help for xauto(Roger Newson)

Input an extended version of the auto data

xauto [ , clear ]

Description

xauto inputs an extended version of the auto dataset shipped with official Stata,
with extra variables and a primary key,
and all variables compressed,
and describes the new dataset.
xauto requires the SSC package keyby.

Options

clear specifies that any pre-existing dataset in the memory will be overwritten.

Remarks

The dataset created contains the variablss of the auto dataset distributed with Stata,
plus extra variables firm, odd, us, tons and npm.
tons is weight in US tons (equal to 2,000 US pounds).
The variable npm is fuel consumption in nipperkins per mile,
where a nipperkin is 1/256 of a gallon,
forming part of a binary system of Imperial/US capacity measures.

Examples

. xauto, clear

. scatter npm tons, by(us)

Saved results

xauto saves in r() the returned results of the describe command
with the varlist option.

Author

Roger Newson, Imperial College London, UK.

Email: r.newson@imperial.ac.uk

Also see

Manual: [D] describe

On-line: help for describe, sysuse

help for keyby if installed