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Tool to perform Bayesian inference of carcass processing/transport strategy and bone attrition from archaeofaunal skeletal profiles characterized by percentages of MAU (Minimum Anatomical Units). The approach is based on a generative model for skeletal profiles that replicates the two phases of formation of any faunal assemblage: initial accumulation as a function of human transport strategies and subsequent attrition.Two parameters define this model: 1) the transport preference (alpha), which can take any value between - 1 (mostly axial contribution) and 1 (mostly appendicular contribution) following strategies constructed as a function of butchering efficiency of different anatomical elements and the results of ethnographic studies, and 2) degree of attrition (beta), which can vary between 0 (no attrition) and 10 (maximum attrition) and relates the survivorship of bone elements to their maximum bone density. Starting from uniform prior probability distribution functions of alpha and beta, a Monte Carlo Markov Chain sampling based on a random walk Metropolis-Hasting algorithm is adopted to derive the posterior probability distribution functions, which are then available for interpretation. During this process, the likelihood of obtaining the observed percentages of MAU given a pair of parameter values is estimated by the inverse of the Chi2 statistic, multiplied by the proportion of elements within a 1 percent of the observed value. See Ana B. Marin-Arroyo, David Ocio (2018).<doi:10.1080/08912963.2017.1336620>.
| Version: | 1.1.1 |
| Depends: | MASS |
| Published: | 2024-01-10 |
| Author: | Ana B. Marín-Arroyo [aut], David Ocio [aut], Marco Vidal-Cordasco [cbt], Delphine Vettese [cbt] |
| Maintainer: | Marco Vidal-Cordasco <marcovidalcordasco at gmail.com> |
| License: | GPL-3 |
| NeedsCompilation: | no |
| In views: | Bayesian |
| CRAN checks: | BaSkePro results |
| Reference manual: | BaSkePro.pdf |
| Package source: | BaSkePro_1.1.1.tar.gz |
| Windows binaries: | r-devel: BaSkePro_1.1.1.zip, r-release: BaSkePro_1.1.1.zip, r-oldrel: BaSkePro_1.1.1.zip |
| macOS binaries: | r-release (arm64): BaSkePro_1.1.1.tgz, r-oldrel (arm64): BaSkePro_1.1.1.tgz, r-release (x86_64): BaSkePro_1.1.1.tgz, r-oldrel (x86_64): BaSkePro_1.1.1.tgz |
| Old sources: | BaSkePro archive |
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