Current Contents

23. Theory of Index Selection

• General Theory Selection on a Linear Index
  • Changes in G due to index selection
• The Smith-Hazel index
  • Properties of the Smith-Hazel Index
  • Other useful results
  • Estimated, base, and Elston indices
  • The Hayes-Hill transformation: detecting flaws in the estimated index
  • `Bending'' and ``rounding'' corrections of the estimated index
• Extensions: Restricted, Desired-gains, and Nonlinear Indices
  • Restricted indicies
  • Desired-gains indicies
  • Linear indices for nonlinear functions
  • Summary
• Independent Culling, Tandem, and Multistage Index Selection
  • Tandem selection
  • Independent culling
  • Selection of extremes
  • Relative efficiencies of index selection, independent culling, and tandem selection

PDF versions of a recent draft of this chapter are available. Feel free to use this for personal and/or class use until the book is available. Please note that these are copyrighted and that I would greatly appreciate feedback . Note that while the screen view can look funny in places, the printed output is fine.

• Chapter 23 PDF file ( v. 4 August 1997 ): (33 typeset pages, 680K)

Programs

• A Mathematica notebook that computes and plots the within- and between-generation changes in the phenotypic and genotypic values for a bivariate character under a Gaussian infinitesimal model.

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Bruce Walsh. jbwalsh@u.arizona.edu . Comments welcome.