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