| Arotation | Rotation axis and angle of rotation given a rotation matrix |
| bic.mixvmf | BIC to choose the number of components in a model based... |
| circ.cor1 | Circular correlations between two circular variables |
| circ.cors1 | Circular correlations between two circular variables |
| circ.dcor | Circular distance correlation between two circular variables |
| circlin.cor | Circular-linear correlation |
| circ.summary | Summary statistics for circular data |
| colspml.mle | Column-wise MLE of the angular Gaussian and the von Mises... |
| colwatsons | Column-wise uniformity tests for circular data |
| conc.test | A test for testing the equality of the concentration... |
| cosap | Conversion of cosines to azimuth and plunge |
| cosnn | The k-nearest neighbours using the cosinus distance |
| desag | Density of the spherical ESAG and Kent distributions |
| dirda.cv | Cross validation for estimating the classification rate |
| Directional-package | This is an R package that provides methods for the... |
| dirknn | k-NN algorithm using the arc cosinus distance |
| dirknn.tune | k-NN algorithm using the arc cosinus distance. Tuning the k... |
| dmixvmf | Density of a mixture of von Mises-Fisher distributions |
| dsespc | Density of the SESPC distribution |
| dvm | Density of some circular distributions |
| dvmf | Density of some (hyper-)spherical distributions |
| dwood | Density of the Wood bimodal distribution on the sphere |
| esag.contour | Contour plot (on the plane) of the ESAG and Kent and ESAG... |
| esag.da | Cross validation for estimating the classification rate of a... |
| esagda.pred | Prediction of a new observation using discriminant analysis... |
| esag.mle | MLE of the ESAG distribution |
| esag.reg | Spherical regression using the ESAG distribution |
| etoa | Transform unit vectors to angular data |
| euclid | Euclidean transformation |
| euclid.inv | Inverse of the Euclidean transformation |
| eul2rot | Construct a rotation matrix on SO(3) from the Euler angles. |
| fb.saddle | Saddlepoint approximations of the Fisher-Bingham... |
| fishkent | Hypothesis test for von Mises-Fisher distribution over Kent... |
| f.rbing | Simulating from a Bingham distribution |
| group.gof | Goodness of fit test for grouped data |
| group.vm | Summary statistics for grouped circular data |
| habeck.rot | Generation of three-dimensional random rotations using... |
| haversine.dist | Harvesine distance matrix |
| hcf.aov | Analysis of variance for (hyper-)spherical data |
| hcfboot | Bootstrap ANOVA for (hyper-)spherical data |
| hcf.boot | Bootstrap 2-sample mean test for (hyper-)spherical data |
| hcf.circaov | Analysis of variance for circular data |
| hcfcircboot | Bootstrap ANOVA for circular data |
| hcfcirc.boot | Bootstrap 2-sample mean test for circular data |
| hcfcirc.perm | Permutation based 2-sample mean test for circular data |
| hcf.perm | Permutation based 2-sample mean test for (hyper-)spherical... |
| iagesag | Hypothesis test for IAG distribution over the ESAG... |
| iag.reg | Spherical regression using rotationally symmetric... |
| kent.logcon | Logarithm of the Kent distribution normalizing constant |
| kent.mle | MLe of the Kent distribution |
| knn.reg | k-NN regression with Euclidean or (hyper-)spherical response... |
| knnreg.tune | Tuning of the k-NN regression with Euclidean or... |
| kuiper | Uniformity tests for circular data. |
| lambert | Lambert's equal area projection |
| lambert.inv | Inverse of Lambert's equal area projection |
| makefolds | Generate random folds for cross-validation |
| matrixfisher.mle | MLE of the Matrix Fisher distribution on SO(3) |
| meandir.test | Test for a given mean direction |
| mediandir | Fast calculation of the spherical and hyperspherical median |
| mixvmf.contour | Contour plot of a mixture of von Mises-Fisher distributions... |
| mixvmf.mle | Mixtures of Von Mises-Fisher distributions |
| multivm.mle | MLE of some circular distributions with multiple samples |
