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991.
Within the undergraduate mathematics curriculum, the topic of simple least-squares linear regression is often first encountered in multi-variable calculus where the line of best fit is obtained by using partial derivatives to find the slope and y-intercept of the line that minimizes the residual sum of squares. A markedly different approach from linear algebra, which could also be introduced in multi-variable calculus, obtains the regression line by vector projection. The latter viewpoint offers elegant proof of the equation relating the total, explained and unexplained variations. Consideration of data with the same regression line and correlation opens the door for a “mini-research experience” (MRE). A sequel MRE gives rise to an open Research Experience for Undergraduates topic to analyze reflection sequences and a fundamental connection between complex analysis and regression analysis. A few general guidelines and basic goals for MREs are included for those whose main interest is in undergraduate research. 相似文献
992.
993.
何绍红 《钦州师范高等专科学校学报》2006,21(2):87-90
目前,有些大学生对遵守竞争道德规范的意识不强,出现了“不良竞争”心理和行为,因此,对大学生进行竞争道德规范教育很有必要。大学生必须遵守诚实守信、集体主义、公正平等、互相协作、奖优罚劣的竞争道德规范的内容。培养大学生自觉遵守竞争道德规范应开展竞争道德规范的实践活动,积极营造诚信氛围,规范竞争的激励机制,加强对大学生竞争道德规范建设的指导。 相似文献
994.
Mark Eaton 《Journal of Web Librarianship》2017,11(1):69-78
Visualizations can add value to raw library data. Tools that programmatically make such visualizations interactive can further increase the value of these data by giving librarians visual tools to analyze their datasets. To demonstrate these benefits, Kingsborough Community College Library built SeeCollections (http://b7jl.org/seecollections), a Web application that visualizes the libraries’ collections of books and e-books. This article discusses the how SeeCollections gathers data from Kingsborough's discovery layer API (Application Programming Interface) and transforms these data to create visualizations for the Web. SeeCollections is a lightweight, proof-of-concept data application based on a vendor API. API data are often accessible in academic libraries but are frequently underutilized. SeeCollections was built to demonstrate the immediate value of these API data sources to Kingsborough librarians by providing a visual interface to discovery layer data. Keeping in mind the broader literature on data visualization, this article will explore how SeeCollections was built. 相似文献
995.
Graham Sherriff 《Journal of Web Librarianship》2017,11(2):124-142
Split-screen tutorials are an appealing and effective way for libraries to create online learning objects where learners interact with real-time Web content. Many libraries are using the University of Arizona's award-winning, open source platform, Guide on the Side. In 2016, Springshare released a proprietary alternative, LibWizard Tutorials. This article reviews the advantages and limitations of this kind of tutorial. It also examines the differences between each platform's distinctive characteristics. These platforms create similar split-screen tutorials, but have differences that affect diverse aspects of installation, administration, authoring and editing, student learning, data management, and accessibility. Libraries now have the opportunity to consider and compare alternative platforms, and decide which one is best suited to their needs, priorities, and resources. 相似文献
996.
Maura Valentino 《Journal of Web Librarianship》2017,11(3-4):231-240
ABSTRACTThe historical clothing collections held by academic and other institutions serve as an important resource for scholars in fields ranging from fashion design to sociology. While metadata schemes have been created for individual clothing collections, no standard metadata scheme for clothing had been developed. This case study describes the creation of a linked data metadata scheme for clothing designed for the Oregon State University's College of Business Design Programs' Historical and Cultural Textile and Apparel Collection housed within the ScholarsArchive digital repository. In addition, the scheme can be used as a standard clothing metadata scheme which may be implemented by other organizations, or extended as needed. 相似文献
997.
998.
任辉 《荆门职业技术学院学报》2004,19(2):87-90
稿约规则中关于回复时限的条款在某些方面存在着不足,在实际操作中易造成作者合法权利的损害。因此,修改回复时限、理顺出版者与作者间的权利和义务关系十分必要。解决这个问题,可从导致审稿时间过长的“瓶颈”——审稿过程入手,做到工作规范,审稿高效,退稿及时。 相似文献
999.
讨论了高校篮球比赛中成绩排位和比赛关键场次问题.根据比赛中的得分情况,建立的逐步回归模型,数据统计分析模型.预测了在比赛中各队的排位情况,并且对各队的得分问题的关键因素处理给出了意见. 相似文献
1000.
对我国大学排行实践的回顾与思考 总被引:16,自引:0,他引:16
董秀华 《清华大学教育研究》2002,23(4):90-95
随着广东管理科学研究和网大的大学排行榜陆续推出,大学排行问题已成为人们关注的热点。本文首先对我国大学排行实践的基本脉络进行了梳理,进而结合国外大学排行的基本情况,对大学排行的目的、实质及数据资料建设等基本问题进行了探讨。 相似文献