摘要
通过对1989-2008年图书情报一级学科发文量统计数据的分布情况,用最小平方法建立发文量趋势拟合方程,进行学科发展状况研究,分析图书情报一级学科的发展规律,并利用趋势方程进行长期趋势估计。
By data distributing statistic on number of published articles of subordinate subjects in library and information science during 1989- 2008, a fitting function of the quantity of published articles trends can be obtained by using the least square method, which can be used in the investigation of the subject development, the analysis on the developing laws of the library and information subordinate subjects and the longterm trend estimation by using the trend function.
出处
《现代情报》
2009年第10期146-148,共3页
Journal of Modern Information
关键词
发文量
统计分析
趋势
拟合
方程
quantity of published articles
statistical analysis
trend
fitting
function
