| bootstrap_mix2 | Bootstrap mixture parameters |
| evaluate_init | Evaluate initial parameter values for mixture fitting |
| fit_lognorm2 | Fit 2-component lognormal mixture |
| fit_norm2 | Fit 2-component normal mixture |
| prelim_plots | Preliminary diagnostic plots |
| select_best_mixture | Select best mixture model (lognormal or normal) based on BIC |