51st
Weed Science Society of America
National Conference: Dose-response Symposium, February 8-10, 2011, Portland, OR
PowerPoint presentations
Dose-Response: Background and Perspectives on the Development of Analysis Methodology (Steve Seefeldt)
Estimation Techniques for Dose-response Functions (Bahman Shafii)
Applied of Dose-response Models in Weed Science (William Price)
Code (SAS) and Data (Excel) for Examples
Probit Analysis (SAS)
Vernalization Data
NLIN Analysis (SAS)
Vernalization Data
NLMIXED Analysis (SAS)
Vernalization Data
NLMIXED Analysis (SAS)
WIld Oat Data from Seefeldt. et al., Log-logistic analysis of herbicide dose-response relationships. Weed Technol. 9:218-227.
Fitting Poisson Data (SAS)
Harmony Pea Data
Fitting Exponential Model (SAS)
Harmony Pea Data
Model Reparameterization (SAS)
Wild Oat from Seefeldt. et al., Log-logistic analysis of herbicide dose-response relationships. Weed Technol. 9:218-227.
Comparison of Treatments
Wild Oat Data from Seefeldt. et al., Log-logistic analysis of herbicide dose-response relationships. Weed Technol. 9:218-227.
Fitting Random Effects (SAS)
Fungus Gnat Data
Bayesian Estimation (SAS)
Lettuce Data
Nonparametric estimation of an unknown dose (pdf)
From The Twenty-First Annual Kansas State University Conference on Applied Statistics in Agriculture, April 24-26, 2009, Manhattan Kansas.