11_complex

11_complex - Complex Surveys Lecture 11 STAT 651 Survey Sampling Methods Kaizar – p.1/16 Lecture 11 Complex Surveys Reading Lohr Chapter 7

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Unformatted text preview: Complex Surveys Lecture 11 STAT 651: Survey Sampling Methods, Kaizar – p.1/16 Lecture 11: Complex Surveys Reading: Lohr Chapter 7, sections 1 - 6 Definition Variance estimation: common problems CIs and Degrees of freedom Example: Iraq Survey Graphical Displays STAT 651: Survey Sampling Methods, Kaizar – p.2/16 Definition Survey designs are “complex” whenever stratification and clustering are combined it the same sample. STAT 651: Survey Sampling Methods, Kaizar – p.3/16 Example: NAMCS The goal of the National Ambulatory Medical Care Survey (NAMCS) is to quantify what happens in physician offices in the US. Design: 1. Group the list of all licensed physicians by region and specialty 2. Select some doctors in each group 3. Group the year into 2-week time periods 4. Select one 2-week period independently for each selected doctor. 5. Sample every mth patient encounter for each selected doctor in the selected time period, and record information about that encounter....
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This note was uploaded on 07/26/2011 for the course STA 651 taught by Professor Kaizar during the Winter '11 term at Ohio State.

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11_complex - Complex Surveys Lecture 11 STAT 651 Survey Sampling Methods Kaizar – p.1/16 Lecture 11 Complex Surveys Reading Lohr Chapter 7

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