在我的控制台中:
?行
Help on topic 'nrow' was found in the following packages:
The number of rows/columns of an array-like object
(in package BiocGenerics in library C:/Program Files/R/R-3.0.2/library)
The Number of Rows/Columns of an Array
(in package base in library C:/PROGRA~1/R/R-30~1.2/library)
问题1:
如果我想在包中使用nrow函数,我该怎么办BiocGenerics
,也就是说:我只想得到一个结果。
The number of rows/columns of an array-like object
(in package BiocGenerics in library C:/Program Files/R/R-3.0.2/library)
问题2:我的电脑
里没有C:/PROGRA~1/R/R-30~1.2/library
,为什么我得到它?