CalcCrit: no visible global function definition for ‘tail’
CalcCrit: no visible global function definition for ‘anova’
SimulInt: no visible global function definition for ‘qf’
con.search: no visible global function definition for ‘persp’
con.search: no visible global function definition for ‘title’
con.search.C: no visible global function definition for ‘persp’
con.search.C: no visible global function definition for ‘title’
con.search.D: no visible global function definition for ‘persp’
con.search.D: no visible global function definition for ‘title’
con2.search: no visible global function definition for ‘persp’
con2.search: no visible global function definition for ‘title’
con2.search.C: no visible global function definition for ‘persp’
con2.search.C: no visible global function definition for ‘title’
con2.search.D: no visible global function definition for ‘persp’
con2.search.D: no visible global function definition for ‘title’
llsearch: no visible global function definition for ‘persp’
llsearch: no visible global function definition for ‘title’
llsearch.C: no visible global function definition for ‘persp’
llsearch.C: no visible global function definition for ‘title’
llsearch.D: no visible global function definition for ‘persp’
llsearch.D: no visible global function definition for ‘title’
p.est: no visible global function definition for ‘lm’
p.est.C: no visible global function definition for ‘lm’
p.est.D: no visible global function definition for ‘lm’
p2.est: no visible global function definition for ‘lm’
p2.est.C: no visible global function definition for ‘lm’
p2.est.D: no visible global function definition for ‘lm’
rss: no visible global function definition for ‘lm’
rss.C: no visible global function definition for ‘lm’
rss.D: no visible global function definition for ‘lm’
Undefined global functions or variables:
  anova lm persp qf tail title
Consider adding
  importFrom("graphics", "persp", "title")
  importFrom("stats", "anova", "lm", "qf")
  importFrom("utils", "tail")
to your NAMESPACE file.