U.S. Department of Commerce

VPLX: Variance Estimation for Complex Samples

Documentation for Older Windows 3.1 Version

The following chapters in PDF are available to document the old version. Some topics are not covered, and chapters 9-12 were not completed.

  • Chapter 1 - Introduction [PDF 26K]

  • Chapter 2 - How VPLX Works [PDF 152K]

    This chapter is an introduction to replication methods and attempts to provide a basic notion of their implementation in VPLX.

  • Chapter 3 - Real Variables [PDF 96K]

  • Chapter 4 - The Display Step [PDF 80K]

  • Chapter 5 - Real with Missing [PDF 36K]

  • Chapter 6 - Categorical and Crossed Variables [PDF 48K]

  • Chapter 7 - Class Variables [PDF 35K]

  • Chapter 8 - Blocking [PDF 23K]

  • Chapter 13 - Global Features [PDF 59K]

  • Chapter 14 - Basic Features of the TRANSFORM Step [PDF 90K]

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Source: U.S. Census Bureau  |  Systems Support Division  |  Page Last Modified: May 06, 2011