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 Statistics Group

Dr. Bryan Vinyard, Director

The Statistics Group promotes the application of up-to-date statistical science and ensures the quality of statistical methodology in Northeast Area research. The Statistics Group provides support in design, analysis, and presentation of research.

• Research Support Services
• Consulting on Design of Experiments
• Advice on Data Collection and Entry
• Guided or Statistical Analysis, depending on complexity
• Advice on Presentation of Results
• Statistical Review of Manuscripts
• Statistical Response to Reviewers

• Statistical Software Services
• SAS technical support to NEA scientists
• R technical support to NEA scientists
• various specialized software packages for analysis and presentation.

• Webinars

Matt Kramer

Strategies for reducing control group size in experiments using live animals mp4

P-values: Part I, an introduction mp4 pdf

P-values: Part II mp4 pdf

R-squared for mixed models mp4

Estimating the subject by treatment interaction in non-replicated crossover diet studies mp4 pdf

Statistical issues in horticulture: common issues and some fixes mp4 pdf

Mary Camp

Creating tidy data sets for statistical analysis Part 1

Creating tidy data sets for statistical analysis Part 2

Introduction to SAS Beginning: Part 1

Introduction to SAS Beginning: Part 2

Introduction to SAS Beginning: Part 3

Introduction to SAS: Part 1A

Introduction to SAS: Part 1B

Introduction to SAS: Part 1C

Install R and RStudio mp4 pdf

Introduction to R Packages mp4 pdf

Install Packages in RGui mp4

Install Packages in RStudio mp4

Bryan Vinyard

Tips for Students: Collaborative Research in Statistics and Bioinformatics mp4 pdf

Repeated Measures ANOVA - Part 1 Notation and Motivation mp4 pdf

Repeated Measures - Part 2 Correlation in ANOVA Framework mp4

Repeated Measures - Part 3 Choosing a Covariance Structure mp4 MixedModels.AppendixE

Repeated Measures - Part 4a Example Data Set mp4 pdf.MixedModels.Chapter5

Repeated Measures - Part 4b Example using SAS PROC MIXED mp4 SAS.ANOVAProgram data.Cows.csv LettersByMeansSASMacro

Staff Homepages:  Bryan Vinyard, Mary Camp, Matt Kramer

Statistics Group
Beltsville Agricultural Research Center
Bldg. 003, Rooms 229E, 330, 331; BARC-West
10300 Baltimore Avenue
Beltsville, Maryland 20705

Phone: (301) 504-8121
FAX: (301) 504-9442
E-mail: Bryan.Vinyard@ars.usda.gov