as.dataset: no visible global function definition for ‘terms’
as.dataset: no visible global function definition for ‘as.formula’
as.psychobench: no visible global function definition for ‘is’
as.psychobench: no visible global function definition for ‘reshape’
benchmark: no visible global function definition for ‘as.formula’
benchmark: no visible global function definition for ‘predict’
benchmark: no visible global function definition for ‘na.omit’
beplot0.AlgorithmPerformance : <anonymous>: no visible global function
  definition for ‘legend’
beplot0.matrix : <anonymous>: no visible global function definition for
  ‘legend’
beplot0.matrix : <anonymous>: no visible global function definition for
  ‘col2rgb’
beplot0.matrix : <anonymous>: no visible global function definition for
  ‘rgb’
beplot0.matrix: no visible global function definition for ‘par’
beplot0.matrix: no visible global function definition for ‘layout’
beplot0.matrix: no visible global function definition for ‘axis’
beplot0.matrix: no visible global function definition for ‘box’
beplot0.matrix: no visible global function definition for ‘abline’
beplot0.matrix : linesegments: no visible global function definition
  for ‘segments’
beplot0.matrix: no visible binding for global variable ‘points’
beplot0.matrix: no visible global function definition for ‘barplot’
boxplot.AlgorithmPerformance: no visible binding for global variable
  ‘median’
boxplot.AlgorithmPerformance: no visible binding for global variable
  ‘algorithms’
boxplot.AlgorithmPerformance: no visible binding for global variable
  ‘value’
boxplot.AlgorithmPerformance: no visible binding for global variable
  ‘samples’
bsgraph0.dist: no visible global function definition for ‘gray’
bsgraph0.dist: no visible global function definition for ‘new’
bsgraph0.dist: no visible global function definition for ‘addEdge’
bsgraph0.graphNEL: no visible global function definition for
  ‘getDefaultAttrs’
bsgraph0.graphNEL: no visible global function definition for ‘agopen’
bsgraph0.graphNEL: no visible global function definition for ‘par’
bsplot0.matrix: no visible global function definition for ‘axis’
bsplot0.matrix: no visible global function definition for ‘mtext’
bsplot0.matrix: no visible global function definition for ‘box’
bsplot0.matrix: no visible global function definition for ‘rect’
bsplot0.matrix : <anonymous>: no visible global function definition for
  ‘lines’
characterize: no visible global function definition for ‘is’
densityplot.AlgorithmPerformance: no visible binding for global
  variable ‘value’
densityplot.AlgorithmPerformance: no visible binding for global
  variable ‘algorithms’
fcc: no visible global function definition for ‘cancor’
frac1: no visible global function definition for ‘cancor’
mac : <anonymous>: no visible global function definition for ‘lm’
map.dataset: no visible global function definition for ‘is’
map.dataset : traverse.tree : <anonymous>: no visible global function
  definition for ‘is’
mi: no visible global function definition for ‘mi.plugin’
order.algorithms.by: no visible global function definition for
  ‘na.omit’
patch.relation_class_ids: no visible global function definition for
  ‘relation_is_strict_weak_order’
plot.DatasetCharacterization: no visible global function definition for
  ‘gray’
plot.DatasetCharacterization: no visible binding for global variable
  ‘characteristics’
plot.DatasetCharacterization: no visible binding for global variable
  ‘value’
plot.DatasetCharacterization: no visible binding for global variable
  ‘samples’
plot.DatasetCharacterization: no visible global function definition for
  ‘theme_text’
plot.TestResult: no visible binding for global variable ‘samples’
plot.TestResult: no visible binding for global variable ‘value’
reduce.mapped.dataset: no visible global function definition for ‘is’
reduce.mapped.dataset : traverse.tree : <anonymous>: no visible global
  function definition for ‘is’
stripchart.AlgorithmPerformance: no visible binding for global variable
  ‘median’
stripchart.AlgorithmPerformance: no visible binding for global variable
  ‘algorithms’
stripchart.AlgorithmPerformance: no visible binding for global variable
  ‘value’
stripchart.AlgorithmPerformance: no visible binding for global variable
  ‘samples’
Undefined global functions or variables:
  abline addEdge agopen algorithms as.formula axis barplot box cancor
  characteristics col2rgb getDefaultAttrs gray is layout legend lines
  lm median mi.plugin mtext na.omit new par points predict rect
  relation_is_strict_weak_order reshape rgb samples segments terms
  theme_text value
Consider adding
  importFrom("grDevices", "col2rgb", "gray", "rgb")
  importFrom("graphics", "abline", "axis", "barplot", "box", "layout",
             "legend", "lines", "mtext", "par", "points", "rect",
             "segments")
  importFrom("methods", "is", "new")
  importFrom("stats", "as.formula", "cancor", "lm", "median", "na.omit",
             "predict", "reshape", "terms")
to your NAMESPACE file (and ensure that your DESCRIPTION Imports field
contains 'methods').