Description
Methods for calculating (usually) accurate numerical first and second order derivatives. Accurate calculations are done using 'Richardson''s' extrapolation or, when applicable, a complex step derivative is available. A simple difference method is also provided. Simple difference is (usually) less accurate but is much quicker than 'Richardson''s' extrapolation and provides a useful cross-check. Methods are provided for real scalar and vector valued functions.
Downloads
563.2K
Last 30 days
112th
2.9M
Last 90 days
6.7M
Last year
Trend: -45.2% (30d vs prior 30d)
CRAN Check Status
2
NOTE
12
OK
Show all 14 flavors
| Flavor | Status |
|---|---|
| r-devel-linux-x86_64-debian-clang | NOTE |
| r-devel-linux-x86_64-debian-gcc | NOTE |
| r-devel-linux-x86_64-fedora-clang | OK |
| r-devel-linux-x86_64-fedora-gcc | OK |
| r-devel-macos-arm64 | OK |
| r-devel-windows-x86_64 | OK |
| r-oldrel-macos-arm64 | OK |
| r-oldrel-macos-x86_64 | OK |
| r-oldrel-windows-x86_64 | OK |
| r-patched-linux-x86_64 | OK |
| r-release-linux-x86_64 | OK |
| r-release-macos-arm64 | OK |
| r-release-macos-x86_64 | OK |
| r-release-windows-x86_64 | OK |
Check details (2 non-OK)
NOTE
r-devel-linux-x86_64-debian-clang
CRAN incoming feasibility
Maintainer: ‘Paul Gilbert <pgilbert.ttv9z@ncf.ca>’
No Authors@R field in DESCRIPTION.
Please add one, modifying
Authors@R: c(person(given = "Paul",
family = "Gilbert",
role = c("aut", "cre"),
email = "pgilbert.ttv9z@ncf.ca"),
person(given = "Ravi",
family = "Varadhan",
role = "aut"))
as necessary.
NOTE
r-devel-linux-x86_64-debian-gcc
CRAN incoming feasibility
Maintainer: ‘Paul Gilbert <pgilbert.ttv9z@ncf.ca>’
No Authors@R field in DESCRIPTION.
Please add one, modifying
Authors@R: c(person(given = "Paul",
family = "Gilbert",
role = c("aut", "cre"),
email = "pgilbert.ttv9z@ncf.ca"),
person(given = "Ravi",
family = "Varadhan",
role = "aut"))
as necessary.
Check History
NOTE 12 OK · 2 NOTE · 0 WARNING · 0 ERROR · 0 FAILURE Mar 10, 2026
NOTE
r-devel-linux-x86_64-debian-clang
CRAN incoming feasibility
Maintainer: ‘Paul Gilbert <pgilbert.ttv9z@ncf.ca>’
No Authors@R field in DESCRIPTION.
Please add one, modifying
Authors@R: c(person(given = "Paul",
family = "Gilbert",
role = c("aut", "cre"),
email = "pgilbert.ttv9z@ncf.ca"),
person(given = "Ravi",
family = "Varadhan",
role = "aut"))
as necessary.
NOTE
r-devel-linux-x86_64-debian-gcc
CRAN incoming feasibility
Maintainer: ‘Paul Gilbert <pgilbert.ttv9z@ncf.ca>’
No Authors@R field in DESCRIPTION.
Please add one, modifying
Authors@R: c(person(given = "Paul",
family = "Gilbert",
role = c("aut", "cre"),
email = "pgilbert.ttv9z@ncf.ca"),
person(given = "Ravi",
family = "Varadhan",
role = "aut"))
as necessary.
