Effect of an effluent on the growth of mysid shrimp
Competition between two biotypes
Sets control arguments
Effect of technical grade and commercially formulated auxin herbicides
Confidence Intervals for model parameters
Comparing selectivity indices across curves
Effect of cadmium on growth of green alga
Maximum mean response
The derivative of the Gompertz function
Model-robust dose-response modelling
Glyphosate and metsulfuron-methyl tested on algae.
Earthworm toxicity test
Cedergreen-Ritz-Streibig dose-reponse model for describing hormesis
Leaf length of barley
The Brain-Cousens hormesis models
Printing summary of non-linear model fits
Fitting multiple dose-response curves with random effects
Information on estimation
Log-normal dose-response model
Fractional polynomial-logistic dose-response models
Effect of sodium pentachlorophenate on growth of fathead minnow
Vinclozolin from AR in vitro assay
ANOVA for non-linear model fits
Prediction
Effect of ferulic acid on growth of ryegrass
Test data from a 21 day fish test
Calculating yield loss parameters
Summarising non-linear model fits
Example of plant growth curve from Covarelli and Onofri (1998)
Mechlorprop and terbythylazine tested on Lemna minor
Mean function for the Gompertz dose-response or growth curve
Inhibition of photosynthesis
Fitting dose-response models
Weight gain for different methionine sources
Model selection
Mortality of tobacco budworms
The Cedergreen-Ritz-Streibig model
Extracting the log likelihood
Gompertz growth models
Extracting residuals from model
The log-logistic function
Volume of algae as function of increasing concentrations of a herbicide
Dose-response profile of degradation of agrochemical using nasturtium
Heart rate baroreflexes for rabbits
Extract fitted values from model
Acifluorfen and diquat tested on Lemna minor.
The four-parameter log-logistic function
Isobutylalcohol in nutrient solution in which lettuce plants were grown
Showing starting values used
Asymptotic regression model
The Cedergreen-Ritz-Streibig model
The logistic model
Comparison of parameters
Root length
Dose-response profile of degradation of agrochemical using lepidium
The effect of terbuthylazin on growth rate
The Brain-Cousens hormesis models
Estimating effective doses
Exponential decay model
The three-parameter log-logistic function
Michaelis-Menten model
Comparison of effective dose values
Printing key features
Deguelin applied to chrysanthemum aphis
The three-parameter Weibull functions
Creating isobolograms
Searching through a range of initial parameter values to obtain convergence
Plotting fitted curves for a 'drc' or 'mrdrc' object
Herbicide applied to Galium aparine
The four-parameter Weibull functions
The two-parameter Weibull functions
Transform-both-sides Box-Cox transformation
Checking the model fot
Potency of two herbicides
Bread and meat for the sandwich
Estimation of ED values using model-averaging
Simulating a dose-response curve
Weibull model functions
The modified baro5 function
The five-parameter log-logistic function
Display available dose-response models
Daphnia test
Example from Finney (1971)
Expected or predicted response
Extract Model Coefficients
Simulating ED values under various scenarios
Updating and re-fitting a model
Continuous data from ECVAM
The two-parameter log-logistic function
Fitting mixture models
Calculating variance-covariance matrix for objects of class 'drc'