Nested data structures are a boon to modeling, storage, and query performance, but pose challenges to traditional BI tools. Here’s how to overcome them ...

Multilevel modeling, also known as hierarchical linear models and mixed models, analyzes nested data structures. Nesting can occur from hierarchical data structures (e.g., siblings nested within ...

Here, the phrase "nested data structure" is used: the pupils are nested within schools. The results from nested data depend on the interaction between people within the same group.