Abstract #301824

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JSM 2002 Abstract #301824
Activity Number: 353
Type: Contributed
Date/Time: Wednesday, August 14, 2002 : 2:00 PM to 3:50 PM
Sponsor: Section on Statistics & the Environment*
Abstract - #301824
Title: Evaluation of Some Methods for Non-response in Environmental Data
Author(s): Rubén Smith-Cayama*+ and Breda Muñoz-Hernández and Virginia Lesser
Affiliation(s): University of Los Andes and University of Costa Rica and Oregon State University
Address: PO Box 45 Ipostel La Hechiera , Merida, , 5101 Merida, Venezuela
Keywords: Environmental survey ; imputation ; missing data
Abstract:

When analyzing data from environmental surveys, the researcher must address the issue of how to handle missing data. Methods proposed to solve the missing data problem in estimation procedures should consider the type of missing data, the sampling design used to collect the data, and the availability of auxiliary variables correlated with the process of interest. In this paper, we consider different approaches to handling missing data and study their properties when applied to environmental data.

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