Aristocratic family trees became scientific model Date: October 1, 2019 Source: Uppsala University Summary: Before the French Revolution, family trees were reserved for the feudal upper classes ...

Ran Nathan, Uriel N. Safriel, Imanuel Noy-Meir, Field Validation and Sensitivity Analysis of a Mechanistic Model for Tree Seed Dispersal by Wind, Ecology, Vol. 82, No. 2 (Feb., 2001), pp. 374-388 ...

We present a novel application of a generalized item response tree model to investigate test takers' answer change behavior. The model allows us to simultaneously model the observed patterns of the ...