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This R Function creates a simple Ford diagram for archaeological seriation with error bars determined based on sample size where count data are given. Ford-Diagram This R Function creates a simple Ford diagram for archaeological seriation with error bars determined based on sample size where count data are given. To restore the repository download the bundle wget...
Topics: GitHub, code, software, git
open-archaeo
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Script for calculating mean ceramic dates based on tabular data. This script also estimates sampling error using a bootstrapping procedure. Mean-Ceramic-Date-and-Error-Estimation Script for calculating mean ceramic dates based on tabular data. This script also estimates sampling error using a bootstrapping procedure. Mean Ceramic Dates:The mean ceramic date (MCD) of an assemblage is a point estimate of the occupation of a site calculated based on the frequency and date range of types present,...
Topics: GitHub, code, software, git
open-archaeo
software

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The R-script implements a means for statistically assessing the degree of co-occurrence between classes within a dataset based on an idea origially suggested by James Allison at BYU and published by Keith Kintigh in 2006. Binomial-Co-occurrence-Assessment The R-script implements a means for statistically assessing the degree of co-occurrence between classes within a dataset based on an idea origially suggested by James Allison at BYU and published by Keith Kintigh in 2006. I have implemented...
Topics: GitHub, code, software, git
open-archaeo
software

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This R script produces a exploratory visual for assessing site date ranges originally suggested to me by Wesley Bernardini (Redlands University). The plot consits of horizontal bars on an x-axis reprenting time with the width determined based on the production span for that type and with the height of each box determined based on the relative frequency of that type with types sorted vertically by start date. The script reads in csv files in the formatted of the example dataset here and produces...
Topics: GitHub, code, software, git
A Distant Reading of the Day of Archaeology Brainerd-Robinson-Similarity-Coefficient-and-Sampling-Error-Assessment Script for calculating Brainerd-Robinson coefficients based on tabular count or percent data. This script also estimates the probability that a given difference between two samples is the product of sampling error. Brainerd Robinson Coefficient of Similarity: The Brainerd-Robinson (BR) coefficient is a similarity measure that was developed within archaeology specifically for...
Topics: GitHub, code, software, git
open-archaeo
software

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This is an R implementation of the procedure outlined by John M. Roberts, Jr. et al. (2012) "A method for chronologically apportioning of ceramic assemblages" published in the Journal of Archaeological Science CeramicApportioning This is an R implementation of the procedure outlined by John M. Roberts, Jr. et al. (2012) "A method for chronologically apportioning of ceramic assemblages" published in the Journal of Archaeological Science Roberts, John M., Jr., Barbara J....
Topics: GitHub, code, software, git
open-archaeo
software

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R-script for conducting and evaluating bootstrapped correspondence analyses following methods published by Peeples and Schachner (2012) in the Journal of Archaeological Science Bootstrap-Correspondence-Analysis R-script for conducting and evaluating bootstrapped correspondence analyses following methods published by Peeples and Schachner (2012) in the Journal of Archaeological Science This code relates to the following article: Peeples, Matthew A. and Gregson Schachner2012 Refining...
Topics: GitHub, code, software, git
open-archaeo
software

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Script for conducting K-means cluster analysis using R. This script provides output designed to help the user select an appropriate cluster solution. Kmeans Script for conducting K-means cluster analysis using R. This script provides output designed to help the user select an appropriate cluster solution. K-means Cluster Analysis:K-means analysis is a divisive, non-hierarchical method of defining clusters. This is an iterative process, which means that at each step the membership of each...
Topics: GitHub, code, software, git
open-archaeo
software

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Analytical Dashboard for conducting various analysis to group and assess groupings for Neutron Activation Analytical chemical compositional data NAA analytical dashboard Analytical Dashboard for conducting various analysis to group and assess groupings for Neutron Activation Analytical chemical compositional data Very much a work in progress at this point but includes scripts to assess group membership probabilities using Mahalanobis distances (following Neff 2002) and a procedure for selecting...
Topics: GitHub, code, software, git