Visitors to one of our websites are asked to identify their intention to re-register (or not).They have until a certain date to make their final decision. During this period they can switch it between Yes/No as many times as they want.
How can I create a segment that identifies the final (most-recent) selection?
Do you capture the responses in an evar & associate it with some event? One way is to make use of these & create segments based on the mentioned. Just thinking out loud - but do the URL's remain same for both 'Yes or No'? Probably - you can create a sequential segment & specify within 'Hit', time range, etc.
What happens after the certain date - do their responses gets finalized? You can probably use this condition to see users responses - 'if they fall in this category THEN do the ...'