Contrast and Separation Metrics for Phonological Categories
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Documentation for package ‘phontrast’ version 2.3.1
Help Pages
| autoplot.phontrast_contrast | Plot a phontrast() result directly |
| bhattacharyya_mvnorm | Bhattacharyya distance and affinity under multivariate normality |
| boot_jsd | Bootstrap JSD for each group |
| estimate_bhatt | Estimate Bhattacharyya distance, globally or by group |
| estimate_jsd | Estimate Jensen-Shannon divergence or distance between two categories |
| estimate_overlap | Estimate proportional overlap globally or by group |
| estimate_pillai | Estimate Pillai trace, globally or by group |
| extract_mfcc | Extract MFCCs for vowel segments |
| global_boot_jsd | Global JSD with bootstrap confidence interval |
| global_pillai | Global Pillai trace (point estimate) |
| hier_boot_jsd_model | Hierarchical bootstrap for JSD-based models |
| jsd | Jensen-Shannon divergence for discrete distributions |
| jsd_kde_nd | n-dimensional JSD via multivariate kernel density estimation |
| jsd_summary | JSD summary: point estimate and optional bootstrap per group |
| kl_div | Kullback-Leibler divergence for discrete distributions |
| percent_overlap_kde | Proportional overlap between two distributions via KDE |
| phontrast | Compute and compare phonological contrast metrics |
| phontrast_palette | Okabe-Ito color palette used by phontrast plots |
| pillai_overlap | Pillai trace for multivariate overlap |
| plot.phontrast_contrast | Plot a phontrast() result directly |
| plot_category_pca | Plot a PCA projection of multidimensional category space |
| plot_category_space | Plot phonological categories in acoustic space |
| plot_contrast | Distribution-aware contrast plot for two categories |
| plot_overlap_metrics | Plot overlap metric comparisons |
| prepare_jsd_beta | Prepare JSD estimates for beta regression / GAMs |
| scale_color_phontrast | Okabe-Ito discrete color and fill scales |
| scale_colour_phontrast | Okabe-Ito discrete color and fill scales |
| scale_fill_phontrast | Okabe-Ito discrete color and fill scales |
| speaker_bhatt | Bhattacharyya distance by group |
| speaker_jsd | Group-level JSD point estimates |
| speaker_pillai | Group-level Pillai scores |
| theme_phontrast | Publication theme for phontrast plots |