| NPCirc-package | Nonparametric circular methods. |
| ancova.circ.circ | Nonparametric analysis of covariance tests for circular regression |
| ancova.circ.lin | Nonparametric analysis of covariance tests for circular regression |
| ancova.lin.circ | Nonparametric analysis of covariance tests for circular regression |
| bw.boot | Bootstrap method |
| bw.CV | Cross-validation for density estimation |
| bw.pi | Plug-in rule |
| bw.reg.circ.circ | Cross-validation rule for circular regression estimation |
| bw.reg.circ.lin | Cross-validation rule for circular regression estimation |
| bw.reg.lin.circ | Cross-validation rule for circular regression estimation |
| bw.rt | Rule of thumb |
| circsizer.density | CircSiZer map for density |
| circsizer.map | CircSiZer map |
| circsizer.regression | CircSiZer map for regression |
| cross.beds1 | Cross-beds azimuths (I) |
| cross.beds2 | Cross-beds (II) |
| cycle.changes | Cycle changes |
| dcircmix | Mixtures of circular distributions |
| dragonfly | Orientations of dragonflies |
| dwsn | Wrapped skew-Normal density function |
| kern.den.circ | Nonparametric circular kernel density estimation |
| kern.reg.circ.circ | Nonparametric regression estimation for circular data |
| kern.reg.circ.lin | Nonparametric regression estimation for circular data |
| kern.reg.lin.circ | Nonparametric regression estimation for circular data |
| lines.regression.circular | Add a plot for circular regression |
| noeffect.circ.circ | No-effect test for regression with circular data |
| noeffect.circ.lin | No-effect test for regression with circular data |
| noeffect.lin.circ | No-effect test for regression with circular data |
| NPCirc | Nonparametric circular methods. |
| periwinkles | Orientations of dragonflies |
| plot.regression.circular | Plot circular regression |
| print.circsizer | CircSiZer map for density |
| print.regression.circular | Nonparametric regression estimation for circular data |
| rcircmix | Mixtures of circular distributions |
| rwsn | Wrapped skew-Normal density function |
| speed.wind | Wind speed and wind direction data |
| speed.wind2 | Wind speed and wind direction data |
| temp.wind | Temperature and wind direction data |
| wind | Wind direction data |