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wch / extrafont

Tools for using fonts in R graphics
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Fix NOTE in R CMD check #59

Closed jrnold closed 5 years ago

jrnold commented 6 years ago 
checking R code for possible problems ... NOTE
font_install: no visible global function definition for
  ‘installed.packages’
font_install: no visible global function definition for
  ‘install.packages’
fonttable_add: no visible global function definition for ‘write.csv’
Undefined global functions or variables:
  install.packages installed.packages write.csv
Consider adding
  importFrom("utils", "install.packages", "installed.packages",
             "write.csv")
to your NAMESPACE file.