Combining Objects
The c
function combines vectors and lists
The cbind
and rbind
functions can be used to append columns and rows, respecively.
Accessing Dimensions of Objects
Length and dimension information of objects
Accessing Name Slots of Objects
Accessing row and column names of 2D objects
Return name field of vectors and lists
Sorting Objects
The function sort
returns a vector in ascending or descending order
The function order
returns a sorting index for sorting an object
Sorting multiple columns