This work compares the use of a separate validation set and leave-one-out cross-validation to guide the selection of variables in the Successive Projections Algorithm (SPA) for multivariate calibration. Two case studies involving diesel and corn analysis by NIR spectrometry are presented. A graphical interface for SPA is available at www.ele.ita.br/~kawakami/spa/. ©2007 Sociedade Brasileira de Química.
CITATION STYLE
Galvão, R. K. H., Araújo, M. C. U., Silva, E. C., José, G. E., Soares, S. F. C., & Paiva, H. M. (2007). Cross-validation for the selection of spectral variables using the successive projections algorithm. Journal of the Brazilian Chemical Society, 18(8), 1580–1584. https://doi.org/10.1590/S0103-50532007000800021
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