[Eeglablist] Grand average waveform values different from real values

Aoife Sweeney asweeney16 at qub.ac.uk
Mon Nov 9 15:56:34 PST 2020


Hi there,

I have a strange situation. When I create a grand average waveform of multiple datasets, the peak amplitude and peak latency are different when measured directly off the waveform than when the peak amplitude and latency measures are computed using the numeric values of each dataset.

Has anyone else encountered this before? Why is the data distorted in the plotted waveform?

Best regards,
Aoife



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