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