Intra-regional classification of codonopsis radix produced in gansu province (china) by multi-elemental analysis and chemometric tools

HIGHLIGHTS

• who: Ruibin Bai from the SchoolLanzhou University have published the research: Intra-regional classification of Codonopsis Radix produced in Gansu province (China) by multi-elemental analysis and chemometric tools, in the Journal: Scientific Reports Scientific Reports
• what: In this work, the choices of number of neighbor k for k-NN; number of variables evaluated at each split (mtry) and number of trees (ntree) for RF; and penalty factor C and u03b5 of the u03b5-insensitive loss function for SVM, were calculated by using ten-fold cross-validation technique repeated five times by which maximum accuracy . . .
  

   

  

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