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drc (version 3.0-1)
Analysis of Dose-Response Curves
Description
Analysis of dose-response data is made available through a suite of flexible and versatile model fitting and after-fitting functions.
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3.0-1
2.5-12
2.5-11
2.3-96
2.3-7
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Install
install.packages('drc')
Monthly Downloads
12,425
Version
3.0-1
License
GPL-2 | file LICENCE
Homepage
http://www.r-project.org
Maintainer
Christian Ritz
Last Published
August 29th, 2016
Functions in drc (3.0-1)
Search functions
boxcox.drc
Transform-both-sides Box-Cox transformation
anova.drc
ANOVA for dose-response model fits
leaflength
Leaf length of barley
acidiq
Acifluorfen and diquat tested on Lemna minor.
backfit
Calculation of backfit values from a fitted dose-response model
algae
Volume of algae as function of increasing concentrations of a herbicide
CIcompX
Calculation of combination index for binary mixtures
bread.drc
Bread and meat for the sandwich
auxins
Effect of technical grade and commercially formulated auxin herbicides
chickweed
Germination of common chickweed (
Stellaria media
)
coef.drc
Extract Model Coefficients
compParm
Comparison of parameters
decontaminants
Performance of decontaminants used in the culturing of a micro-organism
deguelin
Deguelin applied to chrysanthemum aphis
comped
Comparison of effective dose values
ED.drc
Estimating effective doses
earthworms
Earthworm toxicity test
daphnids
Daphnia test
drmc
Sets control arguments
confint.drc
Confidence Intervals for model parameters
EDcomp
Comparison of relative potencies between dose-response curves
getInitial
Showing starting values used
fitted.drc
Extract fitted values from model
fplogistic
Fractional polynomial-logistic dose-response models
G.aparine
Herbicide applied to Galium aparine
gaussian
Normal and log-normal biphasic dose-response models
getMeanFunctions
Display available dose-response models
finney71
Example from Finney (1971)
etmotc
Effect of erythromycin on mixed sewage microorganisms
germination
Germination of three crops
lin.test
Lack-of-fit test for the mean structure based on cumulated residuals
hatvalues.drc
Model diagnostics for nonlinear dose-response models
isobole
Creating isobolograms
heartrate
Heart rate baroreflexes for rabbits
lettuce
Hormesis in lettuce plants
logLik.drc
Extracting the log likelihood
lepidium
Dose-response profile of degradation of agrochemical using lepidium
glymet
Glyphosate and metsulfuron-methyl tested on algae.
M.bahia
Effect of an effluent on the growth of mysid shrimp
H.virescens
Mortality of tobacco budworms
maED
Estimation of ED values using model-averaging
MAX
Maximum mean response
mselect
Dose-response model selection
mr.test
Mizon-Richard test for dose-response models
modelFit
Assessing the model fit
nasturtium
Dose-response profile of degradation of agrochemical using nasturtium
metals
Data from heavy metal mixture experiments
mecter
Mechlorprop and terbythylazine tested on Lemna minor
mixture
Fitting binary mixture models
methionine
Weight gain for different methionine sources
predict.drc
Prediction
print.drc
Printing key features
plot.drc
Plotting fitted dose-response curves
neill.test
Neill's lack-of-fit test for dose-response models
spinach
Inhibition of photosynthesis
PR
Expected or predicted response
simDR
Simulating ED values under various scenarios
noEffect
Testing if there is a dose effect at all
searchdrc
Searching through a range of initial parameter values to obtain convergence
S.capricornutum
Effect of cadmium on growth of green alga
print.summary.drc
Printing summary of non-linear model fits
rdrm
Simulating a dose-response curve
secalonic
Root length measurements
selenium
Data from toxicology experiments with selenium
vinclozolin
Vinclozolin from AR in vitro assay
ryegrass
Effect of ferulic acid on growth of ryegrass
W1.4
The four-parameter Weibull functions
ursa
Model function for the universal response surface approach (URSA) for the quantitative assessment of drug interaction
S.alba
Potency of two herbicides
vcov.drc
Calculating variance-covariance matrix for objects of class 'drc'
O.mykiss
Test data from a 21 day fish test
RScompetition
Competition between two biotypes
residuals.drc
Extracting residuals from the fitted dose-response model
P.promelas
Effect of sodium pentachlorophenate on growth of fathead minnow
update.drc
Updating and re-fitting a model
summary.drc
Summarising non-linear model fits