dynBiplot: no visible global function definition for 'read.csv'
dynBiplot : leer.csv: no visible global function definition for
  'read.csv'
dynBiplot : leer.txt: no visible global function definition for
  'read.table'
dynBiplot : leer.clipboard: no visible global function definition for
  'read.table'
dynBiplot : formato : row.erow: no visible global function definition
  for 'fix'
dynBiplot : formato : row.ecol: no visible global function definition
  for 'fix'
dynBiplot : run.biplot: no visible binding for global variable 'sd'
dynBiplot : run.biplot: no visible global function definition for 'sd'
dynBiplot : tray : lmp: no visible global function definition for 'pf'
dynBiplot : tray : <anonymous>: no visible global function definition
  for 'lm'
dynBiplot : tray : <anonymous>: no visible global function definition
  for 'summary.lm'
dynBiplot : ShowRes: no visible global function definition for
  'write.table'
dynBiplot : ayuda: no visible global function definition for 'help'
dynBiplot : Flechas: no visible global function definition for 'arrows'
dynBiplot : Texto: no visible global function definition for 'text'
dynBiplot : Puntos: no visible global function definition for 'points'
dynBiplot : Trayect: no visible global function definition for 'lines'
dynBiplot : Textot: no visible global function definition for 'text'
dynBiplot : plotBiplot1: no visible global function definition for
  'par'
dynBiplot : plotBiplot1: no visible global function definition for
  'plot'
dynBiplot : plotBiplot1: no visible global function definition for
  'abline'
dynBiplot : plotBiplot1: no visible global function definition for
  'text'
dynBiplot : GuardaArchivo: no visible global function definition for
  'pdf'
dynBiplot : GuardaArchivo: no visible global function definition for
  'postscript'
dynBiplot : GuardaArchivo: no visible global function definition for
  'jpeg'
dynBiplot : GuardaArchivo: no visible global function definition for
  'svg'
dynBiplot : GuardaArchivo: no visible global function definition for
  'savePlot'
dynBiplot : GuardaArchivo: no visible global function definition for
  'png'
dynBiplot : GuardaArchivo: no visible global function definition for
  'dev.off'
Undefined global functions or variables:
  abline arrows dev.off fix help jpeg lines lm par pdf pf plot png
  points postscript read.csv read.table savePlot sd summary.lm svg text
  write.table
Consider adding
  importFrom("grDevices", "dev.off", "jpeg", "pdf", "png", "postscript",
             "savePlot", "svg")
  importFrom("graphics", "abline", "arrows", "lines", "par", "plot",
             "points", "text")
  importFrom("stats", "lm", "pf", "sd", "summary.lm")
  importFrom("utils", "fix", "help", "read.csv", "read.table",
             "write.table")
to your NAMESPACE file.