crm: no visible global function definition for ‘optimize’
crm: no visible global function definition for ‘integrate’
crm: no visible global function definition for ‘qnorm’
mtite: no visible global function definition for ‘rexp’
mtite: no visible global function definition for ‘rbinom’
mtite: no visible global function definition for ‘runif’
mtrials: no visible global function definition for ‘rbinom’
myjitter: no visible global function definition for ‘runif’
nopt: no visible global function definition for ‘qnorm’
nopt: no visible global function definition for ‘pnorm’
onetite: no visible global function definition for ‘rexp’
onetite: no visible global function definition for ‘rbinom’
onetite: no visible global function definition for ‘runif’
onetrial: no visible global function definition for ‘rbinom’
plot.mtd: no visible global function definition for ‘menu’
plot.mtd: no visible global function definition for ‘par’
plot.mtd: no visible global function definition for ‘plot’
plot.mtd: no visible global function definition for ‘points’
plot.mtd: no visible global function definition for ‘lines’
plot.mtd: no visible global function definition for ‘abline’
plot.mtd: no visible global function definition for ‘legend’
plot.mtd: no visible global function definition for ‘locator’
plot.mtd: no visible global function definition for ‘mtext’
plot.mtd: no visible global function definition for ‘text’
plot.sim: no visible global function definition for ‘menu’
plot.sim: no visible global function definition for ‘par’
plot.sim: no visible global function definition for ‘plot’
plot.sim: no visible global function definition for ‘points’
plot.sim: no visible global function definition for ‘lines’
plot.sim: no visible global function definition for ‘abline’
plot.sim: no visible global function definition for ‘legend’
plot.sim: no visible global function definition for ‘locator’
plot.sim: no visible global function definition for ‘mtext’
plot.sim: no visible global function definition for ‘text’
plot.sim: no visible global function definition for ‘hist’
plot.sim: no visible global function definition for ‘quantile’
plot.sim: no visible global function definition for ‘median’
titecrm: no visible global function definition for ‘optimize’
titecrm: no visible global function definition for ‘integrate’
titecrm: no visible global function definition for ‘qnorm’
Undefined global functions or variables:
  abline hist integrate legend lines locator median menu mtext optimize
  par plot pnorm points qnorm quantile rbinom rexp runif text
Consider adding
  importFrom("graphics", "abline", "hist", "legend", "lines", "locator",
             "mtext", "par", "plot", "points", "text")
  importFrom("stats", "integrate", "median", "optimize", "pnorm",
             "qnorm", "quantile", "rbinom", "rexp", "runif")
  importFrom("utils", "menu")
to your NAMESPACE file.