PoR2Geo_azimuth         Azimuth Conversion From PoR to Geographical
                        Coordinate Reference System
PoR_azi                 Azimuth Conversion from Geographical to PoR
                        Coordinate Reference System
PoR_coordinates         Coordinates of the Pole of Rotation Reference
                        System
PoR_crs                 PoR coordinate reference system
PoR_distance            Distance to Pole of Rotation
PoR_map                 Map of data in Pole of Rotation reference frame
PoR_stress2grid         Spatial Interpolation of SHmax in PoR
                        Coordinate Reference System
abs_vel                 Absolute Plate Velocity
angle-conversion        Degrees to Radians
angle_vectors           Angle Between Two Vectors
axes                    Plot axes
circle_mean_diff        Circular Mean Difference
circle_stats            Summary Statistics of Circular Data
circular_dispersion_boot
                        Bootstrapped Estimates for Circular Dispersion
circular_mode           Circular Mode
circular_qqplot         Quantile-Quantile Linearised Plot for Circular
                        Distributions
circular_range          Circular Range
circular_sd_error       Standard Error of Mean Direction of Circular
                        Data
circular_summary        Circular Summary Statistics
compact-grid            Compact Smoothed Stress Field
confidence              Confidence Interval around the Mean Direction
                        of Circular Data after Batschelet (1971)
confidence_interval_fisher
                        Confidence Interval around the Mean Direction
                        of Circular Data after Fisher (1993)
coordinate_mod          Coordinate Correction
coordinates             Coordinate Transformations
coordinates2            Coordinate Transformations
cpm_models              Global model of current plate motions
data2PoR                Transforms coordinates and azimuths into PoR
                        coordinates system
deviation_norm          Normalize Angle Between Two Directions
deviation_shmax         Deviation of Observed and Predicted Directions
                        of Maximum Horizontal Stress
dispersion              Circular Distance and Dispersion
dist_greatcircle        Distance between points
distance_binned_stats   Distance Binned Summary Statistics
distance_from_pb        Distance from plate boundary
earth_radius            Earth's radius in km
equivalent_rotation     Equivalent rotation
estimate-kappa          Concentration parameter of von Mises
                        distribution
euler_pole              Euler pole object
geom_azimuth            Azimuth visualization
geom_azimuthpoint       Azimuth + point visualization
get_azimuth             Azimuth Between two Points
import_WSM              World Stress Map Database (WSM)
is.euler                Check if object is euler.pole
kuiper_test             Kuiper Test of Circular Uniformity
line_azimuth            Extract azimuths of line segments
mean_resultant_length   Mean Resultant Length
model_shmax             Theoretical Direction of Maximum Horizontal
                        Stress in the geographical reference system.
norm_chisq              Normalized Chi-Squared Test for Circular Data
nuvel1                  NUVEL-1 Global model of current plate motions
nuvel1_plates           Plate Boundaries on the Earth
ort-eigen               Decomposition of Orientation Tensor in 2D
ortensor2d              Orientation Tensor
parse_wsm               Numerical values to World Stress Map Quality
                        Ranking
pb2002                  Global model of current plate motions
plates                  Plate Boundaries on the Earth
plot_density            Circular Density Plot
plot_points             Add Points to a Circular Plot
por_transformation      Conversion between spherical PoR to
                        geographical coordinate system
prd_err                 Error of Model's Prediction
projected_pb_strike     Strike of the plate boundary projected on data
                        point
quick_plot              Plotting Stress Analysis Results
rayleigh_test           Rayleigh Test of Circular Uniformity
relative_rotation       Relative rotation between two rotations
roll_circstats          Apply Rolling Functions using Circular
                        Statistics
rolling_test            Apply Rolling Functions using Circular
                        Statistical Tests for Uniformity
rose                    Rose Diagram
rose_geom               Direction Lines and Fans in Circular Diagram
rose_stats              Show Average Direction and Spread in Rose
                        Diagram
sample_dispersion       Sample circular dispersion
sample_median           Sample Circular Median and Deviation
second_central_moment   Second Central Momentum
shortest_distance_to_line
                        Shortest distance between pairs of geometries
spec_atan               Quadrant-specific inverse of the tangent
spherical_angle         Angle along great circle on spherical surface
stress2grid             Spatial Interpolation of SHmax
stress_analysis         Quick analysis of a stress data set
stress_colors           Color palette for stress regime
stress_data             Example crustal stress dataset
stress_paths            Theoretical Plate Tectonic Stress Paths
superimposed_shmax      SHmax direction resulting from multiple plate
                        boundaries
superimposed_shmax_PB   SHmax direction resulting from multiple plate
                        boundaries considering distance to plate
                        boundaries
tectonicr.colors        Colors for input variables
vcross                  Vector cross product
vm_qqplot               von Mises Quantile-Quantile Plot
vonmises                The von Mises Distribution
watson_test             Watson's U^2 Test of Circular Uniformity
weighted_rayleigh       Weighted Goodness-of-fit Test for Circular Data
weighting               Weighting Factors
