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|Type:||Artigo de periódico|
|Title:||Use Of Radial Basis Function Networks And Near-infrared Spectroscopy For The Determination Of Total Nitrogen Content In Soils From Sao Paulo State|
De Andrade J.C.
De Abreu M.F.
|Abstract:||Total nitrogen has been determined by using a model developed between the conventional chemical measurements and diffuse reflectance spectra in the near-infrared region. Samples (244) from different types of soils with total nitrogen contents ranging from 0.20 to 13.60% (m/m) were modeled by partial least-squares regression (PLS), multi-layer perceptron feed-forward networks (MLP) and radial basis function networks (RBFN). The RBFN model produced a better square error of prediction (SEP) of 0.048 and R2 = 0.93 in a procedure that is simpler, faster and less dependent on the initial conditions. 2008 © The Japan Society for Analytical Chemistry.|
|Editor:||Japan Society for Analytical Chemistry|
|Appears in Collections:||Unicamp - Artigos e Outros Documentos|
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