This is the program for the 2010 Joint Statistical Meetings in Vancouver, British Columbia.

Abstract Details

Activity Number: 639
Type: Contributed
Date/Time: Thursday, August 5, 2010 : 8:30 AM to 10:20 AM
Sponsor: Section on Survey Research Methods
Abstract - #306430
Title: An Introduction to Presampling Inference II
Author(s): Stephen Woodruff*+
Companies: Specified Designs
Address: 800 West View Terrace, Alexandria, VA, 22301-2750,
Keywords: Design Based Inference ; Model Based Inference ; Generalized Inverse

In 2009 Pre-sampling Inference and it application to survey sampling were introduced but restrictions that imposed a unique model were required. This paper generalizes last year's by removing most restrictions through use of generalized inverse matrices but retains the reassuring impartiality of randomization and the inferential power of models. Under the 2009 restrictions the sampling distribution was irrelevant to the Pre-sampling inference; this year's generalization requires the sampling distribution to deal with lessened model specificity resulting from this generality. Inference flows from both the Pre-sampling model based BLUE and the Sampling Distribution's selection probabilities while achieving large mean squared error reductions compared to design based estimators. The advantages of both model and design based inference are retained while eliminating their shortcomings.

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