Endmember unmixing of compositional data

Details Endmember unmixing of compositional data Endmember unmixing of compositional data

Aug 1991

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1991gecoa..55.2351w&link_type=abstract

Geochimica et Cosmochimica Acta, vol. 55, Issue 8, pp.2351-2353

Computer Science

1

Scientific paper

Manipulation of the n -endmember mixing equations, appropriate to compositional data, leads to a general method (1) to test hypotheses about endmember compositions and (2) to recover the concentrations of all compositional components in an endmember when the concentrations of n - 1 components are known or measured in that endmember. Additionally, Pearce element-ratio analysis is shown to be a special (and not efficiently posed) two-endmember case of n -endmember unmixing. Information available on Pearce element-ratio diagrams as values of the slopes of lines is contained on Harker diagrams as values of points.

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