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ProcessNetwork Version 1.5 Software

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ProcessNetwork Version 1.5 Software



29 Apr 2013 (Updated )

Functions for the delineation of Dynamical Process Networks using Information Theory

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Attribution and Licensing
The ProcessNetwork software was written between 2005 and 2008 at the University of Illinois at Urbana-Champaign, in the Department of Civil Engineering, funded 2006-2008 by a NASA fellowship #NNX06AF71H , and then continued development has occurred at Arizona State University, funded 2013-2015 by a grant from the NSF’s Macrosystems Biology program BIO-1241960. Dr. Benjamin L. Ruddell is the primary author of the software, but many collaborators have contributed to its ongoing development. The work is that of the author, and its accuracy and implications are not necessarily supported by the funding and employing organizations. The software copyright is held by Dr. Ruddell, but is shared for fair use with acknowledgement and citation of the author’s contribution under a Creative Commons Public License. Those using the software are requested to cite the software using the following three citations, and to communicate with the author regarding modifications, extensions, and applications of the software.

Current Citation for the software:

Ruddell, B.L., C. Sturtevant, M. Kang, and R. Yu (2008), ProcessNetwork Software, version 1.5, accessed at (INSERT URL OR SOURCE HERE) on (INSERT DATE HERE).

Citations for the methods employed in the software:

Ruddell, B. L.*, and P. Kumar (2009a), Ecohydrologic process networks: 1. Identification, Water Resour. Res., 45, W03419, doi:10.1029/2008WR007279.

Ruddell, B. L.*, and P. Kumar (2009b), Ecohydrologic process networks: 2. Analysis and characterization, Water Resour. Res., 45, W03420, doi:10.1029/2008WR007280.

Ruddell, B.L.*, N. Oberg, P. Kumar, and M. Garcia (2010), Using Information-Theoretic Statistics in MATLAB to Understand How Ecosystems Affect Regional Climates, MATLAB Digest Academic Edition, February 2010,

Sturtevant, C., et al. (2015), Identifying scale-emergent, non-linear, asynchronous processes of wetland methane exchange, Journal of Geophysical Research.


Dr. Praveen Kumar, for advising and co-authorship of publications at the University of Illinois
Dr. Ricky Robertson, for important histogram algorithm advice at the University of Illinois
Numerous students and colleagues who provided help with MATLAB coding
Cove Sturtevant and Dennis Baldocchi of the University of California, Berkeley for redevelopment of the MATLAB code in Version 1.5 to improve the processing speed of individual functions and add a wavelet transformation module, IAAFT surrogate data generation, and plotting functions.
Minseok Kang and Rong Yu for contributions to code versions 1.2 through 1.4

Required Products Simulink
Simulink Verification and Validation
Statistics and Machine Learning Toolbox
DO Qualification Kit
MATLAB release MATLAB 8.6 (R2015b)
MATLAB Search Path
Other requirements Supports multiple-core and parallel toolbox calculation of the Matlab 2014b release, but this is not required.
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17 Jan 2015 1.1

Version 1.4 contains bug fixes and added features compared with the last release from April 2013, version 1.0.

02 Oct 2015 1.5

Version 1.5 contains significant architectural adjustments in the data preprocessing, to accommodate wavelet preprocessing.

02 Oct 2015 1.5

version 1.5 build 2

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