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