crossValidation : <anonymous> : <anonymous>: no visible binding for
  global variable 'predict'
cvErrorVariance : <anonymous>: no visible global function definition
  for 'var'
internal.plotParetoFronts2D: no visible global function definition for
  'plot'
internal.plotParetoFronts2D: no visible global function definition for
  'abline'
internal.plotParetoFronts2D: no visible global function definition for
  'lines'
internal.plotParetoFronts2D: no visible global function definition for
  'text'
latinHypercube : <anonymous> : <anonymous>: no visible global function
  definition for 'runif'
mutate : <anonymous>: no visible global function definition for 'rnorm'
mutate : <anonymous>: no visible global function definition for 'runif'
plotDominationGraph: no visible global function definition for
  'graph.adjacency'
plotDominationGraph: no visible binding for global variable 'plot'
plotDominationGraph: no visible global function definition for
  'layout.norm'
plotDominationGraph: no visible global function definition for 'par'
plotDominationGraph: no visible global function definition for 'xinch'
plotDominationGraph: no visible global function definition for 'points'
plotDominationGraph: no visible global function definition for 'legend'
plotObjectivePairs: no visible global function definition for 'pairs'
predict.TuneParetoModel: no visible global function definition for
  'as.formula'
reclassification: no visible binding for global variable 'predict'
removeOverlaps: no visible global function definition for 'par'
removeOverlaps: no visible global function definition for 'strheight'
removeOverlaps: no visible global function definition for 'strwidth'
sampleCombinations: no visible global function definition for 'runif'
sampleCombinations: no visible global function definition for
  'qrng_alloc'
sampleCombinations: no visible global function definition for
  'qrng_get'
trainTuneParetoClassifier: no visible global function definition for
  'as.formula'
tunePareto: no visible global function definition for 'sfLibrary'
tunePareto : <anonymous>: no visible global function definition for
  'sfLibrary'
tunePareto: no visible global function definition for 'runif'
tunePareto : calculateObjectiveVals: no visible global function
  definition for 'runif'
tunePareto : <anonymous>: no visible global function definition for
  'runif'
tunePareto: no visible global function definition for 'sfExport'
tunePareto: no visible global function definition for 'sfLapply'
tunePareto.NaiveBayes: no visible binding for global variable
  'NaiveBayes'
tunePareto.NaiveBayes : <anonymous>: no visible global function
  definition for 'predict'
Undefined global functions or variables:
  NaiveBayes abline as.formula graph.adjacency layout.norm legend lines
  pairs par plot points predict qrng_alloc qrng_get rnorm runif
  sfExport sfLapply sfLibrary strheight strwidth text var xinch
Consider adding
  importFrom("graphics", "abline", "legend", "lines", "pairs", "par",
             "plot", "points", "strheight", "strwidth", "text", "xinch")
  importFrom("stats", "as.formula", "predict", "rnorm", "runif", "var")
to your NAMESPACE file.