SCAD: no visible global function definition for ‘model.matrix’
abc: no visible binding for global variable ‘gaussian’
abc: no visible global function definition for ‘glm.fit’
abcfit: no visible global function definition for ‘glm.fit’
check.simulation: no visible global function definition for ‘is’
cv.vectors : evalcv: no visible global function definition for
  ‘glm.fit’
cv.vectors : evalcv.: no visible global function definition for
  ‘glm.fit’
cv.vectors: no visible global function definition for ‘sd’
design: no visible global function definition for ‘model.frame’
design: no visible global function definition for ‘terms’
design: no visible global function definition for ‘model.matrix’
elastic: no visible global function definition for ‘model.matrix’
grouped: no visible global function definition for ‘model.matrix’
grouped.fused: no visible global function definition for ‘model.matrix’
grouped.fused: no visible binding for global variable ‘na.pass’
gvcm.cat: no visible binding for global variable ‘gaussian’
gvcm.cat: no visible global function definition for ‘Gamma’
gvcm.cat: no visible global function definition for ‘na.omit’
gvcm.cat: no visible global function definition for ‘model.extract’
gvcm.cat: no visible global function definition for ‘.getXlevels’
gvcm.cat.flex: no visible global function definition for ‘gaussian’
gvcm.cat.flex: no visible global function definition for ‘as.formula’
gvcm.cat.flex: no visible binding for global variable ‘na.omit’
gvcmcatfit: no visible binding for global variable ‘effects’
index: no visible global function definition for ‘model.matrix’
index: no visible global function definition for ‘model.frame’
p: no visible global function definition for ‘model.matrix’
pest: no visible binding for global variable ‘gaussian’
pest: no visible global function definition for ‘glm.fit’
plot.gvcm.cat: no visible global function definition for ‘is’
plot.gvcm.cat: no visible global function definition for ‘gray’
plot.gvcm.cat: no visible global function definition for ‘terms’
plot.gvcm.cat: no visible global function definition for ‘par’
plot.gvcm.cat: no visible global function definition for ‘matplot’
plot.gvcm.cat: no visible global function definition for ‘legend’
plot.gvcm.cat: no visible global function definition for ‘matlines’
plot.gvcm.cat: no visible global function definition for ‘box’
plot.gvcm.cat: no visible global function definition for ‘axis’
plot.gvcm.cat : plotstair: no visible global function definition for
  ‘gray’
plot.gvcm.cat : plotstair: no visible global function definition for
  ‘matlines’
plot.gvcm.cat : plotstair: no visible global function definition for
  ‘box’
plot.gvcm.cat : plotstair: no visible global function definition for
  ‘axis’
plot.gvcm.cat : plotstair: no visible global function definition for
  ‘legend’
plot.gvcm.cat : plotstair.: no visible global function definition for
  ‘gray’
plot.gvcm.cat : plotstair.: no visible global function definition for
  ‘matlines’
plot.gvcm.cat : plotstair.: no visible global function definition for
  ‘box’
plot.gvcm.cat : plotstair.: no visible global function definition for
  ‘axis’
plot.gvcm.cat : plotstair.: no visible global function definition for
  ‘legend’
plot.gvcm.cat : plotlines: no visible global function definition for
  ‘gray’
plot.gvcm.cat : plotlines: no visible global function definition for
  ‘abline’
plot.gvcm.cat : plotlines: no visible global function definition for
  ‘legend’
plot.gvcm.cat : plotsp: no visible global function definition for
  ‘gray’
plot.gvcm.cat : plotsp: no visible global function definition for
  ‘abline’
plot.gvcm.cat : plotsp: no visible global function definition for
  ‘lines’
plot.gvcm.cat : plotsp: no visible global function definition for
  ‘legend’
plot.gvcm.cat : plotvspline: no visible global function definition for
  ‘gray’
plot.gvcm.cat : plotvspline: no visible global function definition for
  ‘abline’
plot.gvcm.cat : plotvspline: no visible global function definition for
  ‘lines’
plot.gvcm.cat : plotvspline: no visible global function definition for
  ‘legend’
plot.gvcm.cat: no visible global function definition for ‘model.frame’
plot.gvcm.cat: no visible global function definition for
  ‘model.extract’
predict.gvcm.cat: no visible global function definition for ‘is’
predict.gvcm.cat: no visible global function definition for ‘na.omit’
predict.gvcm.cat: no visible global function definition for
  ‘model.extract’
simulation: no visible global function definition for ‘rpois’
simulation: no visible global function definition for ‘rnorm’
simulation: no visible global function definition for ‘Gamma’
simulation: no visible global function definition for ‘rmultinom’
simulation: no visible global function definition for ‘rbinom’
simulation: no visible global function definition for ‘rgamma’
summary.gvcm.cat: no visible global function definition for ‘is’
v: no visible global function definition for ‘model.matrix’
v: no visible binding for global variable ‘na.pass’
vspline: no visible binding for global variable ‘na.pass’
vspline: no visible global function definition for ‘model.matrix’
Undefined global functions or variables:
  .getXlevels Gamma abline as.formula axis box effects gaussian glm.fit
  gray is legend lines matlines matplot model.extract model.frame
  model.matrix na.omit na.pass par rbinom rgamma rmultinom rnorm rpois
  sd terms
Consider adding
  importFrom("grDevices", "gray")
  importFrom("graphics", "abline", "axis", "box", "legend", "lines",
             "matlines", "matplot", "par")
  importFrom("methods", "is")
  importFrom("stats", ".getXlevels", "Gamma", "as.formula", "effects",
             "gaussian", "glm.fit", "model.extract", "model.frame",
             "model.matrix", "na.omit", "na.pass", "rbinom", "rgamma",
             "rmultinom", "rnorm", "rpois", "sd", "terms")
to your NAMESPACE file (and ensure that your DESCRIPTION Imports field
contains 'methods').