| 近二十年图书情报一级学科期刊文献的线性增长趋势 |
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| 引用本文： | 李志涛. 近二十年图书情报一级学科期刊文献的线性增长趋势[J]. 现代情报, 2009, 29(10): 146-148 |
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| 作者姓名： | 李志涛 |
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| 作者单位： | 天津电子信息职业技术学院图书馆,天津,300132 |
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| 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。
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| 关 键 词： | 发文量 统计分析 趋势 拟合 方程 |
The Linear Growth Trends in Periodical Literature of Library and Information Science Discipline Over the Past 20 Years |
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| Li Zhitao. The Linear Growth Trends in Periodical Literature of Library and Information Science Discipline Over the Past 20 Years[J]. , 2009, 29(10): 146-148 |
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| Authors: | Li Zhitao |
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| Affiliation: | Library, Electrronic Imformation Vocational Technology College, Tianjin 300132, China |
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| Abstract: | 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. |
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| Keywords: | quantity of published articles statistical analysis trend fitting function |
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