Mortality of tobacco budworms
Michaelis-Menten model
The Brain-Cousens hormesis models
Test data from a 21 day fish test
Leaf length of barley
Volume of algae as function of increasing concentrations of a herbicide
Fractional polynomial-logistic dose-response models
Dose-response model for estimation of no effect concentration (NEC).
Information on estimation
Extract fitted values from model
Estimating effective doses
Showing starting values used
Extracting the log likelihood
Dose-response profile of degradation of agrochemical using lepidium
Effect of erythromycin on mixed sewage microorganisms
Two-phase dose-response model
Display available dose-response models
Daphnia test
Model-robust dose-response modelling
Competition between two biotypes
Mizon-Richard test for dose-response models
Simulating a dose-response curve
Maximum mean response
Herbicide applied to Galium aparine
Cedergreen-Ritz-Streibig dose-reponse model for describing hormesis
Lack-of-fit test for the mean structure based on cumulated residuals
The four-parameter Weibull functions
Effect of an effluent on the growth of mysid shrimp
Transform-both-sides Box-Cox transformation
Calculating yield loss parameters
Example of plant growth curve from Covarelli and Onofri (1998)
Mechlorprop and terbythylazine tested on Lemna minor
The Cedergreen-Ritz-Streibig model
The two-parameter log-logistic function
ANOVA for dose-response model fits
Comparing selectivity indices across curves
Expected or predicted response
Simulating ED values under various scenarios
The log-logistic function
Isobutylalcohol in nutrient solution in which lettuce plants were grown
Comparison of effective dose values
Extract Model Coefficients
Confidence Intervals for model parameters
Sets control arguments
Fitting dose-response models
Potency of two herbicides
Effect of technical grade and commercially formulated auxin herbicides
The Cedergreen-Ritz-Streibig model
Effect of ferulic acid on growth of ryegrass
Glyphosate and metsulfuron-methyl tested on algae.
Model function for the universal response surface approach (URSA) for the quantitative assessment of drug interaction
Bread and meat for the sandwich
Example from Finney (1971)
The derivative of the Gompertz function
The effect of terbuthylazin on growth rate
Printing key features
Mean function for the Gompertz dose-response or growth curve
Deguelin applied to chrysanthemum aphis
Effect of cadmium on growth of green alga
Creating isobolograms
Inhibition of photosynthesis
The three-parameter Weibull functions
Model selection
Estimation of ED values using model-averaging
Gompertz growth models
Prediction
Neill's lack-of-fit test for dose-response models
Plotting fitted curves for a 'drc' or 'mrdrc' object
The three-parameter log-logistic function
Exponential decay model
Log-normal dose-response model
The five-parameter log-logistic function
Heart rate baroreflexes for rabbits
Printing summary of non-linear model fits
Acifluorfen and diquat tested on Lemna minor.
Comparison of parameters
Calculating variance-covariance matrix for objects of class 'drc'
Extracting residuals from model
Dose-response profile of degradation of agrochemical using nasturtium
Weight gain for different methionine sources
Vinclozolin from AR in vitro assay
Summarising non-linear model fits
Root length measurements
The Brain-Cousens hormesis models
Asymptotic regression model
The four-parameter log-logistic function
Effect of sodium pentachlorophenate on growth of fathead minnow
The logistic model
The modified baro5 function
Fitting mixture models
Updating and re-fitting a model
Checking the model fot
Weibull model functions
Searching through a range of initial parameter values to obtain convergence
Earthworm toxicity test
The two-parameter Weibull functions