博文

Distinguishing sleeping beauties in science

2016-7-21 22:04

Distinguishing sleeping beauties in science Jiang Li，Fred Y. Ye Abstract Three kinds of criteria have been advanced for distinguishing sleeping beauties in science, i.e., average-based criteria, quartile-based criteria and parameter-free criteria,on which basis four rules are propo ...

个人分类: 研究方法|2556 次阅读|没有评论

MACA

2016-7-3 06:28

Yi Bu，Tian-yi Liu，Win-bin Huang.MACA: a modified author co-citation analysis method combined with general descriptive metadata of citations.Scientometrics (2016) 108:143–166 Abstract Author co-citation analysis (ACA) is a well-known and frequently-used method to exhibit the academic re ...

个人分类: 研究方法|2322 次阅读|没有评论

美国2008年第4季度到2014年第4季度部分手机操作系统市场份额

2016-4-23 23:02

这段时间在学习Tableau。下面是从其网站下载一个数据集，选了其中部分数据试了一下。 （What percentage of themarket each mobile operating system had from 2008-2014） 数据来源： https://public.tableau.com/s/resources?edition=publicversion=9.1qt-overview_resources=1#qt-overview_resource ...

2303 次阅读|没有评论

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