Code and data for: Climate Forcing and Human Displacement across East Asia — The 4.2 ka Event as a Transcontinental Dispersal Engine

Analysis code and curated data for the study "Climate Forcing and Human Displacement across East Asia: The 4.2 ka Event as a Transcontinental Dispersal Engine." Contains three Python scripts reproducing all statistical analyses and figures, plus three processed data files (archaeological radiocarbon dates, arboreal pollen percentages, and zooarchaeological occurrences). Speleothem data (SISAL v2) must be downloaded separately (doi:10.17864/1947.256). See README.md for full instructions.