プライベート関数の呼び出し

スコープ演算子:::を使う。

> utils:::.readPkgDesc(.Library, "Version")

      [,1]            [,2]                             [,3]       

 [1,] "animation"     "C:/Installed/R/R-3.2.2/library" "2.4"      

 [2,] "assertthat"    "C:/Installed/R/R-3.2.2/library" "0.1"      

 [3,] "base"          "C:/Installed/R/R-3.2.2/library" "3.2.2"    

 [4,] "BH"            "C:/Installed/R/R-3.2.2/library" "1.58.0-1"
... 省略...
[89,] "xml2"          "C:/Installed/R/R-3.2.2/library" "0.1.2"    

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