groupVec
groupVec Constructor
Description
Constructor function for groupVec class objects.
Usage
groupVec(names, classes, columns)
Arguments
|
The function can be called with no arguments, but if it is called
with any arguments, names must be supplied.
|
| names |
the column names for the object.
|
| classes |
the column classes for the object. If not supplied, it is
initialized as ANY, replicated to the length of names.
|
| columns |
the list for column data. If not supplied, it is initialized
to new(class) for each class in classes.
|
Details
This function creates a new groupVec object, putting
the names (if supplied) into the names slot,
the classes (if supplied) into the classes slot,
and the columns (if supplied) into the columns slot.
Value
returns a new groupVec object constructed from the arguments,
or an empty one if no arguments are supplied.
See Also
Examples
groupVec()
groupVec(c("my.nums", "my.chars"), c("numeric", "character"))
groupVec(c("my.nums", "my.chars"), c("numeric", "character"),
list(c(1, 2, 3), c("a", "b", "c")))