Yes, at any time. Changes apply to the next checks, never retroactively.
Epovest holds collection and reading apart, and that is what makes editing safe. Collection is what defines the measurement itself: the prompts, the engines, the cadence, the resolution. Changing it on a measuring tracker opens a new version of the series so the points stay comparable, and the earlier series is kept.
Reading is what you lay on top of the record: the keywords, the favorite, the analysts, the discovery suggestions you accept or dismiss. Change that whenever you like. Re-reading never re-asks the engines, so the archived answers stay exactly as they were collected.
Pausing a tracker keeps everything and costs nothing, and you resume it whenever you choose.