Man pages for Directional
A Collection of Functions for Directional Data Analysis

ArotationRotation axis and angle of rotation given a rotation matrix
bic.mixvmfBIC to choose the number of components in a model based...
circ.cor1Circular correlations between two circular variables
circ.cors1Circular correlations between two circular variables
circlin.corCircular-linear correlation
circ.summarySummary statistics for circular data
colspml.mleColumn-wise MLE of the angular Gaussian and the von Mises...
conc.testA test for testing the equality of the concentration...
cosapConversion of cosines to azimuth and plunge
cosnnThe k-nearest neighbours using the cosinus distance
dirda.cvCross validation for estimating the classification rate
Directional-packageThis is an R package that provides methods for the...
dirknnk-NN algorithm using the arc cosinus distance
dirknn.tunek-NN algorithm using the arc cosinus distance. Tuning the k...
dkentDensity of the spherical Kent and ESAG distributions
dvmDensity of some circular distributions
dvmfDensity of some (hyper-)spherical distributions
esag.daCross validation for estimating the classification rate of a...
esagda.predPrediction of a new observation using discriminant analysis...
esag.mleMLE of the ESAG distribution
etoaTransform unit vectors to angular data
euclidEuclidean transformation
euclid.invInverse of the Euclidean transformation
eul2rotConstruct a rotation matrix on SO(3) from the Euler angles.
fb.saddleSaddlepoint approximations of the Fisher-Bingham...
fishkentHypothesis test for von Mises-Fisher distribution over Kent...
f.rbingSimulating from a Bingham distribution
group.gofGoodness of fit test for grouped data
group.vmSummary statistics for grouped circular data
habeck.rotGeneration of three-dimensional random rotations using...
hcf.aovAnalysis of variance for (hyper-)spherical data
hcf.bootBootstrap 2-sample mean test for (hyper-)spherical data
hcf.circaovAnalysis of variance for circular data
hcfcirc.bootBootstrap 2-sample mean test for circular data
hcfcirc.permPermutation based 2-sample mean test for circular data
hcf.permPermutation based 2-sample mean test for (hyper-)spherical...
iagesagHypothesis test for IAG distribution over the ESAG...
iag.regSpherical regression using the projected normal or the von...
kent.contourContour plot of the Kent distribution without any data
kent.datacontourContour plot of the Kent distribution for some data
kent.logconLogarithm of the Kent distribution normalizing constant
kent.mleMLe of the Kent distribution
knn.regk-NN regression with Euclidean or (hyper-)spherical response...
knnreg.tuneTuning of the k-NN regression with Euclidean or...
kuiperUniformity tests for circular data.
lambertLambert's equal area projection
lambert.invInverse of Lambert's equal area projection
makefoldsGenerate random folds for cross-validation
matrixfisher.mleMLE of the Matrix Fisher distribution on SO(3)
meandir.testTest for a given mean direction
mediandirFast calculation of the spherical and hyperspherical median
mixvmf.contourContour plot of a mixture of von Mises-Fisher distributions...
mixvmf.mleMixtures of Von Mises-Fisher distributions
multivm.mleMLE of some circular distributions with multiple samples
nsmedianNormalised spatial median for directional data
oceaniamaps of the world and the continents
purka.mleMLE of the Purkayashta distribution
pvmProbability density function of the von Mises-Fisher...
quat2rotConverting an unsigned unit quaternion to rotation matrix on...
racgAngular central Gaussian random values simulation
rayleighRayleigh's test of uniformity
rbinghamSimulation from a Bingham distribution using any symmetric...
read.fbmRead a file as a Filebacked Big Matrix
resagRandom values generation from the ESAG distribution
rfbSimulation of random values from a spherical Fisher-Bingham...
rkentSimulation of random values from a spherical Kent...
rmatrixfisherSimulation from a Matrix Fisher distribution on SO(3)
rmixvmfRandom values simulation from a mixture of von Mises-Fisher...
rot2eulCompute the Euler angles from a rotation matrix on SO(3).
rot2quatConverting a rotation matrix on SO(3) to an unsigned unit...
rotationRotation matrix to rotate a spherical vector along the...
rot.matrixRotation matrix from a rotation axis and angle of rotation
rsopRandom sample of matrices in SO(p)
rvmfSimulation of random values from rotationally symmetric...
rvonmisesRandom values simulation from some circular distributions
spherconc.testTest for equality of concentration parameters for spherical...
spher.corSpherical-spherical correlation
sphereplotInteractive 3D plot of spherical data
spher.regSpherical-Spherical regression
spml.fbedForward Backward Early Dropping selection for circular data...
spml.mleMLE of some circular distributions
spml.regCircular or angular regression
spml.regsMany simple circular or angular regressions
tang.concA test for testing the equality of the concentration...
vecGeneration of unit vector(s) with a given angle
visual.checkCheck visually whether matrix Fisher samples is correctly...
vmf.contourContour plots of the von Mises-Fisher distribution on the...
vmf.daCross validation for estimating the classification rate of a...
vmfda.predPrediction of a new observation using discriminant analysis...
vmf.kdeKernel density estimation for (hyper-)spherical data using a...
vmfkde.tuneTuning of the bandwidth parameter in the von Mises-Fisher...
vmf.kerncontourContour plot of spherical data using a von Mises-Fisher...
vmf.mleMLE of (hyper-)spherical distributions
vm.kdeKernel density estimation of circular data with a von Mises...
vmkde.tuneTuning of the bandwidth parameter in the von Mises kernel for...
vm.nbNaive Bayes classifiers for directional data
vmnb.predPrediction with some naive Bayes classifiers for circular...
wood.mleMLe of the Wood bimodal distribution on the sphere
Directional documentation built on Nov. 8, 2021, 1:07 a.m.