Abstract
In this paper, we report on the use of principal component analysis and partial least-squares regression (PLSR) for the age determination of Chinese porcelain of the period 1700–1990. Energy-dispersive X-ray fluorescence (EDXRF), a non-destructive technique, was used to retrieve elemental information of the objects. Fifteen elements were measured on 17 pieces of Chinese porcelain. The regression coefficients of the final PLS model are related to elemental concentrations and their magnitudes are consistent with observations reported in the literature based on univariate analysis. Swerts, J., Aerts, A., De Biscop, N., Adams, F. and Van Espen, P., 1994. Age determination of Chinese porcelain by X-ray fluorescence and multivariate analysis. Chemometrics and Intelligent Laboratory Systems, 22: 97–105.
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