aaft: no visible global function definition for 'rnorm'
aaft: no visible global function definition for 'runif'
casecross: no visible global function definition for 'as.formula'
casecross: no visible global function definition for 'model.frame'
casecross: no visible binding for global variable 'na.omit'
ciPhase: no visible global function definition for 'quantile'
cipolygon: no visible global function definition for 'polygon'
cosinor: no visible global function definition for 'gaussian'
cosinor: no visible global function definition for 'as.formula'
cosinor: no visible global function definition for 'glm'
cosinor: no visible global function definition for 'residuals'
monthglm: no visible global function definition for 'gaussian'
monthglm: no visible global function definition for 'relevel'
monthglm: no visible global function definition for 'as.formula'
monthglm: no visible global function definition for 'glm'
monthglm: no visible global function definition for 'fitted'
monthglm: no visible global function definition for 'residuals'
nonlintest: no visible global function definition for 'quantile'
nonlintest: no visible global function definition for 'sd'
nonlintest: no visible global function definition for 'median'
nscosinor.initial: no visible global function definition for 'glm'
nscosinor.initial: no visible global function definition for 'fitted'
nscosinor.initial: no visible global function definition for 'sd'
nscosinor.initial: no visible global function definition for 'resid'
plot.Cosinor: no visible global function definition for 'par'
plot.Cosinor: no visible global function definition for 'as.formula'
plot.Cosinor: no visible global function definition for 'plot'
plot.Cosinor: no visible global function definition for 'axis'
plot.Cosinor: no visible global function definition for 'points'
plot.Cosinor: no visible global function definition for 'rug'
plot.Monthmean: no visible global function definition for 'par'
plot.Monthmean: no visible global function definition for 'plot'
plot.Monthmean: no visible global function definition for 'box'
plot.Monthmean: no visible global function definition for 'axis'
plot.monthglm: no visible global function definition for 'par'
plot.monthglm: no visible global function definition for 'qnorm'
plot.monthglm: no visible global function definition for 'plot'
plot.monthglm: no visible global function definition for 'lines'
plot.monthglm: no visible global function definition for 'axis'
plot.monthglm: no visible global function definition for 'points'
plot.nsCosinor: no visible binding for global variable 'time'
plotCircle: no visible global function definition for 'par'
plotCircle: no visible global function definition for 'gray'
plotCircle: no visible global function definition for 'plot'
plotCircle: no visible global function definition for 'polygon'
plotCircle: no visible global function definition for 'text'
plotCircular: no visible global function definition for 'par'
plotCircular: no visible global function definition for 'plot'
plotCircular: no visible global function definition for 'polygon'
plotCircular: no visible global function definition for 'text'
rinvgamma: no visible global function definition for 'rgamma'
seasrescheck: no visible global function definition for 'par'
seasrescheck: no visible global function definition for 'hist'
seasrescheck: no visible global function definition for 'plot'
seasrescheck: no visible global function definition for 'lines'
seasrescheck: no visible global function definition for 'acf'
seasrescheck: no visible global function definition for 'cpgram'
sinusoid: no visible global function definition for 'par'
sinusoid: no visible global function definition for 'plot'
sinusoid: no visible global function definition for 'lines'
sinusoid: no visible global function definition for 'axis'
summary.monthglm: no visible global function definition for 'qnorm'
wtest: no visible global function definition for 'qchisq'
wtest: no visible global function definition for 'pchisq'
Undefined global functions or variables:
  acf as.formula axis box cpgram fitted gaussian glm gray hist lines
  median model.frame na.omit par pchisq plot points polygon qchisq
  qnorm quantile relevel resid residuals rgamma rnorm rug runif sd text
  time
Consider adding
  importFrom("grDevices", "gray")
  importFrom("graphics", "axis", "box", "hist", "lines", "par", "plot",
             "points", "polygon", "rug", "text")
  importFrom("stats", "acf", "as.formula", "cpgram", "fitted",
             "gaussian", "glm", "median", "model.frame", "na.omit",
             "pchisq", "qchisq", "qnorm", "quantile", "relevel", "resid",
             "residuals", "rgamma", "rnorm", "runif", "sd", "time")
to your NAMESPACE file.