Version 2.0 Visual Sample Plan (VSP): Models and Code Verification
Richard O. Gilbert,John E. Wilson,Robert F. O'Brien,Deborah K. Carlson,Derrick J. Bates,Brent A. Pulsipher,Craig A. McKinstry +6 more
- 03 Sep 2002
TL;DR: This document is an expansion of Gilbert et al (2001) to include the QA procedures and testing that were conducted to assure the validity and accuracy of the new features added to Version 1.0 to obtain Version 2.0.
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Abstract: Visual Sample Plan (VSP) is an easy-to-use visual and graphic software tool being developed by the Pacific Northwest National Laboratory (PNNL) to select the right number and location of environmental samples so that the results of statistical tests performed to provide input to environmental decisions have the required confidence and performance. It is a significant help in implementing the Data Quality Objectives (DQO) planning process that was developed by the U. S. Environmental Protection Agency. Gilbert et al. (2001) documented the quality assurance (QA) procedures that were conducted to assure that Version 0.91 of VSP was operating correctly. Subsequently, Version 0.91 was renamed Version 1.0 and placed on the internet at http://dqo.pnl.gov/vsp . Since that time VSP has been enlarged and improved and is now available as Version 2.0. The current document is an expansion of Gilbert et al (2001) to include the QA procedures and testing that were conducted to assure the validity and accuracy of the new features added to Version 1.0 to obtain Version 2.0.
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Figures
Table 3.9. Systematic Grid Sampling for Comparing a Proportion to a Fixed Threshold* 
Table 3.10. Systematic Grid Sampling for Comparing an Average to a Reference Average* 
Table 3.8 Simple Random Sampling for Comparing a Proportion to a Fixed Threshold* (cont.) 
Table 3.5. Hand Calculations to Test if VSP Software Accurately Computes Sample Sizes 
Table 3.2 Summary and References to Verification of Computations in VSP Version 2.0 
Figure A.3. Power curves for the 1- sample sequential t-test for when the null hypothesis is that the site is dirty (top panel) and when the null hypothesis is that the site is clean (bottom panel).
Citations
•Book
Student study guide to accompany : a modern approach to statistics
Ronald L. Iman,William J. Conover +1 more
- 01 Jan 1983
41
Visual Sample Plan Version 1.0 User's Guide
Jim Jr Davidson,Nancy L. Hassig,Richard O. Gilbert +2 more
- 13 Apr 2001
TL;DR: Visual Sample Plan (VSP) as discussed by the authors is an easy-to-use program for environmental quality analysis that selects the appropriate number and location of environmental samples to ensure that the results of statistical tests performed to provide input to environmental decisions have the required confidence and performance.
Visual Sample Plan Version 2.0 User's Guide
Nancy L. Hassig,John E. Wilson,Richard O. Gilbert,Deborah K. Carlson,Robert F. O'Brien,Brent A. Pulsipher,Craig A. McKinstry,Derrick J. Bates +7 more
- 23 Sep 2002
TL;DR: This user's guide describes Visual Sample Plan (VSP), designed primarily for project managers and users without expertise in statistics, and provides instructions for using the software.
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