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Activity Number: 520
Type: Invited
Date/Time: Thursday, August 2, 2007 : 10:30 AM to 12:20 PM
Sponsor: Section on Survey Research Methods
Abstract - #307773
Title: Rao-Scott Corrections and Beyond
Author(s): Alastair J. Scott*+
Companies: University of Auckland
Address: Department of Statistics, Auckland, 1010, New Zealand
Keywords: Survey Data ; Chi-squared Tests
Abstract:

It is now 25 years since Rao-Scott corrections to chi-squared tests were introduced for two-way tables (Rao & Scott 1981) and more than 20 years since the extension to multi-way tables (Rao & Scott 1984) was published. Until five years ago, both papers were attracting one or two citations per year but this has increased rapidly to a rate of 20 or so per year over the last five years. The primary reason for this is the inclusion of the corrections as standard features in most big computer packages for the analysis of survey data. We look at computational aspects of the methods and at some improvements and extensions. References. Rao, J.N.K. & Scott, A.J. The analysis of categorical data from complex sample surveys. JASA, 76, 1981, 221-230. Rao, J.N.K. & Scott, A.J. On chi-squared tests for multiway contingency tables with cell proportions estimated from survey data. AnnStat,12, 1984, 46-60.

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Revised September, 2007