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Raw data

all_data
VVIQ and TAS data from various studies

Modelling

fit_brms_model()
Fit a Bayesian model using the brms package with default settings
report_rope()
Report the ROPE analysis for marginal effects
check_slope_evidence()
Check VVIQ slope data for Bayesian GAMs

Visualisation

summarise_aph_and_alexi()
Compute counts and proportions of alexithymia groups within VVIQ groups
plot_alexithymia_proportions()
Plot alexithymia proportions within VVIQ groups based on a summary table
plot_vviq_group_proportions()
Plot VVIQ group proportions of a specified variable across studies
plot_group_violins()
Plot group violins with means and confidence intervals
plot_posterior_contrasts()
Plot the posterior distributions of marginal contrasts
plot_gam_means()
Plot GAM estimated means
plot_gam_slopes()
Plot GAM estimated slopes
plot_coloured_subjects()
Plot individual participants coloured by VVIQ group
plot_alexithymia_cutoff()
Plot Alexithymia cut-off line
scale_discrete_aphantasia()
Custom discrete scale for Aphantasia groups
scale_x_aphantasia()
Custom x-axis scale for Aphantasia groups
scale_x_vviq()
Custom x-axis scale for VVIQ scores
theme_pdf()
Theme for elegant scientific vector figures
save_ggplot()
Custom ggsave wrapper set with Nature's formatting guidelines (width-locked)