Zhang Lu-Da, Su Shi-Guang, Wang Lai-Sheng, Li Jun-Hui, Yang Li-Ming
College of Science, China Agricultural University, Beijing 100094, China.
Guang Pu Xue Yu Guang Pu Fen Xi. 2005 Jan;25(1):33-5.
Support Vector Machine (SVM) is a method for the research on identifying two types of problem. It is the latest branch in the statistics study theories, and the identification model has a strict mathematics foundation. In this paper, the basic principle and method of SVM are not only introduced, but also applied to chemometrics. One hundred and three rhubarb samples were used as experimental materials. The identification models were established with near-infrared spectroscopy and SVM training method with the intention of identifying whether the rhubarb samples are true or false. The thirty-three samples in training set were identified by the identifying models with the accurate rate of 100%, while seventy estimate samples had an accurate rate of 96.77%. The research result provided the method of identifying the traditional Chinese medicine rhubarb quickly. So, it shows the feasibility of establishing the models with near-infrared spectroscopy and SVM method to identify biological samples. This paper introduced the theme of SVM training method in order to beget the attention of the research members who deal with chemometrics.
支持向量机(SVM)是一种用于研究两类问题识别的方法。它是统计学习理论中的最新分支,其识别模型具有严格的数学基础。本文不仅介绍了支持向量机的基本原理和方法,还将其应用于化学计量学。以103个大黄样本作为实验材料,采用近红外光谱和支持向量机训练方法建立识别模型,旨在鉴别大黄样本的真伪。训练集中的33个样本经识别模型识别,准确率达100%,而70个预测样本的准确率为96.77%。该研究结果提供了快速鉴别中药大黄的方法。因此,表明了采用近红外光谱和支持向量机方法建立生物样本识别模型的可行性。本文介绍了支持向量机训练方法这一主题,以期引起从事化学计量学研究人员的关注。