chisq.out.test: no visible global function definition for ‘var’
chisq.out.test: no visible global function definition for
  ‘complete.cases’
chisq.out.test: no visible global function definition for ‘pchisq’
cochran.test: no visible global function definition for ‘terms’
cochran.test: no visible binding for global variable ‘var’
dixon.test: no visible global function definition for ‘complete.cases’
grubbs.test: no visible global function definition for ‘complete.cases’
grubbs.test: no visible global function definition for ‘sd’
grubbs.test: no visible global function definition for ‘var’
pcochran: no visible global function definition for ‘pf’
qcochran: no visible global function definition for ‘qf’
qgrubbs: no visible global function definition for ‘qt’
qgrubbs: no visible global function definition for ‘pt’
qgrubbs: no visible global function definition for ‘uniroot’
qtable: no visible global function definition for ‘lm’
qtable: no visible global function definition for ‘predict’
scores: no visible global function definition for ‘sd’
scores: no visible global function definition for ‘pnorm’
scores: no visible global function definition for ‘qnorm’
scores: no visible global function definition for ‘pt’
scores: no visible global function definition for ‘qt’
scores: no visible global function definition for ‘var’
scores: no visible global function definition for ‘pchisq’
scores: no visible global function definition for ‘qchisq’
scores: no visible global function definition for ‘quantile’
scores: no visible global function definition for ‘IQR’
scores: no visible global function definition for ‘median’
scores: no visible global function definition for ‘mad’
Undefined global functions or variables:
  IQR complete.cases lm mad median pchisq pf pnorm predict pt qchisq qf
  qnorm qt quantile sd terms uniroot var
Consider adding
  importFrom("stats", "IQR", "complete.cases", "lm", "mad", "median",
             "pchisq", "pf", "pnorm", "predict", "pt", "qchisq", "qf",
             "qnorm", "qt", "quantile", "sd", "terms", "uniroot", "var")
to your NAMESPACE file.