Visualization and modeling of sub-populations of compositional data: Statistical methods illustrated by means of geochemical data from fumarolic fluids

International Journal of Earth Sciences

Volumn 91, Issue 2, 2002, Pages 357-368

  Pawlowsky Glahn, Vera ^a,b   Buccianti, Antonella ^a,b  

^a UNIVERSITY OF GIRONA   (Spain)

^b UNIVERSITY OF FLORENCE   (Italy)

Author keywords

Cluster analysis; Confidence region; Sample space; Simplex; Ternary diagram

Indexed keywords

CHEMICAL COMPOSITION; CLUSTER ANALYSIS; CONFIDENCE INTERVAL; FUMAROLE; STATISTICAL ANALYSIS; VISUALIZATION;

ITALY;

EID: 0036204483     PISSN: 14373254     EISSN: None     Source Type: Journal    
DOI: 10.1007/s005310100222     Document Type: Article

References (26)

1. On criteria for measures of compositional difference
2. Logratio analysis and compositional distance
3. Evolution of Eolian arc volcanism (Southern Tyrrhenian sea)
4. Analisi preliminare dell'attivita' sismica con origine nell'area di Vulcano durante il primo semestre 1984
5. The ecological significance of the coexistence of sulphur dioxide and hydrogen sulphide in volcanic fumaroles
6. Geochemical and seismological investigation at vulcano (Aeolian Islands) during 1978-1989
7. Reactions governing the chemistry of crater fumaroles from Vulcano island, Italy, and implications for volcanic surveillance
8. Understanding perturbation on the simplex: A simple method to better visualise and interpret compositional data in ternary diagrams
9. Chemical composition of volcanic gases
10. Monitoring of acid gases at the crater of vulcano using the method of the alkaline traps
11. Noble gases and nitrogen: Mixing and temporal evolution in the fumarolic fluids of vulcano, Italy
12. Measures of difference for compositional data and hierarchical clustering methods
13. A critical approach to non-parametric classification of compositional data
14. A measure of difference for compositional data based on measures of divergence
15. Water and fire: Vulcano Island from 1977 to 1991
16. The fumaroles of vulcano: Differences in chemical composition produced by the surface environment
17. Signs of potential renewal of eruptive activity at La Fossa (Vulcano, Aeolian Islands)
18. Confidence regions in ternary diagrams
19. About BLU estimators and compositional data
20. Arsenic in volcanic gases
21. Arsenic in fumarolic gases of vulcano (Aeolian Islands. Italy) from 1978 to 1993: Geochemical evidence from multivariate analysis