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How to compare real-time physiological data between pre-defined time blocks

For your first question, it's not wise to work in percents or percentage changes. Frank Harrell summarizes the arguments against them in this post. It's best to work with the original data and compare ...
EdM's user avatar
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3 votes

Diff-in-diff with an unbalanced panel

With this kind of attrition, the bias will make the effect less negative, making the medication seem less effective at lowering BP. If the effect remains significant, you can say that with this kind ...
dimitriy's user avatar
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