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ramiadantsoa/paleo_lottery: Source code for: The potential role of intrinsic processes in generating abrupt and quasi-synchronous tree declines during the Holocene.

Tanjona Ramiadantsoa

Mathematica and R codes for the manuscript on abrupt and quasi-synchrony decline of trees during the Holocene.

The Mathematica code 'clean_complile_data.nb' cleans and compiles the multi-taxa data, including splitting and merging the Pinus subgenera, creating a database for site ID, site coordinates, name, time series summary (length, mean resolution etc), species occurrences, abrupt changes occurrences etc and a second databases for the timing of abrupt increases and decreases for each site for each species.

The Mathematica code 'code_paleo_lottery.nb' generates all the simulated data and plots all figures in the manuscript and the supplements.

The R code contains extracts records from Neotoma for hemlock and computes the Bayesian Change Point (BCP) analyses for both empirical and simulated data.

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