glmdm: no visible binding for global variable ‘gaussian’
glmdm: no visible global function definition for ‘model.frame’
glmdm: no visible global function definition for ‘model.matrix’
glmdm: no visible global function definition for ‘model.response’
glmdmEST: no visible binding for global variable ‘gaussian’
glmdmEST : rdirichlet: no visible global function definition for
  ‘rgamma’
glmdmEST : rinvgamma: no visible global function definition for
  ‘rgamma’
glmdmEST : rmvnorm: no visible global function definition for ‘rnorm’
glmdmEST : rtnorm: no visible global function definition for ‘rnorm’
glmdmEST : rtnorm: no visible global function definition for ‘rexp’
glmdmEST : rtnorm: no visible global function definition for ‘runif’
glmdmEST: no visible global function definition for ‘glm’
glmdmEST: no visible global function definition for ‘coefficients’
glmdmEST: no visible global function definition for ‘rnorm’
glmdmEST : like: no visible global function definition for ‘dgamma’
glmdmEST : loglike: no visible global function definition for ‘dgamma’
glmdmEST : loglike.s: no visible global function definition for
  ‘dgamma’
glmdmEST: no visible global function definition for ‘dnorm’
glmdmEST: no visible global function definition for ‘dmultinom’
glmdmEST: no visible global function definition for ‘runif’
glmdmEST: no visible global function definition for ‘optim’
glmdmEST: no visible global function definition for ‘rgamma’
glmdmEST: no visible binding for global variable ‘sd’
glmdmEST: no visible global function definition for ‘pnorm’
glmdmEST: no visible global function definition for ‘dgamma’
glmdmEST: no visible global function definition for ‘sd’
glmdmEST: no visible binding for global variable ‘formula’
glmdmEST : graph.summary: no visible global function definition for
  ‘qnorm’
glmdmEST : graph.summary: no visible global function definition for
  ‘pf’
Undefined global functions or variables:
  coefficients dgamma dmultinom dnorm formula gaussian glm model.frame
  model.matrix model.response optim pf pnorm qnorm rexp rgamma rnorm
  runif sd
Consider adding
  importFrom("stats", "coefficients", "dgamma", "dmultinom", "dnorm",
             "formula", "gaussian", "glm", "model.frame", "model.matrix",
             "model.response", "optim", "pf", "pnorm", "qnorm", "rexp",
             "rgamma", "rnorm", "runif", "sd")
to your NAMESPACE file.