Analysis of Dose-Response Curves

Documentation for package ‘drc’ version 3.0-1

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A B C D E F G H I L M N O P R S T U V W Y

-- A --

acidiq	Acifluorfen and diquat tested on Lemna minor.
actimL	Model function for the universal response surface approach (URSA) for the quantitative assessment of drug interaction
algae	Volume of algae as function of increasing concentrations of a herbicide
anova.drc	ANOVA for dose-response model fits
AR.2	Asymptotic regression model
AR.3	Asymptotic regression model
auxins	Effect of technical grade and commercially formulated auxin herbicides

-- B --

backfit	Calculation of backfit values from a fitted dose-response model
baro5	The modified baro5 function
BC.4	The Brain-Cousens hormesis models
BC.5	The Brain-Cousens hormesis models
bcl3	The Brain-Cousens hormesis models
bcl4	The Brain-Cousens hormesis models
boxcox.drc	Transform-both-sides Box-Cox transformation
braincousens	The Brain-Cousens hormesis models
bread.drc	Bread and meat for the sandwich

-- C --

cedergreen	The Cedergreen-Ritz-Streibig model
chickweed	Germination of common chickweed (_Stellaria media_)
chickweed0	Germination of common chickweed (_Stellaria media_)
CIcomp	Calculation of combination index for binary mixtures
CIcompX	Calculation of combination index for binary mixtures
coef.drc	Extract Model Coefficients
comped	Comparison of effective dose values
compParm	Comparison of parameters
confint.drc	Confidence Intervals for model parameters
cooks.distance.drc	Model diagnostics for nonlinear dose-response models
CRS.4a	The Cedergreen-Ritz-Streibig model
CRS.4b	The Cedergreen-Ritz-Streibig model
CRS.4c	The Cedergreen-Ritz-Streibig model
CRS.5a	Cedergreen-Ritz-Streibig dose-reponse model for describing hormesis
CRS.5b	Cedergreen-Ritz-Streibig dose-reponse model for describing hormesis
CRS.5c	Cedergreen-Ritz-Streibig dose-reponse model for describing hormesis
CRS.6	The Cedergreen-Ritz-Streibig model

-- D --

daphnids	Daphnia test
decontaminants	Performance of decontaminants used in the culturing of a micro-organism
deguelin	Deguelin applied to chrysanthemum aphis
drm	Fitting dose-response models
drmc	Sets control arguments

-- E --

earthworms	Earthworm toxicity test
ED	Estimating effective doses
ED.drc	Estimating effective doses
EDcomp	Comparison of relative potencies between dose-response curves
estfun.drc	Bread and meat for the sandwich
etmotc	Effect of erythromycin on mixed sewage microorganisms
EXD.2	Exponential decay model
EXD.3	Exponential decay model

-- F --

finney71	Example from Finney (1971)
fitted.drc	Extract fitted values from model
FPL.4	Fractional polynomial-logistic dose-response models
fplogistic	Fractional polynomial-logistic dose-response models

-- G --

G.2	Mean function for the Gompertz dose-response or growth curve
G.3	Mean function for the Gompertz dose-response or growth curve
G.3u	Mean function for the Gompertz dose-response or growth curve
G.4	Mean function for the Gompertz dose-response or growth curve
G.aparine	Herbicide applied to Galium aparine
gammadr	Gamma dose-response model
gaussian	Normal and log-normal biphasic dose-response models
genBliss	Model function for the universal response surface approach (URSA) for the quantitative assessment of drug interaction
genBliss2	Model function for the universal response surface approach (URSA) for the quantitative assessment of drug interaction
genLoewe	Model function for the universal response surface approach (URSA) for the quantitative assessment of drug interaction
genLoewe2	Model function for the universal response surface approach (URSA) for the quantitative assessment of drug interaction
genursa	Model function for the universal response surface approach (URSA) for the quantitative assessment of drug interaction
germination	Germination of three crops
getInitial	Showing starting values used
getMeanFunctions	Display available dose-response models
glymet	Glyphosate and metsulfuron-methyl tested on algae.
gompertz	Mean function for the Gompertz dose-response or growth curve
gompertzd	The derivative of the Gompertz function

-- H --

H.virescens	Mortality of tobacco budworms
hatvalues.drc	Model diagnostics for nonlinear dose-response models
heartrate	Heart rate baroreflexes for rabbits

-- I --

iceLoewe.1	Model function for the universal response surface approach (URSA) for the quantitative assessment of drug interaction
iceLoewe2.1	Model function for the universal response surface approach (URSA) for the quantitative assessment of drug interaction
isobole	Creating isobolograms

-- L --

L.3	The logistic model
L.4	The logistic model
L.5	The logistic model
l2	The two-parameter log-logistic function
l3	The three-parameter log-logistic function
l3u	The three-parameter log-logistic function
l4	The four-parameter log-logistic function
l5	The five-parameter log-logistic function
leaflength	Leaf length of barley
lepidium	Dose-response profile of degradation of agrochemical using lepidium
lettuce	Hormesis in lettuce plants
lgaussian	Normal and log-normal biphasic dose-response models
lin.test	Lack-of-fit test for the mean structure based on cumulated residuals
LL.2	The two-parameter log-logistic function
LL.3	The three-parameter log-logistic function
LL.3u	The three-parameter log-logistic function
LL.4	The four-parameter log-logistic function
LL.5	The five-parameter log-logistic function
LL2.2	The two-parameter log-logistic function
LL2.3	The three-parameter log-logistic function
LL2.3u	The three-parameter log-logistic function
LL2.4	The four-parameter log-logistic function
LL2.5	The five-parameter log-logistic function
llogistic	The log-logistic function
llogistic2	The log-logistic function
LN.2	Log-normal dose-response model
LN.3	Log-normal dose-response model
LN.3u	Log-normal dose-response model
LN.4	Log-normal dose-response model
lnormal	Log-normal dose-response model
logistic	The logistic model
logLik.drc	Extracting the log likelihood

