![Bootstrap regression estimates: Case resampling](https://blogs.sas.com/content/iml/files/2018/10/bootCase2-640x336.png)
If you want to bootstrap the parameters in a statistical regression model, you have two primary choices. The first is case resampling, which is also called resampling observations or resampling pairs. In case resampling, you create the bootstrap sample by randomly selecting observations (with replacement) from the original data. The