Based on the characteristic of GM (1, 1) model, this paper presents a new modelling method for the model through adding a datum to the beginning of raw data sequence.
根据GM(1,1)模型的特点，通过在原始数据序列前加一个数的方式，提出了建立GM(1,1)模型的一种新方法。
When statistical software reads a "raw" character format data file consisting of ASCII or EBCDIC characters, it must read each byte in sequence.
当统计软件读取一个以ascii或EBCDIC为格式的原始数据文件时，必须照着顺序一个一个字节地读取。
METHODS: The analysis was conducted using the method of defined daily use and sequence of consumption sum based on the raw data retrieved from Hospital Drug Inventory Management System.
方法：根据我院“医院药品库存管理系统”的原始数据资料，采用限定日剂量法和销售金额排序法进行分析。
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