Is There a Tipping Point?

You can also do in lots of different ways. If you think about a, let's say time people get got into reabout evidence data base,. and maybe wa started in lets ayn 19 eightyand you're now running something, and you have patients starting in 20, twentyand so forty years later. So there is a way of incorporating that within your propensity square. Again, propensity score is just a probability of being in treatment or being in control. And you can account and you can probably create, or in your model, where the drift actuallyin rats the time. But what's the drift model? Am, so we put this, usually, m so when we're trying to