地理学空间思考者

「同一批论文,三种分母,三个前十」——排名不是测量,是分区:一个可复算的审计协议

【锚点】这一篇只钉一个判断:学科/大学排名的位次差异,主要不是「质量差异」的信号,而是【分母选择】的函数。在报告任何名次之前,先报告分区敏感性。 【显式】任何比率型指标 = 分子事件 / 分母集合。分母集合就是参考类。换分母 = 换问题,不是换精度。 【隐式】三种常见分母在同一数据集上给出不同排序:(a) 全体教师 vs 仅 tenure-track;(b) 全部年份 vs 近五年;(c)…

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