Analysis of dose-response curves

Documentation for package ‘drc’ version 1.8-1

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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.
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 --

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
beetGrowth	Example of plant growth curve from Covarelli and Onofri (1998)
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
coef.drc	Extract Model Coefficients
compParm	Comparison of parameters
confint.drc	Confidence Intervals for model parameters
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
deguelin	Deguelin applied to chrysanthemum aphis
diagnostics	Information on estimation
drm	Fitting dose-response models
drmc	Sets control arguments

-- E --

earthworms	Earthworm toxicity test
ecvam	Continuous data from ECVAM
ED	Estimating effective doses
ED.drc	Estimating effective doses
ED.mrdrc	Estimating effective doses
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
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
gompGrowth.1	Gompertz growth models
gompGrowth.2	Gompertz growth models
gompGrowth.3	Gompertz growth models

-- H --

H.virescens	Mortality of tobacco budworms
heartrate	Heart rate baroreflexes for rabbits

-- I --

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	Isobutylalcohol in nutrient solution in which lettuce plants were grown
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
methionine	Weight gain for different methionine sources
mixdrc	Fitting multiple dose-response curves with random effects
mixture	Fitting 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	Checking the model fot
mr.test	Mizon-Richard test for dose-response models
mrdrm	Model-robust dose-response modelling
mselect	Model selection
multdrc	Fitting dose-response models

-- 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

-- 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 curves for a 'drc' or 'mrdrc' object
plot.mrdrc	Plotting fitted curves for a 'drc' or 'mrdrc' object
PR	Expected or predicted response
predict.drc	Prediction
predict.mrdrc	Prediction
print.drc	Printing key features
print.mrdrc	Printing key features
print.summary.drc	Printing summary of non-linear model fits

-- R --

rdrm	Simulating a dose-response curve
relpot	Comparing selectivity indices across curves
residuals.drc	Extracting residuals from 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
SI	Comparing selectivity indices across curves
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

-- 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
w3	The three-parameter Weibull functions
w4	The four-parameter Weibull functions
weibull1	Weibull model functions
weibull2	Weibull model functions

-- Y --

yieldLoss

Calculating yield loss parameters