visible global function definition for ‘pdf’
pcaBootPlot: no visible global function definition for ‘dev.off’
Undefined global functions or variables:
  cor dev.off grid legend pdf points prcomp quantile symbols
Consider adding
  importFrom("grDevices", "dev.off", "pdf")
  importFrom("graphics", "grid", "legend", "points", "symbols")
  importFrom("stats", "cor", "prcomp", "quantile")
to your NAMESPACE file.
'LazyData' is specified without a 'data' directory
draw.pcaBootPlot: no visible global function definition for ‘grid’
draw.pcaBootPlot: no visible global function definition for ‘points’
draw.pcaBootPlot: no visible global function definition for ‘symbols’
draw.pcaBootPlot: no visible global function definition for ‘legend’
pcaBootPlot: no visible global function definition for ‘prcomp’
pcaBootPlot: no visible global function definition for ‘cor’
pcaBootPlot: no visible global function definition for ‘quantile’
pcaBootPlot: no visible global function definition for ‘pdf’
pcaBootPlot: no visible global function definition for ‘dev.off’
Undefined global functions or variables:
  cor dev.off grid legend pdf points prcomp quantile symbols
Consider adding
  importFrom("grDevices", "dev.off", "pdf")
  importFrom("graphics", "grid", "legend", "points", "symbols")
  importFrom("stats", "cor", "prcomp", "quantile")
to your NAMESPACE file.
'LazyData' is specified without a 'data' directory
draw.pcaBootPlot: no visible global function definition for ‘grid’
draw.pcaBootPlot: no visible global function definition for ‘points’
draw.pcaBootPlot: no visible global function definition for ‘symbols’
draw.pcaBootPlot: no visible global function definition for ‘legend’
pcaBootPlot: no visible global function definition for ‘prcomp’
pcaBootPlot: no visible global function definition for ‘cor’
pcaBootPlot: no visible global function definition for ‘quantile’
pcaBootPlot: no visible global function definition for ‘pdf’
pcaBootPlot: no visible global function definition for ‘dev.off’
Undefined global functions or variables:
  cor dev.off grid legend pdf points prcomp quantile symbols
Consider adding
  importFrom("grDevices", "dev.off", "pdf")
  importFrom("graphics", "grid", "legend", "points", "symbols")
  importFrom("stats", "cor", "prcomp", "quantile")
to your NAMESPACE file.
'LazyData' is specified without a 'data' directory
draw.pcaBootPlot: no visible global function definition for ‘grid’
draw.pcaBootPlot: no visible global function definition for ‘points’
draw.pcaBootPlot: no visible global function definition for ‘symbols’
draw.pcaBootPlot: no visible global function definition for ‘legend’
pcaBootPlot: no visible global function definition for ‘prcomp’
pcaBootPlot: no visible global function definition for ‘cor’
pcaBootPlot: no visible global function definition for ‘quantile’
pcaBootPlot: no visible global function definition for ‘pdf’
pcaBootPlot: no visible global function definition for ‘dev.off’
Undefined global functions or variables:
  cor dev.off grid legend pdf points prcomp quantile symbols
Consider adding
  importFrom("grDevices", "dev.off", "pdf")
  importFrom("graphics", "grid", "legend", "points", "symbols")
  importFrom("stats", "cor", "prcomp", "quantile")
to your NAMESPACE file.
'LazyData' is specified without a 'data' directory
draw.pcaBootPlot: no visible global function definition for 'grid'
draw.pcaBootPlot: no visible global function definition for 'points'
draw.pcaBootPlot: no visible global function definition for 'symbols'
draw.pcaBootPlot: no visible global function definition for 'legend'
pcaBootPlot: no visible global function definition for 'prcomp'
pcaBootPlot: no visible global function definition for 'cor'
pcaBootPlot: no visible global function definition for 'quantile'
pcaBootPlot: no visible global function definition for 'pdf'
pcaBootPlot: no visible global function definition for 'dev.off'
Undefined global functions or variables:
  cor dev.off grid legend pdf points prcomp quantile symbols
Consider adding
  importFrom("grDevices", "dev.off", "pdf")
  importFrom("graphics", "grid", "legend", "points", "symbols")
  importFrom("stats", "cor", "prcomp", "quantile")
to your NAMESPACE file.
'LazyData' is specified without a 'data' directory
draw.pcaBootPlot: no visible global function definition for ‘grid’
draw.pcaBootPlot: no visible global function definition for ‘points’
draw.pcaBootPlot: no visible global function definition for ‘symbols’
draw.pcaBootPlot: no visible global function definition for ‘legend’
pcaBootPlot: no visible global function definition for ‘prcomp’
pcaBootPlot: no visible global function definition for ‘cor’
pcaBootPlot: no visible global function definition for ‘quantile’
pcaBootPlot: no visible global function definition for ‘pdf’
pcaBootPlot: no visible global function definition for ‘dev.off’
Undefined global functions or variables:
  cor dev.off grid legend pdf points prcomp quantile symbols
Consider adding
  importFrom("grDevices", "dev.off", "pdf")
  importFrom("graphics", "grid", "legend", "points", "symbols")
  importFrom("stats", "cor", "prcomp", "quantile")
to your NAMESPACE file.
'LazyData' is specified without a 'data' directory
draw.pcaBootPlot: no visible global function definition for ‘grid’
draw.pcaBootPlot: no visible global function definition for ‘points’
draw.pcaBootPlot: no visible global function definition for ‘symbols’
draw.pcaBootPlot: no visible global function definition for ‘legend’
pcaBootPlot: no visible global function definition for ‘prcomp’
pcaBootPlot: no visible global function definition for ‘cor’
pcaBootPlot: no visible global function definition for ‘quantile’
pcaBootPlot: no visible global function definition for ‘pdf’
pcaBootPlot: no visible global function definition for ‘dev.off’
Undefined global functions or variables:
  cor dev.off grid legend pdf points prcomp quantile symbols
Consider adding
  importFrom("grDevices", "dev.off", "pdf")
  importFrom("graphics", "grid", "legend", "points", "symbols")
  importFrom("stats", "cor", "prcomp", "quantile")
to your NAMESPACE file.
'LazyData' is specified without a 'data' directory
draw.pcaBootPlot: no visible global function definition for 'grid'
draw.pcaBootPlot: no visible global function definition for 'points'
draw.pcaBootPlot: no visible global function definition for 'symbols'
draw.pcaBootPlot: no visible global function definition for 'legend'
pcaBootPlot: no visible global function definition for 'prcomp'
pcaBootPlot: no visible global function definition for 'cor'
pcaBootPlot: no visible global function definition for 'quantile'
pcaBootPlot: no visible global function definition for 'pdf'
pcaBootPlot: no visible global function definition for 'dev.off'
Undefined global functions or variables:
  cor dev.off grid legend pdf points prcomp quantile symbols
Consider adding
  importFrom("grDevices", "dev.off", "pdf")
  importFrom("graphics", "grid", "legend", "points", "symbols")
  importFrom("stats", "cor", "prcomp", "quantile")
to your NAMESPACE file.
'LazyData' is specified without a 'data' directory