|
Resumo da Biografia
|
A typical utility of multivariate methods in forensic analysis consists of discriminating between authentic
and unauthentic samples of seized drugs, in addition to finding
related properties in the unauthentic samples. In this paper,
the efficiency of several strategies belonging to
two completely different lessons of multivariate strategies-supervised and Buy cialis online unsupervised strategies-were in contrast.
The supervised methods (ST) are the k-Nearest Neighbor
(KNN), Help Vector Machine (SVM), Probabilistic Neural Networks (PNN)
and plaquinol Linear Discriminant
Evaluation (LDA); the unsupervised techniques are the k-Means CA and the Fuzzy
C-Means (FCM). The strategies are applied to Infrared Spectroscopy by Fourier
Transform (FTIR) from genuine and Buy Drilyna online unauthentic Cialis and
Viagra. The FTIR knowledge are also transformed by Principal
Components Analysis (PCA). Kernel functions aimed toward enhancing the grouping efficiency.
ST proved to be a extra affordable alternative when the analysis is carried out on the unique knowledge, while the UT led to better outcomes when utilized to reworked
information. Buy Flucon-ac online Krisovin online
|