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Statistical Visualization of Environmental Data on the Web Using nViZn

机译：使用nvizn对网上环境数据的统计可视化

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Statistical analyses of large-scale data can often be hard to interpret. Often several pages of numbers are used to describe the data, which makes it tedious or difficult to find the numerical output that is of interest. Converting these numbers into information that is understandable and useful to someone without an extensive statistical background is also a task that is not easily accomplished. Visual representations such as maps, graphs, and charts can aid in this process. These help to better understand the information and processes the data is explaining. A recent improvement in visual statistics has been the use of the Internet. The new Illumitek software tool, nViZn, the follow-up to the Graphics Production Library (GPL), is a tool that allows a programmer to create interactive statistical displays on the Web. These displays allow a user to expand or narrow the focus of a graphical representation. It is possible to order, overlay, and rearrange the format of the data as fast as the user's Internet connection can process. Users do not need a statistical computing background to work with nViZn displays on the Web. The Internet provides easy access to such statistical displays to anyone with an Internet connection and a graphical user interface. We tested nViZn in order to determine its ability to display quality, information-rich statistical graphics. We were also interested in the difficulty of the process needed to create these displays. Our main application aimed at the display of 148 hazardous air pollutants (HAPs) for the 60,803 census tracts in the continental United States obtained from the U.S. Environmental Protection Agency's (EPA) Cumulative Exposure Project (CEP).
机译：大规模数据的统计分析通常很难解释。通常使用几页数字来描述数据，这使得它繁琐或难以找到感兴趣的数值输出。将这些数字转换为对没有广泛统计背景的某人可以理解并且有用的信息也是一种不容易实现的任务。视觉表示（如映射，图形和图表）可以帮助此过程有所帮助。这些有助于更好地了解数据和处理数据正在解释。最近的视觉统计数据的改进一直是互联网的使用。新的Illumitek软件工具NVIZN，图形生产库的后续行动（GPL）是一种工具，允许程序员在Web上创建交互式统计显示。这些显示允许用户扩展或缩小图形表示的焦点。随着用户的Internet连接可以处理，可以快速地订购，覆盖和重新排列数据的格式。用户不需要统计计算背景来使用Web上显示NVIZN。互联网可以轻松访问具有Internet连接的任何人的统计显示和图形用户界面。我们测试了NVIZN，以​​确定其显示质量，信息丰富的统计图形的能力。我们也对创建这些显示所需的过程难度感兴趣。我们的主要申请旨在显示在美国环境保护局（EPA）累积暴露项目（CEP）的美国大陆获得60,803人口普查的148个危险空气污染物（HAPS）。

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