calc.foldrange: no visible global function definition for 'qt'
calc.foldrange: no visible global function definition for 'qnorm'
equiv.ab: no visible global function definition for 'approx'
equiv.increase: no visible global function definition for 'approx'
hbpp.integrate1: no visible global function definition for 'pnorm'
hbpp.integrate2 : hb.y: no visible global function definition for
  'integrate'
hbpp.integrate2: no visible global function definition for 'integrate'
hbpp.integrate3 : hb.z : hb.yZ: no visible global function definition
  for 'integrate'
hbpp.integrate3 : hb.z: no visible global function definition for
  'integrate'
hbpp.integrate3: no visible global function definition for 'integrate'
hbpp.simulate: no visible global function definition for 'rnorm'
hbrr.integrate1 : hb.x: no visible global function definition for
  'dnorm'
hbrr.integrate1: no visible global function definition for 'integrate'
hbrr.integrate2 : hb.y: no visible global function definition for
  'integrate'
hbrr.integrate2: no visible global function definition for 'integrate'
hbrr.integrate2.rhoeq1 : hb.x: no visible global function definition
  for 'dnorm'
hbrr.integrate2.rhoeq1: no visible global function definition for
  'integrate'
hbrr.integrate3 : hb.z : hb.yZ: no visible global function definition
  for 'integrate'
hbrr.integrate3 : hb.z: no visible global function definition for
  'integrate'
hbrr.integrate3: no visible global function definition for 'integrate'
hbrr.integrate3.rhoeq1 : hb.x: no visible global function definition
  for 'dnorm'
hbrr.integrate3.rhoeq1: no visible global function definition for
  'integrate'
hbrr.simulate: no visible global function definition for 'rnorm'
plotlogm.resp: no visible global function definition for 'plot'
plotlogm.resp: no visible global function definition for 'axis'
plotlogm.resp: no visible global function definition for 'box'
plotlogm.resp: no visible global function definition for 'lines'
plotresp.equiv: no visible global function definition for 'plot'
plotresp.equiv : doline: no visible global function definition for
  'lines'
plotresp.mix: no visible global function definition for 'plot'
plotresp.mix : doline: no visible global function definition for
  'lines'
plotresp.mix: no visible global function definition for 'lines'
Undefined global functions or variables:
  approx axis box dnorm integrate lines plot pnorm qnorm qt rnorm
Consider adding
  importFrom("graphics", "axis", "box", "lines", "plot")
  importFrom("stats", "approx", "dnorm", "integrate", "pnorm", "qnorm",
             "qt", "rnorm")
to your NAMESPACE file.