Chiu-Jui Huang, Nai-Wei Hsu, Hsi-Chung Chen
Prevalence, dimensions, and correlates of excessive daytime sleepiness in community-dwelling older adults: the Yilan study, Taiwan
Annals of medicine
harvest year maize seeds significant impact seed vitality maize yield therefore vital identify new seeds study online nearinfrared nir spectra collection device 8991715 nm designed employed distinguishing maize seeds harvested different years compared least squares support vector machine lssvm knearest neighbor knn extreme learning machine elm partial least squares discriminant analysis plsda model optimal recognition performance maize seed harvest years six different preprocessing methods including savitzkygolay smoothing sgs standard normal variate transformation snv multiplicative scatter correction msc savitzkygolay 1 derivative sgd1 savitzkygolay 2 derivative sgd2 normalization norm used improve quality spectra monte carlo crossvalidation uninformative variable elimination mcuve competitive adaptive reweighted sampling cars bootstrapping soft shrinkage boss successive projections algorithm spa combinations used obtain effective wavelengths decrease spectral dimensionality mcuvebossplsda model achieved classification accuracy 8875 using 93 features based norm preprocessed spectral data study showed selfdesigned nir collection system could used identify harvested years maize seed