# Analysis and Visualization of Circular Data

## Documentation for package ‘circumplex’ version 2.0.0

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

## Help Pages

anchors | Display the anchors of a circumplex instrument
angle_unwrap | Unwrap a sequence of angles onto a continuous branch
aw2009 | Standardized octant scores on hypothetical circumplex scales
axes_reliability | Reliability of the circumplex axes (Strack, Jacobs & Grosse Holtforth, 2013)
coord_circumplex | Circumplex coordinate system
cpm_fit | Fit Browne's circular stochastic process model (circumplex fit statistics)
cpm_simulate | Simulate data from a fitted circular process model
fit_structure | Evaluate circumplex structure (Acton & Revelle, 2004)
geom_ssm_arc | Draw SSM confidence-region arcs in circumplex space
geom_ssm_path | Draw a profile's movement across occasions in circumplex space
geom_ssm_point | Draw SSM profile points in circumplex space
ggcircumplex | Create a circumplex plotting canvas
html_render | Format and render data frame as HTML table
instruments | List all available instruments
ipsatize | Ipsatize circumplex items using deviation scoring across variables
items | Display the items of a circumplex instrument
jz2017 | Raw octant scores on real circumplex scales with covariates
norms | Display the norms for a circumplex instrument
norm_standardize | Standardize circumplex scales using normative data
octants | Angular displacements for octant circumplex scales
PANO | Two-letter abbreviations for octant circumplex scales
plot.circumplex_ci_accuracy | Plot SSM CI accuracy across the amplitude ladder
plot.circumplex_cpm | Plot a circular process model fit
plot.circumplex_structure | Plot a circumplex-structure configuration
poles | Angular displacements for pole circumplex scales
print.circumplex_axes_reliability | Print circumplex axes-reliability results
print.circumplex_cpm | Print a circular process model fit
print.circumplex_structure | Print circumplex-structure test results
quadrants | Angular displacements for quadrant circumplex scales
raw_iipsc | Raw item responses on real circumplex scales
scales | Display the scales of a circumplex instrument
scale_x_circumplex | Angle-labeled x-axis scale for circumplex plots
score | Score circumplex scales from item responses
self_standardize | Standardize circumplex scales using sample data
simulated_items | Simulated item responses on octant circumplex scales
ssm_analyze | Perform analyses using the Structural Summary Method
ssm_analyze_long | Perform SSM analyses on long-format repeated-measures data
ssm_ci_accuracy | Assess the accuracy of SSM confidence intervals by simulation
ssm_draws | Summarize posterior draws as SSM parameters
ssm_parameters | Calculate Structural Summary Method parameters for a set of scores
ssm_parameters_id | Calculate SSM parameters for each person
ssm_plot_circle | Create a Circular Plot of SSM Results
ssm_plot_contrast | Create a Difference Plot of SSM Contrast Results
ssm_plot_curve | Create a Curve Plot of SSM Results
ssm_plot_trajectory | Create a Trajectory Plot of SSM Results Over Time
ssm_plot_trajectory.circumplex_ssm | Create a Trajectory Plot of SSM Results Over Time
ssm_plot_trajectory.data.frame | Create a Trajectory Plot of SSM Results Over Time
ssm_plot_trajectory.default | Create a Trajectory Plot of SSM Results Over Time
ssm_score | Calculate SSM parameters by row and add results as new columns
ssm_sem | Perform SEM-based (latent-variable) SSM analyses
ssm_sem_parameters | Calculate latent SSM parameters from a fitted lavaan measurement model
ssm_sem_syntax | Generate lavaan syntax for a fixed-angle circumplex measurement model
ssm_table | Create HTML table from SSM results or contrasts
summary.circumplex_axes_reliability | Summarize circumplex axes-reliability results
summary.circumplex_ci_accuracy | Summarize the accuracy of SSM confidence intervals
summary.circumplex_cpm | Summarize a circular process model fit
summary.circumplex_ssm_id | Summarize per-person SSM parameters at the group level
summary.circumplex_structure | Summarize circumplex-structure test results
theme_circumplex | Circumplex canvas theme