Hello,
I am using P3Speller application. I would like to calculate system performance (i.e. accuracy in %) and system communication speed (i.e. transfer bit rate in bit/min) of the analyzer (perf =(1-etot)x100) (Wolpaw et al., 2002). For this I need to know:
-numbers of correctly classified non-target data epochs per session;
- numbers of correctly classified target data epochs per session.
Where can I find this information for sessions already conducted.
Thank you for your help.
P300 accuracy
Re: P300 accuracy
For this, you need number of correctly classified characters vs. number of incorrectly classified characters.
Which character was classified is stored in BCI2000 states. Please see
http://www.bci2000.org/wiki/index.php/U ... pellerTask
Gerv
Which character was classified is stored in BCI2000 states. Please see
http://www.bci2000.org/wiki/index.php/U ... pellerTask
Gerv
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