AJPH
HOME HELP FEEDBACK SUBSCRIPTIONS ARCHIVE SEARCH TABLE OF CONTENTS
QUICK SEARCH:   [advanced]


     

AJPH First Look, published online ahead of print Dec 27, 2005
This Article
Right arrow Full Text
Right arrow Full Text (PDF)
Right arrow All Versions of this Article:
AJPH.2005.078857v1
96/2/205    most recent
Right arrow Submit a response
Right arrow Purchase Article
Right arrow View Shopping Cart
Right arrow Alert me when this article is cited
Right arrow Alert me when eLetters are posted
Right arrow Alert me if a correction is posted
Services
Right arrow Similar articles in this journal
Right arrow Similar articles in ISI Web of Science
Right arrow Similar articles in PubMed
Right arrow Alert me to new issues of the journal
Right arrow Download to citation manager
Right arrow reprints & permissions
Citing Articles
Right arrow Citing Articles via Google Scholar
Google Scholar
Right arrow Articles by Spielman, S.
Right arrow Search for Related Content
PubMed
Right arrow PubMed Citation
Right arrow Articles by Spielman, S.
Related Collections
Right arrow Other Child and Adolescent Health
Right arrow Other Statistics/Evaluation/Research
Right arrow Urban Health
February 2006, Vol 96, No. 2 | American Journal of Public Health 205
© 2006 American Public Health Association
DOI: 10.2105/AJPH.2005.078857

LETTER

APPROPRIATE USE OF THE K FUNCTION IN URBAN ENVIRONMENTS

Seth Spielman, MS

Seth Spielman is with the Columbia University Graduate School of Architecture, Planning, and Preservation, New York, NY, and is a National Science Foundation IGERT Fellow in Geographic Information Science at the National Center for Geographic Information and Analysis, University of Buffalo, Buffalo, NY.

Correspondence: Requests for reprints should be sent to Seth Spielman, MS, 400 Avery Hall, Columbia University Graduate School of Architecture, Planning, and Preservation, New York, NY 10027 (e-mail: ses89@columbia.edu).

Because this article has no abstract, we have provided an extract of the first 100 words of the full text and any section headings.

There is clearly a need to understand neighborhood food environments and how they contribute to behavior. "Clustering of Fast-Food Restaurants Around Schools: A Novel Application of Spatial Statistics to the Study of Food Environments"1 is an interesting approach to understanding this important need. However, the article raises a number of methodological concerns about the use of spatial statistics in urban environments.

First and foremost is that the planar K function, the statistical technique used by Austin et al., may not be appropriate for data derived from street addresses. The K function used employs an "as the crow flies" measure of . . . [Full Text]






HOME HELP FEEDBACK SUBSCRIPTIONS ARCHIVE SEARCH TABLE OF CONTENTS
Copyright © 2006 by the American Public Health Association