Function reference

Fitting

Fit NLME models and inspect results.

• ferx_fit
• ferx_fit_async
• print.ferx_job
• ferx_collect
• ferx_sir
• summary.ferx_fit

Simulation & Prediction

Simulate observations or compute population predictions from a fitted model.

• ferx_simulate
• ferx_simulate_adaptive
• ferx_simulate_with_uncertainty
• ferx_predict
• ferx_predict_survival

Model editing

Create, inspect, and programmatically edit .ferx model files.

• ferx_model
• ferx_model_new
• ferx_model_edit
• ferx_model_show
• ferx_model_inspect
• ferx_model_validate
• ferx_model_section
• ferx_get_section
• ferx_set_section
• ferx_model_set_section
• ferx_to_frem

Diagnostics & output

Extract and visualise parameter estimates, ETAs, and optimizer traces.

• ferx_runlog
• ferx_runlog_iters
• ferx_estimates
• ferx_warnings
• ferx_eta_cov
• ferx_cov_screen
• ferx_cor_matrix
• ferx_plot_trace
• ferx_trace
• ferx_npde
• ferx_xpose
• check_diagnostics

Data filtering

Preview and apply record-level data-selection filters before fitting.

• ferx_selection
• ferx_selection_excluded
• print.ferx_data

Utilities

Helper functions for exploring bundled examples and checking model initialisation.

• ferx_example
• ferx_columns
• ferx_check_init
• ferx_inits_from_nca
• print.ferx_inits
• ferx_save_fit
• ferx_load_fit