EO: no visible global function definition for 'qnorm'
LRT: no visible global function definition for 'pchisq'
LRT.blm: no visible global function definition for 'terms'
LRT.blm: no visible global function definition for 'update'
LRT.lexpit: no visible global function definition for 'terms'
LRT.lexpit: no visible global function definition for 'update'
LRT.lexpit: no visible global function definition for 'glm'
blm: no visible binding for global variable 'na.omit'
blm: no visible global function definition for 'model.frame'
blm: no visible global function definition for 'model.matrix'
blm: no visible global function definition for 'terms'
blm.cohort: no visible binding for global variable 'na.omit'
blm.cohort : blm.cohort.optim: no visible global function definition
  for 'constrOptim'
blm.cohort: no visible global function definition for 'model.frame'
blm.cohort: no visible global function definition for 'model.matrix'
blm.leverage: no visible global function definition for 'model.matrix'
blm.optim: no visible global function definition for 'constrOptim'
crude.risk: no visible binding for global variable 'na.omit'
crude.risk : risk: no visible global function definition for 'quantile'
crude.risk : covariate: no visible global function definition for
  'quantile'
gof: no visible global function definition for 'quantile'
gof: no visible global function definition for 'pchisq'
gof: no visible global function definition for 'pf'
gof.pearson: no visible global function definition for 'model.matrix'
gof.pearson: no visible global function definition for 'pchisq'
influence.blm: no visible global function definition for 'binomial'
influence.blm: no visible global function definition for 'make.link'
influence.blm: no visible global function definition for 'lm.influence'
influence.lexpit: no visible global function definition for
  'lm.influence'
lexpit: no visible binding for global variable 'na.omit'
lexpit: no visible global function definition for 'model.frame'
lexpit: no visible global function definition for 'model.matrix'
lexpit: no visible global function definition for 'terms'
lexpit: no visible binding for global variable 'glm'
lexpit.leverage: no visible global function definition for
  'model.matrix'
predict.se.blm: no visible global function definition for
  'model.matrix'
predict.se.blm: no visible global function definition for 'update'
predict.se.blm: no visible global function definition for 'terms'
risk.exposure.plot: no visible global function definition for
  'scatter.smooth'
stage1.optim: no visible global function definition for 'constrOptim'
stage2.optim: no visible global function definition for 'nlm'
tapply.risk: no visible global function definition for 'model.frame'
vcov.blm.big: no visible global function definition for 'binomial'
vcov.blm.big: no visible global function definition for 'make.link'
vcov.lexpit.big: no visible global function definition for 'binomial'
vcov.lexpit.big: no visible global function definition for 'make.link'
which.at.boundary: no visible global function definition for
  'model.matrix'
confint,blm: no visible global function definition for 'qnorm'
confint,lexpit: no visible global function definition for 'qnorm'
predict,blm: no visible global function definition for 'model.matrix'
predict,blm: no visible global function definition for 'update'
predict,blm: no visible global function definition for 'terms'
predict,lexpit: no visible global function definition for
  'model.matrix'
predict,lexpit: no visible global function definition for 'update'
predict,lexpit: no visible global function definition for 'terms'
summary,blm : <anonymous>: no visible global function definition for
  'pt'
summary,blm: no visible global function definition for 'printCoefmat'
summary,lexpit : <anonymous>: no visible global function definition for
  'pt'
summary,lexpit: no visible global function definition for
  'printCoefmat'
Undefined global functions or variables:
  binomial constrOptim glm lm.influence make.link model.frame
  model.matrix na.omit nlm pchisq pf printCoefmat pt qnorm quantile
  scatter.smooth terms update
Consider adding
  importFrom("stats", "binomial", "constrOptim", "glm", "lm.influence",
             "make.link", "model.frame", "model.matrix", "na.omit",
             "nlm", "pchisq", "pf", "printCoefmat", "pt", "qnorm",
             "quantile", "scatter.smooth", "terms", "update")
to your NAMESPACE file.