| nsmedian | Normalised spatial median for directional data |
| oceania | maps of the world and the continents |
| pcircexp | Probability density function of the circular (wrapped)... |
| pcircpurka | Probability density function of the circular Purkayastha... |
| pc.test | Hypothesis test for SIPC distribution over the SESPC... |
| ptest | Projections based test of uniformity |
| purka.da | Cross validation for estimating the classification rate of a... |
| purkada.pred | Prediction of a new observation using discriminant analysis... |
| purka.mle | MLE of the Purkayashta distribution |
| pvm | Probability density function of the von Mises-Fisher... |
| quat2rot | Converting an unsigned unit quaternion to rotation matrix on... |
| racg | Angular central Gaussian random values simulation |
| rayleigh | Rayleigh's test of uniformity |
| rbingham | Simulation from a Bingham distribution using any symmetric... |
| read.fbm | Read a file as a Filebacked Big Matrix |
| resag | Simulation of random values from the ESAG distribution |
| rfb | Simulation of random values from a spherical Fisher-Bingham... |
| rkent | Simulation of random values from a spherical Kent... |
| rmatrixfisher | Simulation from a Matrix Fisher distribution on SO(3) |
| rmixvmf | Simulation of random values from a mixture of von... |
| rot2eul | Compute the Euler angles from a rotation matrix on SO(3). |
| rot2quat | Converting a rotation matrix on SO(3) to an unsigned unit... |
| rotation | Rotation matrix to rotate a spherical vector along the... |
| rot.matrix | Rotation matrix from a rotation axis and angle of rotation |
| rsespc | Simulation of random values from the SESPC distribution |
| rsop | Random sample of matrices in SO(p) |
| rvmf | Simulation of random values from rotationally symmetric... |
| rvonmises | Simulation of random values from some circular distributions |
| sespc.mle | MLE of the SESPC distribution |
| sespc.reg | Spherical regression using the SESPC distribution |
| spherconc.test | Test for equality of concentration parameters for spherical... |
| spher.cor | Spherical-spherical correlation |
| spher.dcor | Spherical and hyper-spherical distance correlation |
| sphereplot | Interactive 3D plot of spherical data |
| spher.esag.contour | Contour plot (on the sphere) of the ESAG and Kent... |
| spher.mixvmf.contour | Contour plot (on the sphere) of a mixture of von Mises-Fisher... |
| spher.reg | Spherical-Spherical regression |
| spher.sespc.contour | Contour plot (on the sphere) of the SESPC distribution |
| spher.vmf.contour | Contour plot (on the sphere) of some spherical rotational... |
| spml.fbed | Forward Backward Early Dropping selection for circular data... |
| spml.mle | MLE of some circular distributions |
| spml.reg | Circular or angular regression |
| spml.regs | Many simple circular or angular regressions |
| tang.conc | A test for testing the equality of the concentration... |
| vec | Generation of unit vector(s) with a given angle |
| visual.check | Check visually whether matrix Fisher samples is correctly... |
| vmf.contour | Contour plots of some rotational symmetric distributions |
| vmf.da | Cross validation for estimating the classification rate of a... |
| vmfda.pred | Prediction of a new observation using discriminant analysis... |
| vmf.kde | Kernel density estimation for (hyper-)spherical data using a... |
| vmfkde.tune | Tuning of the bandwidth parameter in the von Mises-Fisher... |
| vmf.kerncontour | Contour plot of spherical data using a von Mises-Fisher... |
| vmf.mle | MLE of (hyper-)spherical rotational symmetric distributions |
| vm.kde | Kernel density estimation of circular data with a von Mises... |
| vmkde.tune | Tuning of the bandwidth parameter in the von Mises kernel for... |
| vm.nb | Naive Bayes classifiers for directional data |
| vmnb.pred | Prediction with some naive Bayes classifiers for circular... |
| wood.mle | MLE of the Wood bimodal distribution on the sphere |
