Determining Provenance from Compositional Data
Seiten
2026
Cambridge University Press (Verlag)
978-1-009-63417-5 (ISBN)
Cambridge University Press (Verlag)
978-1-009-63417-5 (ISBN)
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Traditionally, classical multivariate statistical methods have been applied to relate cultural materials recovered at archaeological sites to their respective raw material sources. This Element reconsiders the use of statistical methods for provenance analysis of archaeological materials using a step-by-step procedure.
Traditionally, classical multivariate statistical methods have been applied to relate cultural materials recovered at archaeological sites to their respective raw material sources. However, when reviewing published research, which usually claims to have reached a high degree of confidence in the assignment of materials, the authors have detected that those applying these methods can make serious errors that compromise the inferences made. This Element reconsiders the use of statistical methods to address the problem of provenance analysis of archaeological materials using a step-by-step procedure that allows the recognition of natural groups in the data, thus obtaining better quality classifications while avoiding the problems of total or partial overlaps in the chemical groups (common in biplots). To evaluate the methods proposed here, the challenge of group search in ceramic materials is addressed using algorithms derived from model-based clustering. For cases with partial data labeling, a semi-supervised algorithm is applied to obsidian samples.
Traditionally, classical multivariate statistical methods have been applied to relate cultural materials recovered at archaeological sites to their respective raw material sources. However, when reviewing published research, which usually claims to have reached a high degree of confidence in the assignment of materials, the authors have detected that those applying these methods can make serious errors that compromise the inferences made. This Element reconsiders the use of statistical methods to address the problem of provenance analysis of archaeological materials using a step-by-step procedure that allows the recognition of natural groups in the data, thus obtaining better quality classifications while avoiding the problems of total or partial overlaps in the chemical groups (common in biplots). To evaluate the methods proposed here, the challenge of group search in ceramic materials is addressed using algorithms derived from model-based clustering. For cases with partial data labeling, a semi-supervised algorithm is applied to obsidian samples.
1. Introduction; 2. Sample size; 3. Imputation of missing values; 4. Data transformation; 5. Data diagnosis; 6. Dimensionality reduction; 7. Model validation; 8. Compositional study of archaeological pottery: example for variable selection; 9. Compositional study of obsidian materials: example of semi-supervised classification; 10. Final comments; References.
| Erscheint lt. Verlag | 1.4.2027 |
|---|---|
| Reihe/Serie | Elements in Current Archaeological Tools and Techniques |
| Zusatzinfo | Worked examples or Exercises |
| Verlagsort | Cambridge |
| Sprache | englisch |
| Themenwelt | Geisteswissenschaften ► Archäologie |
| Informatik ► Theorie / Studium ► Künstliche Intelligenz / Robotik | |
| Naturwissenschaften ► Geowissenschaften ► Geologie | |
| ISBN-10 | 1-009-63417-8 / 1009634178 |
| ISBN-13 | 978-1-009-63417-5 / 9781009634175 |
| Zustand | Neuware |
| Informationen gemäß Produktsicherheitsverordnung (GPSR) | |
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