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