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Workshops & Symposia

Nutrition Modeling in R  is an important component of nutritional research as diet formulation is a quantitative process. To design diets that meet or exceed the nutrient requirements of the species of interest, one must be able to predict the absorbed nutrient supply and the animal needs for those nutrients, or more robustly, animal responses to the varying supply of the nutrients. Thus the construction and parameterization of models is prevalent in animal nutrition research. In the Nutrition Models Workshop, you will learn modeling approaches required to construct, parameterize, and evaluate a model.

Introduction. Luis Tedeschi, Texas A&M University. Profile

 

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Building models using system dynamics methodology: applications to animal science. Emma C. Stephens, Agriculture and Agri-Food Canada. Profile

 

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Modelling digestion kinetics in pigs. Walter Gerrits, Wageningen University & Research.

 

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Title. Tulpan, . Profile

 

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Statistical graphics and interactive visualization in animal science. Gota Morota, Virginia Polytechnic Institute and State University. Profile

 

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Tutorial on R. Veridiana Daley, Land O'Lakes.

Exercises

Model construction. Timothy Hackmann, University of California, Davis.

  Lecture

  Exercises

Evaluating model predictions. Henk van Lingen, University of California, Davis.

  Lecture

  Exercises

Meta-analysis. Veridiana Daley, Land O'Lakes, Davis.

  Lecture

  Exercises

Building a nutrient requirement model. Mark Hanigan, Virginia Tech.

  Lecture

  Exercises

Linear Models and Meta-Regression (Theoretical background including instructions for practical, followed by hands-on examples)

Dr. Kristan Reed Cornell University, USA

Presentations

Exercises

Mechanistic Models (Theoretical background including instructions for practical, followed by hands-on examples). 

Dr. Mark Hanigan, Virginia Tech

Presentations

Exercises

Abbreviation list

Install R and RStudio - NANP and Virginia Tech

Dr. VL Daley and Members of Dr. Hanigan's Lab (Xinbei, Alvaro, Leticia, Jacquelyn, Alexis)

Download R 

RStudio 

Installing and Using R Get started with R

Install packages.R

ASAS-NANP Symposium Introduction 

 

Introduction to mathematical models, Mark D. Hanigan Virginia Tech, Virginia, USA

Presentation

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Building Models for Animal Production and Management with System Dynamics Modeling. Benjamin L. Turner, Texas A&M University-Kingsville

Presentation

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Introduction to R and R Scripting Robin R. White, Department of Animal and Poultry Sciences, Virginia Tech.

Presentation

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Assessing the predictive adequacy of simple and complex mathematical models  Luis O. Tedeschi, Texas A&M University.   

Presentation

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Overview and Case Studies of Cutting Edge Artificial Intelligence Techniques. Hector Menendez, Texas A&M University.

Presentation

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Welcoming remarks. John McNamara, Washington State University.

  Presentation

Tutorial on R.Timothy Hackmann, University of California, Davis.

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Estimation of Parameter Values: lecture. Mark Hanigan, Virginia Tech.

  Presentation

Lesson 1: Estimation of Parameter Values: exercises. Mark Hanigan, Virginia Tech.   

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Bootstrap and Cross-Validation: lecture. Ranga Appuhamy, Iowa State University Ames.

 Presentation

Lesson 2: Bootstrap and Cross-Validation: exercises. Ranga Appuhamy, Iowa State University Ames.

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Automated Model Selection: lecture. Veridiana L. Daley, University of Kentucky.  

 Presentation

Lesson 3: Automated Model Selection: exercises. Veridiana L. Daley, University of Kentucky.  

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Molly and other dynamic models: lecture. Heidi Rossow, University of California, Davis.

Presentation

Lesson 4: Molly and other dynamic models: exercises. Heidi Rossow, University of California, Davis. 

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Relevance and Collaboration with the National Research Council. Merlin D. Lindemann, University of Kentucky. The National Animal Nutrition Program (NANP).  Profile  

 

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Food and Agriculture Cyberinformatics and Tools. Charlotte Kirk Baer. National Program Leader. National Institute of Food and Agriculture US Department of Agriculture.  Profile

 

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The evolution of mathematical models for animal nutrition: what to expect next? Luis Tedeschi, Texas A&M University.  Profile

 

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Combining simplicity and complexity: creating user-applications from mechanistic nutritional models. Jaap van Milgen, INRA.  Profile

 

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Modeling the impact of climate change on whole farm systems. Andrew D. Moore, Digiscape Future Science Platform, CSIRO.  Profile

 

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Decision support for foot-and-mouth disease emergency preparedness: the use of computer modeling and visual analytical tools to evaluate control strategies. Lindsey Holmstrom, USDA-NAHMS.  Profile

 

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Modeling complex problems with system dynamics: Applications in Animal Agriculture. Charles Nicholson, College of Agriculture and Life Sciences.  Profile

 

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Innovative ways to see data. John C. Hart, University of Illinois at Urbana-Champaign.  Profile

 

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2018 NANP Nutrition Models Workshop. ADSA® Annual Meeting - Knoxville, Tennessee

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1) Download and Install R

2) Download and Install R Studio (after install the R)

3) Tutorial: Install R packages

In RStudio, you will need to install several packages (caret, deSolve, epiR, ggplot2, lmerTest, lme4, MuMIn, plyr, reshape2). This tutorial explains how to install the packages (as well as how to install R and RStudio).

4) Download the R script and install the packages

2017 NANP Nutrition Models Workshop. ADSA® Annual Meeting - Pittsburgh, Pennsylvania

Download here