A class of partially linear transformation models for recurrent gap times

In this article, we propose a general class of partially linear transformation models for recurrent gap time data, which extends the linear transformation models by incorporating non linear covariate effects and includes the partially linear proportional hazards and the partially linear proportional odds models as special cases. Both global and local estimating equations are developed to estimate the parametric and non parametric covariate effects, and the asymptotic properties of the resulting estimators are established. The finite-sample behavior of the proposed estimators is evaluated through simulation studies, and an application to a clinic study on chronic granulomatous disease is provided.     

Passion for a Leisure Activity,Presence of Meaning,and Search for Meaning: The Mediating Role of Emotion

The purpose of this research was to investigate the role of having a passion for a leisure activity on the presence of meaning and the search for meaning in college students’ lives. A path analysis of the results from 322 Chinese university students showed that positive emotions experienced during leisure activities partially mediated the relationship between harmonious passion and the presence of meaning. Negative emotion fully mediated obsessive passion and the presence of meaning as well as obsessive passion and the search for meaning. Obsessive passion was not associated with positive emotion. Implications for the dualistic model of passion, the presence of meaning, and the search for meaning in college students are discussed.     

A New Feature Selection Method for Text Categorization of Customer Reviews

With the rapid development of e-commerce, online consumer review plays an increasingly important role in consumers’ purchase decisions. Most research papers use the quantitative measures of consumer reviews for statistical analysis. Here we focus on analyzing the texts of customer reviews with text mining tools. We propose a new feature selection method called maximizing the difference. Various classification methods such as boosting, random forest and SVM are used to test the performance of the new method along with different evaluation criteria. Both simulation and empirical results show that it improves the effectiveness of the classifier over the existing methods.     

“粉色浪潮”——拉丁美洲左翼政党的兴衰

上个世纪末,在国际局势变化、"第三波民主化浪潮"以及外生经济冲击等因素的综合作用下,许多拉美国家的左翼政党掌握了政权,迎来了被称作"粉色浪潮"的左翼运动高潮。然而,近两年来,由于经济不景气和左翼政党任期内的政策失误与腐败等问题,拉美主要国家的左翼执政党正面临一场严重的危机,可能导致"粉色浪潮"的消退。由于中国在拉美有大量的投资和贷款,"粉色浪潮"的消退可能导致中国的经济利益严重受损,亟需调整经济与外交政策予以应对。     

基于网络环境的大学生思想政治教育话语权提升策略

现代网络话语风靡,对大学生网络思想政治教育工作造成了巨大冲击.提升网络思想政治教育话语权势在必行.其策略有以下几点:一是提高大学生思想政治教育者在网络中的话语表达能力;二是提升大学生网络思想政治教育议题设置的自觉性;三是增强大学生网络思想政治教育的话语传播力;四是优化大学生网络思想政治教育的话语环境.     

试析鲜卑山时代鲜卑部落的族群结构

史书记载的 “鲜卑山”共有五处,通过对比分析可以发现,这五处“鲜卑山”实际上指的是三座山,即鲜卑的发源地、位于大兴安岭南段的“大鲜卑山”,朝阳附近、混有乌桓、匈奴部落的慕容鲜卑部落联盟聚居地“鲜卑山”和敦煌附近、以鲜卑为主体,包含乌桓、匈奴及氐、羌部落的吐谷浑部落联盟聚居地“鲜卑山”,这三座山不仅是鲜卑族兴起和发展阶段的展示,更是鲜卑诸政权的摇篮,对我国古代历史的走向有着重大影响。     

大学生“郁闷”心态的成因及克服对策

"郁闷"心态是折射大学生心理的一面镜子。对大学生郁闷心态的意义表征、形成原因及克服对策进行全方位、多角度的理性分析,有利于大学生生活世界的构建和身心的健康发展。     

歌声传友谊——广州中华文化合唱团海外文化交流的体会

本文回顾了广州中华文化合唱团成立以来从事海外文化交流工作的九年历程,总结了通过合唱艺术广交天下朋友的心得与体会.     

城市韧性与城市宜居性耦合协调研究——以长三角城市群为例

文章基于2010—2020年长三角城市群内26个城市的面板数据,结合长三角城市群城市韧性和宜居性发展现状,利用熵值法分别测算二者综合发展指数,在此基础上,进一步运用耦合协调模型进行定量分析。结果表明：长三角城市韧性与城市宜居性总体水平不断上升,相对而言,城市宜居性的发展水平要略高于城市韧性;两系统耦合协调指数较高,总体呈现出相对稳定的态势,区域内部上海耦合协调度保持在最高水平,协调城市类型主要以初级和中级协调为主;空间格局上耦合协调城市板块呈现出环绕式聚集分布。据此,提出通过加强韧性建设来提高城市抵御风险的能力、因地制宜以特色发展打造宜居韧性城市、城市转型实现长三角城市群协调发展等政策建议,进而推动长三角城市群整体综合发展能力,实现以点带面辐射整个城市群。     

产城融合发展与城镇化效率提升的互动机制及实现途径

产城融合发展与城镇化效率提升作为新型城镇化进程中的重要问题备受关注,而如何实现二者的互动则更为重要,这关系未来我国城镇化整体的运行质量。基于此,笔者通过对产城融合发展与城镇化效率提升的互动机制进行诠释,从有产无城与城镇化高成本并存、有城无产与城镇化低收益并存、产城割裂与城镇化低效率并存三大层面分析了产城融合发展与城镇化效率提升相互影响中的突出问题,并据此提出加大产业结构转型升级,增强城镇化经济力,完善城镇配套功能,鼓励发展新兴产业及强化城镇化中的市场化建设等实现产城融合发展与城镇化效率提升的互动实现途径。