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NPCirc (version 3.1.2)

Nonparametric Circular Methods

Description

Nonparametric smoothing methods for density and regression estimation involving circular data, including the estimation of the mean regression function and other conditional characteristics.

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Version

Install

install.packages('NPCirc')

Monthly Downloads

281

Version

3.1.2

License

GPL (>= 2)

Maintainer

Mareda Alonso-Pena

Last Published

November 12th, 2025

Functions in NPCirc (3.1.2)

circsizer.regression

CircSiZer map for regression
bw.rt

Rule of thumb
circ.local.lik

Local likelihood estimation for regression with circular covariate
circsizer.map

CircSiZer map
bw.reg.circ.lin

Cross-validation rule for circular regression estimation
bw.pi

Plug--in rule
cross.beds2

Cross-beds (II)
cross.beds1

Cross-beds azimuths (I)
cycle.changes

Cycle changes
circsizer.density

CircSiZer map for density
dwsn

Wrapped skew-Normal density function
kern.dpreg.circ

Joint kernel estimation of mean and dispersion functions in circular double Poisson models
modalreg.circ.lin

Circular multimodal regression estimation
dpreg.circ

Joint parametric estimation of mean and dispersion functions in circular double Poisson models
kern.reg.circ.lin

Nonparametric regression estimation for circular data
flywheels

Flywheel measurements
lines.regression.circular

Add a plot for circular regression
dcircmix

Mixtures of circular distributions
kern.den.circ

Kernel density derivative estimate for circular data
dragonfly

Orientations of dragonflies
wind

Wind direction data
sandhoppers

Behavioral plasticity of Talitrus saltator and Talorchestia brito
speed.wind

Wind speed and wind direction data
pm10

Pm10 particles in Pontevedra, Spain
noeffect.circ.lin

No-effect test for regression with circular data
periwinkles

Orientations of dragonflies
temp.wind

Temperature and wind direction data
zebrafish

Zebrafish
plot.regression.circular

Plot circular regression
spikes

Neuronal spikes in a macaque monkey
bw.boot

Bootstrap method
bw.modalreg.circ.lin

Smoothing parameter selection for circular multimdodal regression
bw.joint.dpcirc

Smoothing parameter selection for circular double Poisson regression
bw.circ.local.lik

Smoothing parameter selection for circular local likelihood regression
NPCirc-package

Nonparametric circular methods.
bw.AA

Direct and solve-the-equation plug-in rule
NPCirc-internal

Internal NPCirc Functions
bw.CV

Cross-validation for density estimation
HumanMotorResonance

Human motor resonance data
ancova.circ.lin

Nonparametric analysis of covariance tests for circular regression