Studying on the Application of Decision Tree for Forecasting the Loss of Distance Learners Based on the Results Database(RD) 基于成绩库的远程学习者流失预测决策树的应用研究
The database function module contains the fully route database, locomotive and vehicle database, traction calculation results database. 数据库模块包含了完整的路线数据库,机车车辆数据库,牵引计算结果数据库(RD)。
The basic data came from the quality control training examination results in these years in Yunnan. The quality control and basic theory examination results database was established according to these data. 以历年全省监测人员参加质控考核和基本理论培训考核的结果为基础数据,建立了质控考核成绩档案库和基本理论培训及考核成绩档案库;
To meet the need of the system, the database should contain the following three aspects : information database of poor families, the source databases of public housing and the results database. 根据系统的需要,数据库要包含以下三个方面的内容:被保障家庭信息数据库、保障性住房房源数据库以及各项业务处理结果信息数据库。
Server applications may cache file contents, generated pages, results of database queries, DOM trees associated with parsed XML files, and many other types of data. 服务器应用可能需要缓存文件内容、生成的页面、数据库查询的结果、与经过解析的XML文件相关的DOM树,以及许多其他类型的数据。