高被引华人科学家知识网络的空间结构及影响因素

司月芳, 孙康, 朱贻文, 曹贤忠

Spatial structure and influencing factors of knowledge network of highly cited Chinese scientists

SI Yuefang, SUN Kang, ZHU Yiwen, CAO Xianzhong

表5 负二项重力模型回归结果

Tab. 5 Regression results of negative binomial gravity model

模型1 模型2 模型3 模型4 模型5 模型6 Ci 0.00600*** 0.00700*** 0.00797*** 0.00832*** 0.00858*** 0.00851*** (-0.00126) (-0.00134) (-0.00136) (-0.00141) (-0.00141) (-0.00133) Cj 0.00600*** 0.00700*** 0.00797*** 0.00832*** 0.00858*** 0.00851*** (-0.00126) (-0.00134) (-0.00136) (-0.00141) (-0.00141) (-0.00133) lndisij -0.0529*** -0.0480*** -0.0459*** -0.0474*** -0.0489*** (-0.00723) (-0.00718) (-0.00688) (-0.00694) (-0.00682) subij 0.314*** 0.301*** 0.305*** 0.313*** (-0.0624) (-0.0627) (-0.0631) (-0.0625) jobij 0.119** 0.145** 0.137** (-0.0591) (-0.0592) (-0.0586) timeij 0.00680** 0.00771*** (-0.00265) (-0.00274) natij -0.219** (-0.0882) rdexij -0.0279 0.0026 -0.011 -0.0126 -0.00545 0.0212 (-0.0526) (-0.0551) (-0.0563) (-0.0561) (-0.0569) (-0.0596) lnpaij -0.0133** 0.0113* 0.0117* 0.0105 0.00947 -0.00541 (-0.00652) (-0.0067) (-0.00687) (-0.00687) (-0.00687) (-0.00952) 常数 0.866*** 1.302*** 1.035*** 0.920*** 0.849*** 1.046*** (-0.0568) (-0.0859) (-0.105) (-0.113) (-0.117) (-0.136)