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by seidi
Wed Oct 13, 2021 1:57 pm
Forum: Scenarios and BCI design
Topic: Cross-Validation Accuracy very high (>90%) at random signal in BCI motor imagery CSP Scenario
Replies: 0
Views: 21574

Cross-Validation Accuracy very high (>90%) at random signal in BCI motor imagery CSP Scenario

Hi, I was getting chance level accuracy for a BCI motor imagery scenario on subjects, so I tried to run this scenario without a subject and see what results it gives. It happens that cross-validation accuracy was really high multiple times (CSP + LDA as processing pipeline) with EEG cap on the table...