# Analyzing the Orientation of Maximum Horizontal Stress

## Documentation for package ‘tectonicr’ version 0.4.8

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

## Help Pages

A C D E G H I K L M N O P Q R S T V W

## -- A --

abs_vel | Absolute Plate Velocity
angle-conversion | Degrees to Radians
angle_vectors | Angle Between Two Vectors
atan2d_spec | Quadrant-specific inverse of the tangent
atan2_spec | Quadrant-specific inverse of the tangent
axes | Plot axes
axial_dispersion | Decomposition of Orientation Tensor in 2D
axial_strength | Decomposition of Orientation Tensor in 2D

## -- C --

cartesian_to_geographical | Coordinate Transformations
cartesian_to_spherical | Coordinate Transformations
circle_mean_diff | Circular Mean Difference
circle_stats | Summary Statistics of Circular Data
circular_dispersion | Circular Distance and Dispersion
circular_dispersion_boot | Bootstrapped Estimates for Circular Dispersion
circular_distance | Circular Distance and Dispersion
circular_IQR | Summary Statistics of Circular Data
circular_mean | Summary Statistics of Circular Data
circular_mean_difference | Circular Mean Difference
circular_mean_difference_alt | Circular Mean Difference
circular_median | Summary Statistics of Circular Data
circular_mode | Circular Mode
circular_qqplot | Quantile-Quantile Linearised Plot for Circular Distributions
circular_quantiles | Summary Statistics of Circular Data
circular_range | Circular Range
circular_sample_median | Sample Circular Median and Deviation
circular_sample_median_deviation | Sample Circular Median and Deviation
circular_sd | Summary Statistics of Circular Data
circular_sd2 | Circular Distance and Dispersion
circular_sd_error | Standard Error of Mean Direction of Circular Data
circular_summary | Circular Summary Statistics
circular_var | Summary Statistics of Circular Data
compact-grid | Compact Smoothed Stress Field
compact_grid | Compact Smoothed Stress Field
compact_grid2 | Compact Smoothed Stress Field
confidence | Confidence Interval around the Mean Direction of Circular Data after Batschelet (1971)
confidence_angle | Confidence Interval around the Mean Direction of Circular Data after Batschelet (1971)
confidence_interval | 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)
coordinates | Coordinate Transformations
coordinates2 | Coordinate Transformations
coordinate_mod | Coordinate Correction
cpm_models | Global model of current plate motions

## -- D --

data2PoR | Transforms coordinates and azimuths into PoR coordinates system
deg2rad | Degrees to Radians
deviation_norm | Normalize Angle Between Two Directions
deviation_shmax | Deviation of Observed and Predicted Directions of Maximum Horizontal Stress
dispersion | Circular Distance and Dispersion
distance_binned_stats | Distance Binned Summary Statistics
distance_from_pb | Distance from plate boundary
dist_greatcircle | Distance between points
download_WSM | World Stress Map Database (WSM)
download_WSM2016 | World Stress Map Database (WSM)
dvm | The von Mises Distribution

## -- E --

earth_radius | Earth's radius in km
equivalent_rotation | Equivalent rotation
est.kappa | Concentration parameter of von Mises distribution
est.kappa.MLE | Concentration parameter of von Mises distribution
estimate-kappa | Concentration parameter of von Mises distribution
eulerpole_greatcircles | Theoretical Plate Tectonic Stress Paths
eulerpole_loxodromes | Theoretical Plate Tectonic Stress Paths
eulerpole_paths | Theoretical Plate Tectonic Stress Paths
eulerpole_smallcircles | Theoretical Plate Tectonic Stress Paths
euler_pole | Euler pole object

## -- G --

geographical_to_cartesian | Coordinate Transformations
geographical_to_PoR | Conversion between spherical PoR to geographical coordinate system
geographical_to_spherical | Coordinate Transformations
geom_azimuth | Azimuth visualization
geom_azimuthpoint | Azimuth + point visualization
get_azimuth | Azimuth Between two Points

## -- H --

haversine | Angle along great circle on spherical surface

## -- I --

iceland | Example crustal stress dataset
import_WSM | World Stress Map Database (WSM)
is.euler | Check if object is euler.pole

## -- K --

kuiper_test | Kuiper Test of Circular Uniformity

## -- L --

latitude_modulo | Coordinate Correction
lines_azimuths | Extract azimuths of line segments
line_azimuth | Extract azimuths of line segments
load_WSM | World Stress Map Database (WSM)
load_WSM2016 | World Stress Map Database (WSM)
longitude_modulo | Coordinate Correction

## -- M --

mean_resultant_length | Mean Resultant Length
model_shmax | Theoretical Direction of Maximum Horizontal Stress in the geographical reference system.

