【摘要】 对化工数据预处理问题进行了研究,阐述了化工数据智能建模中辅助变量选择、数据采集、数据校正、输入数据降维等各种数据预处理的思路与方法。仿真实验表明:对数据进行有效的预处理,可以改善模型的精确度。更多还原

【Abstract】 This paper studies the chemical data pretreatment and describes the contents and methods in various phases of data pretreatment such as secondary variables selection, data acquisition, data (reconciliation), input data dimension reduction. Simulation results demonstrate that proper data pretreatment can improve the accuracy of model.更多还原