PennController for IBEX › Forums › Support › Choosing subet of items to present › Reply To: Choosing subet of items to present
October 16, 2020 at 4:08 pm #6210
I tried the Pick() function and it worked well only when I randomized the set. That is, without the randomization (I want each stimulus to be picked only once), I got the error “First argument of pick cannot be a plain string”. Could you let me know how to fix this?