Reverse Dependencies (444)
depends
imports
ACDm
ARCensReg
AcceptReject
BAMBI
BEKKs
BIGL
BLA
BLPestimatoR
BayesGP
BayesianTools
BinaryEPPM
CIAAWconsensus
CLVTools
CensSpatial
ClusROC
CompAREdesign
Countr
CountsEPPM
DEBBI
DNAmixturesLite
DemoDecomp
DoubleExpSeq
EKMCMC
EWS
EffectLiteR
Epi
EstimationTools
EventPredInCure
ExtDist
ExtremalDep
FENmlm
GB2
GB2group
GDILM.ME
GDILM.SIR
GDINA
GJRM
GPvam
HDBRR
HydroPortailStats
ICcalib
INLAjoint
IPEC
Infusion
IsoriX
KinMixLite
LCPA
LEdecomp
LMMstar
LaMa
LogisticCopula
LoopDetectR
MIIVsem
MLBC
MNB
MPTinR
MSGARCH
MSTest
MendelianRandomization
MixGHD
MixtureMissing
NFCP
OUwie
PLmixed
PROreg
PSweight
PTSR
PenIC
PracticalEquiDesign
ProbitSpatial
PublicationBiasBenchmark
Qtools
RCTrep
RJafroc
RMM
ROOPSD
RTL
Rchoice
RealVAMS
Renext
RiskMap
RobinCID
RobinCar
RobinCar2
Rphylopars
Rsolnp
SGB
SIRE
SMNlmec
StReg
StableEstim
SurvRegCensCov
TSMSN
TempStable
Temporal
ThresholdROC
UPCM
VCA
WeMix
aghq
aldvmm
algebraic.mle
ameras
antitrust
apollo
auctionr
bayesestdft
bbmle
betaDelta
betaregscale
betaselectr
bizicount
blackbox
brglm2
bvpa
cTMed
chandwich
climwin
cmpp
coconots
cogirt
compositional.mle
condGEE
copula
corHMM
corncob
ctmcd
ctmm
cuRe
curesurv
depCensoring
discfrail
distributional
dsge
dynr
eFCM
elasdics
ememax
emmeans
equateMultiple
ergMargins
eventPred
evmr
evolqg
expertsurv
fEGarch
fastR2
fcirt
fdapace
fdarep
fic
finiteruinprob
fishmethods
fitHeavyTail
fitlandr
fixest
flassomsm
flexCWM
flexFitR
flexhaz
flexrsurv
flexsurv
fmrihrf
footBayes
frailtyEM
frailtySurv
gamCopula
gasmodel
geex
geommc
geostatsp
ggdist
ggvfields
gim
gkwdist
gkwreg
glinvci
glmmFEL
glmmTMB
glmtoolbox
gofCopula
grandR
grmsem
hierSDR
highfrequency
incidental
indelmiss
inferference
invivoPKfit
ivtools
kergp
kinematics
lacm
lamle
lava
lavaan
lax
lbfgsb3c
lcmm
lessSEM
likelihood.contr
likelihood.model
lineagefreq
lmerTest
longevity
lqr
lsbs
marcher
marked
markophylo
maskedcauses
mbmixture
mccmeiv
mecor
merDeriv
metRology
metaSEM
metaplus
mets
mev
mexhaz
mfGARCH
mfp
mhurdle
micsr
midasr
milr
misclassGLM
mixl
mkin
mlrv
mlt
mlt.docreg
momentuHMM
moveHMM
mpath
mrds
multiRec
multicmp
multipleOutcomes
mvglmmRank
mvord
nimble
nlmm
optextras
optimizeR
optimx
ordgam
ordinal
pacotest
pbkrtest
pda
phenofit
phytools
plavaan
pmlsp
powerNLSEM
predictmeans
pspatreg
psychonetrics
ptmixed
puniform
pwr4exp
qgcomp
qgcompint
reservr
reviser
robcat
robmixglm
robustbetareg
robustvarComp
rodd
rstpm2
rugarch
sarima
sars
sdprisk
sensR
seqHMM
sfa
sinar
skewlmm
sklarsomega
slgf
smam
smile
smoothic
sn
sns
spaMM
spant
spldv
spsur
ssmodels
stdReg
survey
svycdiff
tcl
tcpl
tcplfit2
tdsa
temperatureresponse
tfarima
tidydelta
timereg
trajeR
tramME
tsgarch
tsmarch
ttcg
ui
unitquantreg
vcrpart
vici
waydown
xhaz
xmeta
suggests
AgePopDenom
BB
DiceKriging
DoseFinding
GeoModels
INLAvaan
LAM
LMN
LambertW
MetricGraph
NMAR
OpenMx
ROI
RSSL
RTMB
SAMtool
SuperGauss
TMB
VineCopula
adjustedCurves
aster
basefun
betareg
cccp
chainbinomial
cotram
discSurv
diversitree
docopulae
easyViz
ebnm
emdbook
enrichwith
extendedFamily
fdaconcur
fddm
fido
flacco
fntl
gcKrig
glmx
hesim
incubate
lavaSearch2
legion
lfe
lme4
lmls
mantar
marginaleffects
markets
metadat
metarep
miceadds
mig
mlr
msm
mstATA
multiSA
mvtnorm
nieve
nlmrt
nlsic
nlsr
noia
ohenery
optimParallel
pnd
polykde
pso
psqn
psychomix
rSPDE
radEmu
regsem
ridgetorus
riskParityPortfolio
riskRegression
rpf
schumaker
scorematchingad
smooth
smovie
sna
sphunif
statespacer
surveillance
torch
tram
ucminf
Dependency Network
Version History
new
2016.8-1.1
Mar 10, 2026
new
2006.4-1
Apr 11, 2006