Implementation of compositional data analysis into geology
 
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Gospodarka Surowcami Mineralnymi – Mineral Resources Management 2006;22(2):39–52
 
KEYWORDS
ABSTRACT
The paper presents the principles of Compositional Data Analysis. This statistical method enables interpreting the data, being proportions of some whole. The two examples of implementation of this method were presented, with use of hydrogeological and petrographical data. The visaulisation by means of ternary diagrams is helpful for interpreting the results. The method is particularly featured by the possibility of appllication of a range of helpful manipulations, such as: amalgamation, perturbation, unconstraining and centering of data.
METADATA IN OTHER LANGUAGES:
Polish
Zastosowanie analizy danych złożonych (CDA) w geologii
analiza danych złożonych, chemizm wód podziemnych, porowatość skał
W artykule przedstawiono podstawowe założenia metody danych złożonych - Compositional Data Analysis. Metoda ta pozwala na statystyczną interpretację danych, w których wartości zmiennych sumują się do pewnej całości. Pokazano przykłady zastosowania metody CDA dla danych hydrogeologicznych oraz petrologicznych - w tym interpretację tych danych i ich wizualizację za pomocą diagramów trójkątnych. Specyfiką metody jest możliwość stosowania szeregu procedur przekształceń, np. amalgamacji danych, perturbacji, uwalniania i centrowania.
 
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