| 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 |