ll {gdata} | R Documentation |
Describe Objects or Elements
Description
Display name, class, size, and dimensions of each object in a given environment. Alternatively, if the main argument is an object, its elements are listed and described.
Usage
ll(pos=1, unit="KB", digits=0, dim=FALSE, sort=FALSE, class=NULL,
invert=FALSE, ...)
Arguments
pos |
environment position number, environment name, data frame,
list, model, S4 object, or any object that |
unit |
unit for displaying object size: "B", "KB", "MB", "GB", or first letter (case-insensitive). |
digits |
number of decimals to display when rounding object size. |
dim |
whether object dimensions should be returned. |
sort |
whether elements should be sorted by name. |
class |
character vector for limiting the output to specified classes. |
invert |
whether to invert the |
... |
passed to |
Value
A data frame with named rows and the following columns:
Class |
object class. |
KB |
object size (see note). |
Dim |
object dimensions (optional). |
Note
The name of the object size column is the same as the unit used.
Author(s)
Arni Magnusson, with contributions by Jim Rogers and Michael Chirico.
See Also
ll
is a verbose alternative to ls
(objects in an
environment), names
(elements in a list-like object),
and slotNames
(S4 object).
str
and summary
also describe elements in
a list-like objects.
env
is a related function that describes all loaded
environments.
Examples
ll()
ll(all=TRUE)
ll("package:base")
ll("package:base", class="function", invert=TRUE)
ll(infert)
model <- glm(case~spontaneous+induced, family=binomial, data=infert)
ll(model, dim=TRUE)
ll(model, sort=TRUE)
ll(model$family)