RweaveOdfRuncode: no visible global function definition for
  ‘RweaveChunkPrefix’
RweaveOdfRuncode: no visible global function definition for
  ‘SweaveHooks’
RweaveOdfRuncode: no visible global function definition for
  ‘RweaveTryStop’
RweaveOdfRuncode: no visible global function definition for
  ‘RweaveEvalWithOpt’
RweaveOdfRuncode: no visible global function definition for ‘dev.off’
announce: no visible global function definition for ‘flush.console’
canonicalDirPath: no visible global function definition for ‘file_test’
canonicalFilePath: no visible global function definition for
  ‘file_test’
debug: no visible global function definition for ‘flush.console’
figGen: no visible global function definition for ‘runif’
listString: no visible global function definition for ‘flush.console’
odfInsertPlot: no visible global function definition for ‘runif’
odfTable.character: no visible global function definition for ‘runif’
odfTable.data.frame: no visible global function definition for ‘runif’
odfTable.factor: no visible global function definition for ‘runif’
odfTable.matrix: no visible global function definition for ‘runif’
odfTable.numeric: no visible global function definition for ‘runif’
odfTmpDir: no visible global function definition for ‘runif’
odfWeave: no visible global function definition for ‘Sweave’
pkgVersions: no visible binding for global variable
  ‘packageDescription’
setImageDefs: no visible global function definition for ‘flush.console’
withCaptionXML: no visible global function definition for ‘runif’
Undefined global functions or variables:
  RweaveChunkPrefix RweaveEvalWithOpt RweaveTryStop Sweave SweaveHooks
  dev.off file_test flush.console packageDescription runif
Consider adding
  importFrom("grDevices", "dev.off")
  importFrom("stats", "runif")
  importFrom("utils", "RweaveChunkPrefix", "RweaveEvalWithOpt",
             "RweaveTryStop", "Sweave", "SweaveHooks", "file_test",
             "flush.console", "packageDescription")
to your NAMESPACE file.