The concept of compositional data analysis in practice - Total major element concentrations in agricultural and grazing land soils in Europe

Result code in IS VaVaI
<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F61989592%3A15310%2F12%3A33141590" target="_blank" >RIV/61989592:15310/12:33141590 - isvavai.cz</a>
Result on the web
<a href="http://dx.doi.org/10.1016/j.scitotenv.2012.02.032" target="_blank" >http://dx.doi.org/10.1016/j.scitotenv.2012.02.032</a>
DOI - Digital Object Identifier
<a href="http://dx.doi.org/10.1016/j.scitotenv.2012.02.032" target="_blank" >10.1016/j.scitotenv.2012.02.032</a>

Result language
angličtina
Original language name
The concept of compositional data analysis in practice - Total major element concentrations in agricultural and grazing land soils in Europe
Original language description
Applied geochemistry and environmental sciences invariably deal with compositional data. Classically, the original or log-transformed absolute element concentrations are studied. However, compositional data do not vary independently, and a concentrationbased approach to data analysis can lead to faulty conclusions. For this reason a better statistical approach was introduced in the 1980s, exclusively based on relative information. Because the difference between the two methods should be most pronouncedin large-scale, and therefore highly variable, datasets, here a new dataset of agricultural soils, covering all of Europe (5.6 million km2) at an average sampling density of 1 site/2500 km2, is used to demonstrate and compare both approaches. Absolute element concentrations are certainly of interest in a variety of applications and can be provided in tabulations or concentration maps. Maps for the opened data (ratios to other elements) provide more specific additional information. For c
Czech name
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Czech description
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Type
J<sub>x</sub> - Unclassified - Peer-reviewed scientific article (Jimp, Jsc and Jost)
CEP classification
BB - Applied statistics, operational research
OECD FORD branch
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Publication year
2012
Confidentiality
S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů

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