OpenViBE forum

I solved it by comparing the selected row and column (provided by the P300 accumulator box) with the target row and column (provided by the Target Letter Generation box) in a Matlab script. If they match, a score is incremented by 1. At the same time, I count how many letters are in the run by incre...

Hi, I am currently working with the xDAWN P300 speller scenarios in Openvibe v.2.2.0. Everything works fine, however, I would like to extract the spelling accuracy (i.e. the ratio of correctly classified letters) from the P300 speller at the end of each run. Is there an easy way to extract this info...