gdata (version 2.2.0)

ll: Display Information about Objects or Elements

Description

Display name, class, size, and dimensions of each object in a given environment. Alternatively, if the main argument is a list-like object, its elements are listed and described.

Usage

ll(pos=1, unit=c("KB","MB","bytes"), digits=0, dimensions=FALSE,
   function.dim="", sort.elements=FALSE, ...)

Arguments

pos

environment position number, environment name, data frame, list, model, or any object that is.list().

unit

required unit for displaying object size: "bytes", "KB", "MB", or first letter.

digits

number of decimals to display when rounding object size.

dimensions

whether object dimensions should be returned.

function.dim

value to report as the dimension of function objects.

sort.elements

whether elements should be sorted by name.

...

passed to ls().

Value

• A data frame with named rows and the following columns:
• Class
  object class.
• KB
  object size (see notes).
• Dim
  object dimensions (optional).

Details

A verbose alternative to ls() and names().

See Also

ls displays names of objects in a given environment.

names, str, and summary display different information about list-like elements.

env is related to ll.

Examples

ll()
ll(all=TRUE)
ll("package:base")
ll("package:base")[ll("package:base")$Class!="function",]

data(infert)
ll(infert)
model <- glm(case~spontaneous+induced, family=binomial, data=infert)
ll(model, dim=TRUE)
ll(model, sort=TRUE)
ll(model$family)