Tobii eye tracking missing data


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Willem
Willem
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Posts: 30, Visits: 97
I noticed in the eyetracker output that there are very few recording including missing data. This is odd, since missing data is to be expected in eye tracker data due to blinks.

It appears that when the eyetracker does not detect an eye (e.g., during a blink), it also does not record any data.

As a consequence, it is difficult to figure out how much missing data there is, or to use methods such as linear interpolation to fill up gaps in the data.

My question is whether this is something that can be fixed. Is there a way to use the tobii plugin to get recording of ALL measurements? I know that with Tobii Studio or with the E-prime plugin for Tobii eye trackers, it is possible to also get rows containing missing data.

Best,
Willem
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