# A 'ggplot2' Extension for Circular and Directional Data

## Documentation for package ‘ggcircular’ version 0.1.0

- DESCRIPTION file
- User guides, package vignettes and other documentation
- Package NEWS
- Package README

## Help Pages

angular_difference | Signed angular difference
angular_distance | Circular angular distance
animal_steps | Simulated animal movement steps
as_circular_draws | Convert posterior draws to circular draws
as_step_data | Coerce to step data
augment_circular | Circular model helper generics
augment_momentuHMM_angles | Augment momentuHMM fits with angular states
autoplot_circular | Autoplot circular data
autoplot_circular_draws | Autoplot circular posterior draws
axial_orientations | Simulated axial orientations
cartesian_to_spherical | Convert Cartesian coordinates to spherical coordinates
check_angle | Check an angle vector
circular_mean_ci | Confidence interval for a circular mean
circular_model_diagnostics | Circular model diagnostics
circular_residuals | Circular residuals for angular models
circular_sd | Circular standard deviation
circular_summary | Summarize circular data
circular_variance | Circular variance
compass_to_rad | Convert compass labels to radians
compute_bearing | Compute bearings
compute_step_length | Compute step lengths
compute_turn_angle | Compute turn angles
coord_circular | Circular coordinate system
deg_to_rad | Convert degrees to radians
estimate_kappa | Estimate von Mises concentration
fit_vonmises_mixture | Fit a mixture of von Mises distributions
geom_circular_density | Circular density layer
geom_circular_interval | Circular confidence arc
geom_circular_point | Circular point and rug helpers
geom_circular_rug | Circular point and rug helpers
geom_confidence_arc | Circular confidence arc
geom_direction_arrow | Direction arrows
geom_mean_direction | Mean direction layer
geom_rose | Rose diagram layer
glance_circular | Circular model helper generics
hourly_activity | Simulated hourly activity
hour_to_rad | Convert hours to radians
is_angle | Test whether an object can represent angles
mean_direction | Circular mean direction
mean_resultant_length | Mean resultant length
mutate_directional_features | Add directional movement features
normalize_angle | Normalize angles to a periodic interval
plot_state_angles | Plot angular distributions by state
rad_to_compass | Convert radians to compass labels
rad_to_deg | Convert radians to degrees
rad_to_hour | Convert radians to hours
rayleigh_test | Rayleigh test for circular uniformity
resultant_length | Resultant length
scale_x_circular_compass | Circular x scales
scale_x_circular_degrees | Circular x scales
scale_x_circular_hours | Circular x scales
scale_x_circular_radians | Circular x scales
spherical_summary | Summarize spherical directions
spherical_to_cartesian | Convert spherical coordinates to Cartesian coordinates
stat_circular_density | Circular density statistic
stat_circular_test | Annotate circular tests
stat_mean_direction | Mean direction statistic
stat_rose | Rose diagram statistic
stat_uniform_circular | Theoretical von Mises density
stat_vonmises | Theoretical von Mises density
stat_vonmises_fit | Fitted von Mises density
stat_vonmises_mixture | Von Mises mixture density layer
stat_wrapped_normal | Theoretical von Mises density
summarise_circular_draws | Summarize circular posterior draws
theme_circular | Circular plot themes
theme_compass | Circular plot themes
theme_rose | Circular plot themes
tidy_circular | Circular model helper generics
watson_williams_test | Watson-Williams test for equal circular means
wind_directions | Simulated wind directions