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FIRSTDIGIT: Stata module to analyse first digits of numeric variables

Author info | Abstract | Publisher info | Download info | Related research | Statistics
Author Info
Nicholas J. Cox () (Durham University)

Additional information is available for the following registered author(s):

Abstract

firstdigit tabulates and analyses the first digits of numeric variables. It also tests Benford's law that digits d = 1,..,9 occur with probabilities log10(1 + 1/d). Thus given data of 12, 345, 6789, etc., it would extract 1, 3, 6, etc., tabulate the frequencies of the digits 1 to 9 and give a chi-square test of the law.

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File URL: http://fmwww.bc.edu/repec/bocode/f/firstdigit.ado
File Format: text/plain
File Function: program code
Download Restriction: no
File URL: http://fmwww.bc.edu/repec/bocode/f/firstdigit.hlp
File Format: text/plain
File Function: help file
Download Restriction: no

Publisher Info
Software component provided by Boston College Department of Economics in its series Statistical Software Components with number S456842.

Download reference. The following formats are available: HTML, plain text, BibTeX, RIS (EndNote), ReDIF
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Programming language: Stata
Requires: Stata version 9.1
Date of creation: 23 May 2007
Date of revision: 27 May 2007
Handle: RePEc:boc:bocode:s456842

Note: This module may be installed from within Stata by typing "ssc install firstdigit". Windows users should not attempt to download these files with a web browser.
Contact details of provider:
Postal: Boston College, 140 Commonwealth Avenue, Chestnut Hill MA 02467 USA
Phone: 617-552-3670
Fax: +1-617-552-2308
Email:
Web page: http://fmwww.bc.edu/EC/
More information through EDIRC

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Web: http://repec.org/docs/ssc.php

For technical questions regarding this item, or to correct its listing, contact: (Christopher F Baum).

Related research
Keywords: digits Benford's Law fraud data cleaning

Statistics
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This page was last updated on 2008-5-8.

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