支持向量機在人口數(shù)據(jù)分析中的應用
[Abstract]:Statistical learning theory is aimed at the machine learning theory under the small sample. Its core idea is to control the generalization ability of the learning machine by controlling the complexity of the learning machine. The support vector machine developed according to this theory is based on the principle of VC and structural risk minimization. support vector machine has many advantages, and its appearance solves the practical problems such as overlearning, nonlinear, high dimension and so on. Nowadays, support vector machine (SVM) is applied to all fields of life to solve some practical problems. This paper mainly introduces the characteristics of support vector machine and its practical application in population data analysis. In the introduction, the background and significance of the topic are briefly described, and the research status of support vector machine at home and abroad is introduced. The second chapter briefly introduces the development history of machine learning and the problems related to machine learning. The third chapter briefly describes the statistical theory, including the main contents of statistical learning, VC dimension, generalization boundary, structural wind direction minimizing principle and other related concepts and contents. The fourth chapter focuses on the related contents of support vector machine, including linear support vector machine and nonlinear support vector machine, linear support vector machine is divided into linear divisible and linear inseparable cases. This chapter also introduces the related concepts of kernel function and support vector machine regression machine. The fifth chapter discusses the related characteristics of support vector machine and its advantages. The sixth chapter is the key content of this paper. According to the collected data about the total population of Shenyang from 2002 to the end of 2014, the population prediction is carried out by using support vector machine (SVM) model, and two kinds of support vector machine models are established in this chapter. Forecast the total population of Shenyang at the end of the year in the next five years. In the seventh chapter, according to the collection of the gross domestic product of Shenyang area, the relationship between the population quantity and the gross domestic product of Shenyang area is found, and the importance of forecasting the population quantity is explained. Finally, the characteristics of support vector machine method are summarized, the future development of support vector machine is prospected and the future research direction is put forward.
【學位授予單位】:遼寧師范大學
【學位級別】:碩士
【學位授予年份】:2016
【分類號】:C921
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