## -- N --

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

## -- O --

ort-eigen | Decomposition of Orientation Tensor in 2D
ortensor2d | Orientation Tensor
orthodrome | Angle along great circle on spherical surface
ot_eigen2d | Decomposition of Orientation Tensor in 2D

## -- P --

parse_wsm | Numerical values to World Stress Map Quality Ranking
parse_wsm_quality | 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
PoR2Geo_azimuth | Azimuth Conversion From PoR to Geographical Coordinate Reference System
PoR_azi | Azimuth Conversion from Geographical to PoR Coordinate Reference System
PoR_azimuth | 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_shmax | Azimuth Conversion from Geographical to PoR Coordinate Reference System
PoR_stress2grid | Spatial Interpolation of SHmax in PoR Coordinate Reference System
PoR_stress2grid_stats | Spatial Interpolation of SHmax in PoR Coordinate Reference System
PoR_to_geographical | Conversion between spherical PoR to geographical coordinate system
por_transformation | Conversion between spherical PoR to geographical coordinate system
prd_err | Error of Model's Prediction
principal_direction | Decomposition of Orientation Tensor in 2D
projected_pb_strike | Strike of the plate boundary projected on data point
pvm | The von Mises Distribution

## -- Q --

quantise_wsm_quality | Numerical values to World Stress Map Quality Ranking
quaternion | Relative rotation between two rotations
quick_plot | Plotting Stress Analysis Results
qvm | The von Mises Distribution

## -- R --

rad2deg | Degrees to Radians
rayleigh_test | Rayleigh Test of Circular Uniformity
relative_rotation | Relative rotation between two rotations
rolling_test | Apply Rolling Functions using Circular Statistical Tests for Uniformity
roll_circstats | Apply Rolling Functions using Circular Statistics
roll_confidence | Apply Rolling Functions using Circular Statistical Tests for Uniformity
roll_dispersion | Apply Rolling Functions using Circular Statistical Tests for Uniformity
roll_dispersion_CI | Apply Rolling Functions using Circular Statistical Tests for Uniformity
roll_dispersion_sde | Apply Rolling Functions using Circular Statistical Tests for Uniformity
roll_normchisq | Apply Rolling Functions using Circular Statistical Tests for Uniformity
roll_rayleigh | Apply Rolling Functions using Circular Statistical Tests for Uniformity
rose | Rose Diagram
rose_fan | Direction Lines and Fans in Circular Diagram
rose_geom | Direction Lines and Fans in Circular Diagram
rose_line | Direction Lines and Fans in Circular Diagram
rose_stats | Show Average Direction and Spread in Rose Diagram
rotation | Relative rotation between two rotations
rvm | The von Mises Distribution

## -- S --

sample_circular_dispersion | Sample circular dispersion
sample_circular_distance | Sample circular dispersion
sample_circular_variance | Sample circular dispersion
sample_dispersion | Sample circular dispersion
sample_median | Sample Circular Median and Deviation
san_andreas | Example crustal stress dataset
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
spherical_to_cartesian | Coordinate Transformations
spherical_to_geographical | Coordinate Transformations
stress2grid | Spatial Interpolation of SHmax
stress2grid_stats | 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

## -- T --

tectonicr.colors | Colors for input variables
tibet | Example crustal stress dataset

## -- V --

vcross | Vector cross product
vincenty | Angle along great circle on spherical surface
vm_qqplot | von Mises Quantile-Quantile Plot
vonmises | The von Mises Distribution

## -- W --

watson_test | Watson's U^2 Test of Circular Uniformity
weighted_rayleigh | Weighted Goodness-of-fit Test for Circular Data
weighting | Weighting Factors