基于偏最小二乘的泰国菠萝出口影响因素实证研究

Abstract院Based on the partial least (PLS) method for example of the factors that effect on Thai pineapple exports we select variablesby variable importance in projection and extract principal components via cross validation then establish the partial least square models.We analyze the impact of each indicator on Thai pineapple exports deeply. Studies have shown that Thai pineapple exports are closedrelated to the raw material prices and the speed of production and processing in factories and the effects of partial least squares regressionfit better than ordinary least squares regression.院泰国菠萝 偏最小二乘回归 交叉有效性Key words院Thai pineapple partial least squares regression cross validation中图分类号院F746.12 文献标识码院A 文章编号院1006-4311（2014）31-0009-03