CircNNTSRSymmetric-package
                        CircNNTSRSymmetric: An R Package for the
                        statistical analysis of circular data using
                        symmetric nonnegative trigonometric sums (NNTS)
                        models. Fernández-Durán, J.J.,
                        Gregorio-Domínguez, M.M. (2025). Multimodal
                        Symmetric Circular Distributions Based on
                        Nonnegative Trigonometric Sums and a Likelihood
                        Ratio Test for Reflective Symmetry,
                        arXiv:2412.19501 [stat.ME] (available at
                        https://arxiv.org/abs/2412.19501)
nntsmanifoldnewtonestimationgradientstop
                        Parameter estimation for NNTS distributions
                        with gradient stop
nntsmanifoldnewtonestimationsymmetry
                        Parameter estimation for NNTS symmetric
                        distributions
nntsmanifoldnewtonestimationsymmetryknownsymmetryanglemu
                        Parameter estimation for NNTS symmetric
                        distributions
nntsmeasureslocationdispersion
                        Moments of an NNTS density
samplecircularskewness
                        Calculation of the Sample Skewness
