Monte Carlo studies of bootstrap variability in ROC analysis with data dependency

ROC analysis involving two large datasets is an important method for analyzing statistics of interest for decision making of a classifier in many disciplines. And data dependency due to multiple use of the same subjects exists ubiquitously in order to generate more samples because of limited resources. Hence, a two-layer data structure is constructed and the nonparametric two-sample two-layer bootstrap is employed to estimate standard errors of statistics of interest derived from two sets of data, such as a weighted sum of two probabilities. In this article, to reduce the bootstrap variance and ensure the accuracy of computation, Monte Carlo studies of bootstrap variability were carried out to determine the appropriate number of bootstrap replications in ROC analysis with data dependency. It is suggested that with a tolerance 0.02 of the coefficient of variation, 2,000 bootstrap replications be appropriate under such circumstances.     

上海完善国际航行船舶保税油市场的对策研究

随着我国对国际航行船舶保税油市场允许跨区域开展连锁经营以及保税油销售量的迅速增加,船舶保税油市场服务已成为港口配套服务中最重要和最核心的功能,反映了港口对外开放程度和服务水平。但上海在船舶保税油市场方面不仅与鹿特丹、新加坡和香港地区等国际航运中心存在一定的差距,还面临着深圳、青岛、天津、宁波以及舟山等其他大陆港口的激烈竞争。通过深入分析上海船舶保税油市场的发展现状和存在问题,借鉴国际典型港口发展船舶保税油市场的成功经验,分别从供应商、行业中介、监管部门角度提出完善上海船舶保税油市场建设的对策,提升上海国际航运中心对全球航运资源的配置能力。     

Legal Mobilisation and Justice: Insights from the Constitutional Court Case on International Standard Schools in Indonesia

Analysis of the role of courts in shaping access to justice in Indonesia has emphasised the role of judges and the incentives created for them by courts' institutional design. Alternatively, it has focused on individual justice-seekers and their capacities to choose between alternative pathways through the legal repertoire. In this paper, we suggest that ‘support structures for legal mobilisation’ (SSLMs) have also played an important role in shaping access to justice by influencing both the potential for legal mobilisation and the type of justice sought. In making this argument, we focus on a recent Constitutional Court case on ‘international standard schools’. In this case, a group of parents were able to mobilise for legal action only because NGOs provided the required technical expertise and financial resources while the central involvement of an anti-corruption NGO in the SSLM shifted the focus from parents' concerns about discrimination to corruption.     

An alternative method correcting BDR type of heteroskedasticity by the weighting re-estimated absolute residuals

The aim of this paper is to introduce a new method which corrects residual variances for the butterfly distributed residuals (BDR). Distribution theory, confidence intervals, and tests of hypotheses are valid and meaningful only if the standard regression assumptions are satisfied. Heteroskedasticity is one of the violations of these assumptions and BDR is another type of heteroskedasticity. This study reveals an alternative approach to correct the BDR type of heteroskedasticity by the weighting re-estimated absolute residuals (WRAR). After giving brief information about heteroskedasticity and BDR type of heteroskedasticity, WRAR is introduced. WRAR and the usual variance stabilizing techniques are compared on multiple and simple regression models.     

本土化视野下的刑事搜查制度研究

我国搜查制度呈现出以下三个特征：法律条文规定较多,但缺乏可操作的技术性规定;搜查决定权采取自我控制的监督模式,但缺乏有效的外部制衡;划分了有证搜查和无证搜查,但缺乏内容的充分性的特征。启动搜查程序无明确的证明标准、刑事案件证明标准较高和协力型的诉讼结构是造成非法搜查的重要原因。通过调整无证搜查的条件,增设同意搜查制度,设置不同层次的搜查理由和证明标准,由检察院行使搜查审批权,制定具有可操作性的搜查执行程序,彻底贯彻非法证据排除规则等途径,可以健全我国的搜查制度。     

建设"标准化学校"搭建义务教育均衡发展的操作平台

在义务教育阶段,缩小区域间、城乡间和校际之间的办学差异,推进义务教育均衡发展,既是实现教育公平的要求,也是建设和谐社会的基本要求.为了使义务教育均衡发展落在实处,而不是仅仅停留在文件上和理论研究上,我们必须寻找一个可操作的平台,打造"标准化学校"的设想,是缩小校际差距、实现义务教育均衡发展和教育公平的最有效途径.笔者就建设"标准化学校"的必要性问题,标准化学校的标准问题以及应注意的问题等都做了尝试性探讨.     

从普通话水平测试看高师普通话教学

高师院校的普通话教学与快速发展的普通话水平测试工作如何相互适应是摆在教学工作者面前的重要课题.教师应该有重点、有针对性地进行教学,并且多层次、多渠道地采取有效措施提高学生普通话水平,使之顺利通过普通话水平测试.另外,作为一名合格的普通话水平测试员,不断提高自身素质,加强德与才的修养是最为必要的.     

我国到底有多少部现行有效法律——兼论“准法律决定”的合宪性完善

《中国的法治建设白皮书》附录中华人民共和国现行有效法律分类目录与全国人大常委会关于我国现行有效法律数量的表述存在实质上不对应的可能性,其原因在于准法律决定的存在。宪法意义上法律的判断标准包括不同时代的形式理性标准和实质理性标准。我国现行有效的不以法结尾法律为23部,现行有效法律共计239部。准法律决定具有合宪性和一定的合理性,可以通过三项措施实现合宪性完善。     

标准视角下省域物流产业竞争力比较研究——以江苏省和浙江省为例

首先,本文在阐述物流标准对物流产业竞争力影响机理的基础上,构建基于标准视角的物流产业竞争力的概念模型及其评价指标,包括专利申请量、产业集中度、资产利润率和标准化财政拨款;其次,结合江苏省和浙江省2002．2009年相关统计数据,分别从单个指标视角和基于DEA模型的综合视角对两省的物流产业竞争力进行定量对比,得出“浙江省物流产业竞争力比江苏省的弱”的结论;最后,针对结论文章提出了提升浙江省物流产业竞争力的对策。     

经济性与理据性之辨——对《通用规范汉字表》51个异体字“转正”的再思考

《通用规范汉字表》把《第一批异体字整理表》（以下简称《一表》）中的部分异体字＂转正＂为规范字,引起了学者们的广泛关注。本文从经济性角度分析了转正后可能引起的问题。认为,异体字转为规范字不但需要从理据性角度考虑,还需要从经济的角度考虑,计算转正后的成本和代价。