print.tsum: warning in print.default(x$resid, digits = digits, na = "",
  print.gap = 2): partial argument match of ‘na’ to ‘na.print’
print.tsum: no visible global function definition for ‘quantile’
print.tsum: no visible global function definition for ‘printCoefmat’
print.tsum: no visible global function definition for ‘symnum’
tlm: no visible global function definition for ‘formula’
tlm: no visible binding for global variable ‘na.fail’
tlm: no visible global function definition for ‘model.matrix’
tlm: no visible global function definition for ‘model.extract’
tlm: no visible binding for global variable ‘response’
tlm: no visible global function definition for ‘lm.fit’
tlm: no visible global function definition for ‘coef’
tlm: no visible global function definition for ‘resid’
tlm: no visible global function definition for ‘Gamma’
tlm: no visible binding for global variable ‘dofse’
tlm: no visible binding for global variable ‘logLik’
tscore: no visible global function definition for ‘model.extract’
tscore: no visible binding for global variable ‘response’
tscore : <anonymous>: no visible global function definition for
  ‘model.matrix’
tscore: no visible global function definition for ‘resid’
tscore: no visible global function definition for ‘pchisq’
tscore: no visible global function definition for ‘printCoefmat’
tsum: no visible global function definition for ‘pnorm’
tsum: no visible global function definition for ‘pt’
tsum: no visible global function definition for ‘residuals’
Undefined global functions or variables:
  Gamma coef dofse formula lm.fit logLik model.extract model.matrix
  na.fail pchisq pnorm printCoefmat pt quantile resid residuals
  response symnum
Consider adding
  importFrom("stats", "Gamma", "coef", "formula", "lm.fit", "logLik",
             "model.extract", "model.matrix", "na.fail", "pchisq",
             "pnorm", "printCoefmat", "pt", "quantile", "resid",
             "residuals", "symnum")
to your NAMESPACE file.

Found the following assignments to the global environment:
File ‘hett/R/hett.R’:
  assign("data", data, envir = .GlobalEnv)