analyze.sod2: no visible global function definition for 'par'
analyze.sod2: no visible global function definition for 'hist'
analyze.sod2: no visible global function definition for 'lines'
calculate.ci.EXPLN: no visible global function definition for 'qnorm'
calculate.ci.LNLN: no visible global function definition for 'qnorm'
calculate.ci.rLNLN: no visible global function definition for 'qnorm'
d.sum.of.exp.types: no visible global function definition for 'dgamma'
d.sum.of.lognormals: no visible global function definition for 'dlnorm'
d.sum.of.mixtures.EXPLN: no visible global function definition for
  'dmultinom'
d.sum.of.mixtures.LNLN: no visible global function definition for
  'dmultinom'
d.sum.of.mixtures.rLNLN: no visible global function definition for
  'dmultinom'
draw.parameters.EXPLN: no visible global function definition for
  'runif'
draw.parameters.LNLN: no visible global function definition for 'runif'
draw.parameters.rLNLN: no visible global function definition for
  'runif'
generate.toydata: no visible global function definition for 'hist'
generate.toydata: no visible global function definition for 'lines'
generate.toydata: no visible global function definition for 'legend'
get.range.EXPLN: no visible binding for global variable 'sd'
get.range.LNLN: no visible binding for global variable 'sd'
get.range.rLNLN: no visible binding for global variable 'sd'
lognormal.exp.convolution: no visible global function definition for
  'integrate'
penalty.constraint.EXPLN: no visible global function definition for
  'dlnorm'
penalty.constraint.LNLN: no visible global function definition for
  'dlnorm'
penalty.constraint.rLNLN: no visible global function definition for
  'dlnorm'
r.sum.of.mixtures.EXPLN: no visible global function definition for
  'rmultinom'
r.sum.of.mixtures.EXPLN: no visible global function definition for
  'rlnorm'
r.sum.of.mixtures.EXPLN: no visible global function definition for
  'rexp'
r.sum.of.mixtures.LNLN: no visible global function definition for
  'rmultinom'
r.sum.of.mixtures.LNLN: no visible global function definition for
  'rlnorm'
r.sum.of.mixtures.rLNLN: no visible global function definition for
  'rmultinom'
r.sum.of.mixtures.rLNLN: no visible global function definition for
  'rlnorm'
stochasticProfilingData: no visible global function definition for
  'runif'
stochasticProfilingData: no visible global function definition for
  'par'
stochasticProfilingData: no visible global function definition for
  'hist'
stochasticProfilingData: no visible global function definition for
  'lines'
stochasticProfilingData: no visible global function definition for
  'legend'
stochasticProfilingData: no visible global function definition for
  'write.table'
stochasticProfilingML: no visible global function definition for
  'read.table'
stochasticProfilingML: no visible global function definition for 'head'
stochprof.loop: no visible global function definition for 'head'
stochprof.results.EXPLN: no visible global function definition for
  'par'
stochprof.results.EXPLN: no visible global function definition for
  'pdf'
stochprof.results.EXPLN: no visible global function definition for
  'plot'
stochprof.results.EXPLN: no visible global function definition for
  'abline'
stochprof.results.EXPLN: no visible global function definition for
  'dev.off'
stochprof.results.LNLN: no visible global function definition for 'par'
stochprof.results.LNLN: no visible global function definition for 'pdf'
stochprof.results.LNLN: no visible global function definition for
  'plot'
stochprof.results.LNLN: no visible global function definition for
  'abline'
stochprof.results.LNLN: no visible global function definition for
  'dev.off'
stochprof.results.rLNLN: no visible global function definition for
  'par'
stochprof.results.rLNLN: no visible global function definition for
  'pdf'
stochprof.results.rLNLN: no visible global function definition for
  'plot'
stochprof.results.rLNLN: no visible global function definition for
  'abline'
stochprof.results.rLNLN: no visible global function definition for
  'dev.off'
stochprof.search.EXPLN: no visible global function definition for
  'optim'
stochprof.search.LNLN: no visible global function definition for
  'optim'
stochprof.search.rLNLN: no visible global function definition for
  'optim'
Undefined global functions or variables:
  abline dev.off dgamma dlnorm dmultinom head hist integrate legend
  lines optim par pdf plot qnorm read.table rexp rlnorm rmultinom runif
  sd write.table
Consider adding
  importFrom("grDevices", "dev.off", "pdf")
  importFrom("graphics", "abline", "hist", "legend", "lines", "par",
             "plot")
  importFrom("stats", "dgamma", "dlnorm", "dmultinom", "integrate",
             "optim", "qnorm", "rexp", "rlnorm", "rmultinom", "runif",
             "sd")
  importFrom("utils", "head", "read.table", "write.table")
to your NAMESPACE file.