Roberti esa 2014_workshop_slides

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© 2013 National Ecological Observatory Network, Inc. ALL RIGHTS RESERVED. USING EXCEL AND R FOR UNCERTAINTY ANALYSIS Josh Roberti [email protected]

Transcript of Roberti esa 2014_workshop_slides

Page 1: Roberti esa 2014_workshop_slides

© 2013 National Ecological Observatory Network, Inc. ALL RIGHTS RESERVED.

USING EXCEL AND R FOR UNCERTAINTY ANALYSIS

Josh [email protected]

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© 2013 National Ecological Observatory Network, Inc. ALL RIGHTS RESERVED.

SOFTWARE DEVELOPED BY THE NATIONAL INSTITUTE OF STANDARDS AND TECHNOLOGY (NIST):• MetRology (Will Guthrie, Hung-Kung Liu, et al. of NIST)http://www.nist.gov/itl/sed/gsg/metrology.cfmhttp://www.nist.gov/itl/sed/gsg/metrology-for-microsoft-excel.cfm

• Installation process - Email sent to all attendees on 7 Aug 2014

• Test example – did this work for everyone?

• Please feel free to interrupt me with questions at any time

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© 2013 National Ecological Observatory Network, Inc. ALL RIGHTS RESERVED.

EXCEL:

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© 2013 National Ecological Observatory Network, Inc. ALL RIGHTS RESERVED.

EXCEL:

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© 2013 National Ecological Observatory Network, Inc. ALL RIGHTS RESERVED.

EXCEL AND R:

• Brief examples.• Input quantity slip-ups • Sensitivity analysis• Variance decomposition• “Approximate Attained confidence”• Errors and warnings

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© 2013 National Ecological Observatory Network, Inc. ALL RIGHTS RESERVED.

EXCEL OR R:

• Exercise.