rowsum.data.frame
Use rowsum() on a data frame object
Description
This is an S3 method for the function rowsum for objects inheriting from class data.frame.
Usage
rowsum.data.frame(x, group, reorder = TRUE, na.rm = FALSE, ...)
Arguments
| na.rm | a logical indicating whether missing values should be removed before computations | 
 
Note
This is a method for the function rowsum() for objects inheriting from class data.frame. 
See rowsum or rowsum.default for the general behavior of this function.