Introduction to visual sample plan applications
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DQO Training Course Day 3 M odule 21. Introduction to Visual Sample Plan & Applications. Presenter: Sebastian Tindall. (60 minutes). Key Points. VSP is a user-friendly, graphical software tool for evaluating trade-offs between decision errors, sampling costs, and remediation costs

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Introduction to visual sample plan applications

DQO Training Course

Day 3

Module 21

Introduction to Visual Sample Plan& Applications

Presenter: Sebastian Tindall

(60 minutes)


Key points

Key Points

  • VSP is a user-friendly, graphical software tool for evaluating trade-offs between decision errors, sampling costs, and remediation costs

  • Alternative sampling designs can be reviewed and evaluated in real-time


Purpose of vsp

Purpose of VSP

The purpose of VSP is to make environmental sampling design reliable, cost effective, and as simple as possible - but not simpler


Quick overview

Quick Overview

  • Open a site map

  • Select a sample area

  • Select a sampling design

  • Specify error rates, action level, standard deviation, etc.

  • Note results on map, graph, and costs

  • Iterate with various designs until optimal

  • Take samples at x, y coordinates provided


Introduction to visual sample plan applications

Detailed Examples

  • Simple random sampling of one acre field

  • Systematic grid with random start sampling of one acre field

  • Hot spot sampling of one acre field

  • Optional: “stratified” simple random sampling

  • Optional: MARSSIM Room


Introduction to visual sample plan applications

VSP Demo

Now we will see a demonstration of

Visual Sample Plan, version 2.0


Introduction to visual sample plan applications

Conclusions

  • VSP helps us understand the consequences of our assumptions

  • VSP makes us more efficient in evaluating and utilizing environmental sampling designs

  • GIGO; VSP depends on you for input

  • VSP is helpless without domain-specific knowledge and professional judgement


Introduction to visual sample plan applications

VSP Web Links

http://dqo.pnl.gov/vsp/

http://www.hanford.gov/dqo/


Introduction to visual sample plan applications

VSP Development Contacts

Brent Pulsipher, ManagerStatistical & Quantitative SciencesPacific Northwest National LaboratoryRichland, WA 99352(509) [email protected]

John Wilson, ProgrammerStatistical & Quantitative SciencesPacific Northwest National LaboratoryGrand Junction, CO 81503 (970) 270-2998 [email protected]


End of module 21

End of Module 21

Thank you

Questions?


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