Package index • circumplex

Instrument Functions

Functions for importing and examining circumplex instruments

Functions for preparing data for analysis

ipsatize(): Ipsatize circumplex items using deviation scoring across variables
score(): Score circumplex scales from item responses
norm_standardize(): Standardize circumplex scales using normative data
self_standardize(): Standardize circumplex scales using sample data

Functions for implementing the Structural Summary Method

ssm_analyze(): Perform analyses using the Structural Summary Method
ssm_analyze_long(): Perform SSM analyses on long-format repeated-measures data
ssm_table(): Create HTML table from SSM results or contrasts
ssm_parameters(): Calculate Structural Summary Method parameters for a set of scores
ssm_parameters_id(): Calculate SSM parameters for each person
summary(<circumplex_ssm_id>): Summarize per-person SSM parameters at the group level
ssm_draws(): Summarize posterior draws as SSM parameters
ssm_score(): Calculate SSM parameters by row and add results as new columns

Latent-variable (disattenuated) SSM via structural equation modeling

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

Functions for evaluating circumplex structure and CI trustworthiness

cpm_fit(): Fit Browne's circular stochastic process model (circumplex fit statistics)
cpm_simulate(): Simulate data from a fitted circular process model
print(<circumplex_cpm>): Print a circular process model fit
summary(<circumplex_cpm>): Summarize a circular process model fit
plot(<circumplex_cpm>): Plot a circular process model fit
fit_structure(): Evaluate circumplex structure (Acton & Revelle, 2004)
print(<circumplex_structure>): Print circumplex-structure test results
summary(<circumplex_structure>): Summarize circumplex-structure test results
plot(<circumplex_structure>): Plot a circumplex-structure configuration
axes_reliability(): Reliability of the circumplex axes (Strack, Jacobs & Grosse Holtforth, 2013)
print(<circumplex_axes_reliability>): Print circumplex axes-reliability results
summary(<circumplex_axes_reliability>): Summarize circumplex axes-reliability results
ssm_ci_accuracy(): Assess the accuracy of SSM confidence intervals by simulation
summary(<circumplex_ci_accuracy>): Summarize the accuracy of SSM confidence intervals
plot(<circumplex_ci_accuracy>): Plot SSM CI accuracy across the amplitude ladder

Ready-made circumplex figures for a set of SSM results

Composable ggplot2 components for building custom circumplex figures

ggcircumplex(): Create a circumplex plotting canvas
coord_circumplex(): Circumplex coordinate system
geom_ssm_point(): Draw SSM profile points in circumplex space
geom_ssm_arc(): Draw SSM confidence-region arcs in circumplex space
geom_ssm_path(): Draw a profile's movement across occasions in circumplex space
scale_x_circumplex(): Angle-labeled x-axis scale for circumplex plots
theme_circumplex(): Circumplex canvas theme

Functions for customizing SSM results

Functions that make your life easier