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Cross-validation for the selection of spectral variables using the successive projections algorithm

Galvao, Roberto Kawakami Harrop and Araujo, Mario Cesar Ugulino and Silva, Edvan Cirino and Jose, Gledson Emidio and Soares, Sofacles Figueredo Carreiro and Paiva, Henrique Mohallem (2007) Cross-validation for the selection of spectral variables using the successive projections algorithm. Journal of the Brazilian Chemical Society, 18 (8). pp. 1580-1584. ISSN 0103-5053

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Abstract

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/similar to kawakami/spa/.