-- M --

M.bahia	Effect of an effluent on the growth of mysid shrimp
maED	Estimation of ED values using model-averaging
MAX	Maximum mean response
mecter	Mechlorprop and terbythylazine tested on Lemna minor
metals	Data from heavy metal mixture experiments
methionine	Weight gain for different methionine sources
mixture	Fitting binary mixture models
ml3a	The Cedergreen-Ritz-Streibig model
ml3b	The Cedergreen-Ritz-Streibig model
ml3c	The Cedergreen-Ritz-Streibig model
ml4a	Cedergreen-Ritz-Streibig dose-reponse model for describing hormesis
ml4b	Cedergreen-Ritz-Streibig dose-reponse model for describing hormesis
ml4c	Cedergreen-Ritz-Streibig dose-reponse model for describing hormesis
MM.2	Michaelis-Menten model
MM.3	Michaelis-Menten model
modelFit	Assessing the model fit
mr.test	Mizon-Richard test for dose-response models
mselect	Dose-response model selection
multi2	Multistage dose-response model with quadratic terms

-- N --

nasturtium	Dose-response profile of degradation of agrochemical using nasturtium
NEC	Dose-response model for estimation of no effect concentration (NEC).
NEC.2	Dose-response model for estimation of no effect concentration (NEC).
NEC.3	Dose-response model for estimation of no effect concentration (NEC).
NEC.4	Dose-response model for estimation of no effect concentration (NEC).
neill.test	Neill's lack-of-fit test for dose-response models
noEffect	Testing if there is a dose effect at all

-- O --

O.mykiss

Test data from a 21 day fish test

-- P --

P.promelas	Effect of sodium pentachlorophenate on growth of fathead minnow
plot.drc	Plotting fitted dose-response curves
plotFACI	Calculation of combination index for binary mixtures
PR	Expected or predicted response
predict.drc	Prediction
predict.mrdrc	Prediction
print.drc	Printing key features
print.summary.drc	Printing summary of non-linear model fits

-- R --

rdrm	Simulating a dose-response curve
relpot	Comparison of relative potencies between dose-response curves
residuals.drc	Extracting residuals from the fitted dose-response model
RScompetition	Competition between two biotypes
ryegrass	Effect of ferulic acid on growth of ryegrass

-- S --

S.alba	Potency of two herbicides
S.capricornutum	Effect of cadmium on growth of green alga
searchdrc	Searching through a range of initial parameter values to obtain convergence
secalonic	Root length measurements
selenium	Data from toxicology experiments with selenium
simDR	Simulating ED values under various scenarios
spinach	Inhibition of photosynthesis
summary.drc	Summarising non-linear model fits

-- T --

terbuthylazin	The effect of terbuthylazin on growth rate
twophase	Two-phase dose-response model

-- U --

ucedergreen	The Cedergreen-Ritz-Streibig model
UCRS.4a	The Cedergreen-Ritz-Streibig model
UCRS.4b	The Cedergreen-Ritz-Streibig model
UCRS.4c	The Cedergreen-Ritz-Streibig model
UCRS.5a	Cedergreen-Ritz-Streibig dose-reponse model for describing hormesis
UCRS.5b	Cedergreen-Ritz-Streibig dose-reponse model for describing hormesis
UCRS.5c	Cedergreen-Ritz-Streibig dose-reponse model for describing hormesis
uml3a	The Cedergreen-Ritz-Streibig model
uml3b	The Cedergreen-Ritz-Streibig model
uml3c	The Cedergreen-Ritz-Streibig model
uml4a	Cedergreen-Ritz-Streibig dose-reponse model for describing hormesis
uml4b	Cedergreen-Ritz-Streibig dose-reponse model for describing hormesis
uml4c	Cedergreen-Ritz-Streibig dose-reponse model for describing hormesis
update.drc	Updating and re-fitting a model
ursa	Model function for the universal response surface approach (URSA) for the quantitative assessment of drug interaction

-- V --

vcov.drc	Calculating variance-covariance matrix for objects of class 'drc'
vinclozolin	Vinclozolin from AR in vitro assay

-- W --

W1.2	The two-parameter Weibull functions
W1.3	The three-parameter Weibull functions
W1.3u	The three-parameter Weibull functions
W1.4	The four-parameter Weibull functions
w2	The two-parameter Weibull functions
W2.2	The two-parameter Weibull functions
W2.3	The three-parameter Weibull functions
W2.3u	The three-parameter Weibull functions
W2.4	The four-parameter Weibull functions
W2x.3	The three-parameter Weibull functions
W2x.4	The four-parameter Weibull functions
w3	The three-parameter Weibull functions
w4	The four-parameter Weibull functions
weibull1	Weibull model functions
weibull2	Weibull model functions
weibull2x	Weibull model functions

-- Y --

yieldLoss

Calculating yield loss parameters