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Source Codes, Scripts, and Data for the paper "Summed Probability Distribution of 14C Dates suggests Regional Divergences in the Population Dynamics of the Jomon Period in Eastern Japan" by Crema, E.R., Habu, J., Kobayashi, K., and Madella, M.

Paper Reference

Crema, E. R., Habu, J., Kobayashi, K. and Madella, M. (2016). Summed Probability Distribution of 14 C Dates Suggests Regional Divergences in the Population Dynamics of the Jomon Period in Eastern Japan. PLOS ONE 11: e0154809. http://dx.doi.org/10.1371/journal.pone.0154809

Author of the Repository:

Enrico R. Crema (enrico.crema@gmail.com)

NOTE

This repository is no longer maintained or updated. It is strongly recommended that users interested in applying the techniques introduced here should install the rcarbon package from CRAN (stable version; https://cran.r-project.org/web/packages/rcarbon/index.html) or GitHub (development version; https://github.com/ahb108/rcarbon).

Contents

  • Core and utility R functions for analysis of 14C Summed Probability Distribution, including hypothesis testing against fitted null models (Exponential and Uniform distribution) and a permutation test for comparing two or more observed datasets.
  • Script for generating figure 1~3 on the paper "Summed Probability Distribution of 14C Dates suggest divergence in the population dynamics of Central and Northern Japan during the Jomon Period"
  • 14C Dates from Hokkaido, Aomori, Gunma, Ibaraki, Tochigi, Tokyo, Saitama, Kanagawa, and Chiba prefectures in Japan
  • Site location (approximate to ~1km) of the 14C samples

Licences

Text: CC-BY (http://creativecommons.org/licenses/by/4.0/)

Code: MIT (http://opensource.org/licenses/MIT year: 2014, copyright holder: Enrico R. Crema)

Data: CC0 (http://creativecommons.org/publicdomain/zero/1.0/) attribution requested in reuse

Dependencies

R version 3.1.2 (2014-10-31) Platform: x86_64-apple-darwin13.4.0 (64-bit)

attached base packages:

  • stats
  • graphics
  • grDevices
  • utils
  • datasets
  • methods
  • base

other attached packages:

  • zoo_1.7-12
  • mapdata_2.2-5
  • GISTools_0.7-4
  • rgeos_0.3-11
  • MASS_7.3-35
  • RColorBrewer_1.1-2
  • maps_2.3-9
  • maptools_0.8-36
  • rworldmap_1.3-1
  • sp_1.1-1
  • Bchron_4.1.1
  • inline_0.3.13

loaded via a namespace (and not attached):

  • coda_0.16-1
  • ellipse_0.3-8
  • fields_7.1
  • foreign_0.8-61
  • grid_3.1.2
  • hdrcde_3.1
  • lattice_0.20-29
  • mclust_4.4
  • spam_1.0-1