AW: [FIELDTRIP] importing raw data

Robert Oostenveld r.oostenveld at FCDONDERS.RU.NL
Wed Oct 28 14:17:33 CET 2009


Hi Marco

On 26 Oct 2009, at 20:04, Marco Rotonda wrote:
> so I could not do zvalue artifact on 2 channels only?

you can in principle compute the z-value, but I don't think that that
will help you much. If it were only a single channel, it would just be
a scaling of the data in that channel with the standard deviation.
Since you have two, it is also the accumulation of the z-value over
teh two channels.

However, I think that for your 2-channel data it is much more robust
to manually (i.e. visually) identify the artifact time-windows. You
can use the new DATABROWSER function for that.

best,
Robert

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