find_baseline_structure: Find baseline structure name for a given epoch
Description
Helper function to find the correct baseline structure name that matches
the complex baseline naming scheme used by eyeris.
Usage
find_baseline_structure(eyeris, epoch_label)
Value
The baseline structure name or NULL
if not found
Arguments
- eyeris
An object of class eyeris
derived from load_asc()
- epoch_label
The epoch label (without "epoch_" prefix)