flex_cust_prm: Specify custom parameters

In dRiftDM: Estimating (Time-Dependent) Drift Diffusion Models

Specify custom parameters

Description

This function takes a flex_prms_obj and adds or builds the entry cust_prms to allow for custom parameters. An examplary instruction is "peak_l = (a-1)*tau"

Usage

flex_cust_prm(flex_prms_obj, formula_instr)

Arguments

flex_prms_obj	a flex_prms object
formula_instr	a string referring to "custom parameter combination" (see modify_flex_prms)

Details

The entry cust_prms is a list with entries expressions and values. Each of these is again a named list, that either contains the expression with instructions on how to calculate the custom parameter (e.g., "peak_l") or the respective values. Values are getting updated/calculated in update_special_values()

The cust_prms exists of two entries "expressions" and values". "expressions" contains a named list, with expressions referring to prms_matrix (see flex_prms) on how to calculate the custom parameter (across all conditions). The "values" contain a named list, with named numeric vectors (names are conditions, values the calculated custom parameter values)

Value

a modified flex_prms object with respect to the cust_prms entry

dRiftDM documentation built on April 3, 2025, 7:48 p.m.