![Reading hierarchical data - Part 2](https://blogs.sas.com/content/sastraining/files/2017/01/LearnSAS-1.png)
This post is the second in a series that illustrates three different solutions to "flattening" hierarchical data. Solution 1, from my previous post, created one observation per header record, summarizing the detail data with a COUNT variable, like this: Summary Approach: One observation per header record Obs Family Count