![How to understand weight variables in statistical analyses Visualization of regression that uses a weight variable in SAS](https://blogs.sas.com/content/iml/files/2016/10/weightedreg1.png)
How can you specify weights for a statistical analysis? Hmmm, that's a "weighty" question! Many people on discussion forums ask "What is a weight variable?" and "How do you choose a weight for each observation?" This article gives a brief overview of weight variables in statistics and includes examples of