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相关概念视频

Manipulation and Analysis01:21

Manipulation and Analysis

45
GIS manipulation and analysis functions are vital for decision-making and planning. These activities range from data retrieval tasks, such as selecting information based on specific criteria, to advanced analytical techniques that address complex spatial problems.One critical GIS analysis method is overlaying, which combines multiple data layers to examine impacts. For example, overlaying a river-dammed lake boundary with road networks can identify affected infrastructure. Another common...
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Statistical Analysis: Overview01:11

Statistical Analysis: Overview

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When we take repeated measurements on the same or replicated samples, we will observe inconsistencies in the magnitude. These inconsistencies are called errors. To categorize and characterize these results and their errors, the researcher can use statistical analysis to determine the quality of the measurements and/or suitability of the methods.
One of the most commonly used statistical quantifiers is the mean, which is the ratio between the sum of the numerical values of all results and the...
6.7K
Selected Data About Geographic Locations01:25

Selected Data About Geographic Locations

49
Geographic Information Systems (GIS) rely on two core types of data: spatial data and attribute data.Spatial DataSpatial data defines the physical location of features within a coordinate system, typically expressed in terms of latitude and longitude. It provides precise positioning for elements like roads, rivers, or buildings.Attribute DataAttribute data complements spatial data by adding descriptive information about these features. For example, a road's spatial data includes its start and...
49
Levels of Use of a GIS01:29

Levels of Use of a GIS

72
Geographic Information Systems (GIS) operate across three levels of application, each representing an increasing degree of complexity: data management, analysis, and prediction. These levels reflect the expanding functionality and versatility of GIS technology in handling spatial data for diverse purposes.Data ManagementAt its foundational level, GIS serves as a tool for data management, enabling the input, storage, retrieval, and organization of spatial data. This level is often employed in...
72
Statgraphics01:10

Statgraphics

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Statgraphics is a comprehensive statistical software suite designed for both basic and advanced data analysis. Originating in 1980 at Princeton University under Dr. Neil W. Polhemus, it was one of the pioneering tools for statistical computing on personal computers, with its public release in 1982 marking an early milestone in data science software. Over the years, it has evolved into a robust platform for data science, offering tools for regression analysis, ANOVA, multivariate statistics,...
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Scanning Electron Microscopy01:07

Scanning Electron Microscopy

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A scanning electron microscope (SEM) is used to study the surface features of a sample by using an electron beam that scans the sample surface in a two-dimensional manner. Typically, areas between ~1 centimeter to 5 micrometers in width can be imaged. SEM can be used to image bacteria, viruses, tissues as well as larger samples like insects. Conventional SEM gives a magnification ranging from 20X to 30,000X and spatial resolution of 50 to 100 nanometers.
Fundamental Principles
Accelerated...
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相关实验视频

Updated: Jul 25, 2025

Comparing Bibliometric Analysis Using PubMed, Scopus, and Web of Science Databases
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Comparing Bibliometric Analysis Using PubMed, Scopus, and Web of Science Databases

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使用SciMAT进行全球城市数据分析:一个文献计量审查.

Bagher Bagheri1, Hossein Azadi2, Ali Soltani3

  • 1Department of Urban and Regional Planning, Faculty of Architecture and Urban Planning, Shahid Beheshti University, Tehran, Iran.

Environment, development and sustainability
|June 26, 2023
PubMed
概括

这种图书统计分析绘制了全球城市的研究格局,揭示了关键参与者,机构和新兴主题. 它提供了从1991年到2023年全球城市研究的演变的见解.

关键词:
图书统计检查 (Bibliometric review) 是对图书统计的检查,它是对图书统计的检查.数据分析数据分析全球城市 全球城市这就是SciMAT的意义.科学网络的科学网络.

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Global and Current Research Trends of Single-Cell Sequencing in Cancer: A Bibliometric and Visualization Study
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Author Spotlight: Emerging Technologies and Advanced Tools for Decoding Metabolomics Data Analysis
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相关实验视频

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科学领域:

  • 城市研究 城市研究
  • 经济地理 经济地理
  • 图书统计学 图书统计学

背景情况:

  • 全球城市是关键的经济枢纽,促进创新,金融和国际贸易.
  • 他们的开放性,多样性和人才吸引力是定义特征.
  • 了解全球城市的研究对决策者和利益相关者至关重要.

研究的目的:

  • 进行全球城市研究领域的图书统计分析.
  • 确定关键的研究趋势,有影响力的作者,机构和地理分布.
  • 为了绘制全球城市文学中的结构和热点.

主要方法:

  • 从科学网络 (1991-2023) 的期刊文章的图书统计分析.
  • 使用SciMAT和VOS Viewer软件进行数据分析.
  • 审查的文档类型,作者/机构分布,以及研究主题.

主要成果:

  • 确定了关键作者,他们的研究兴趣和作者之间的关系.
  • 绘制了研究和重要机构的地理分布.
  • 揭示了主要的研究主题和全球城市研究中的新兴热点.

结论:

  • 该研究提供了全球城市研究格局的全面概述.
  • 提供了关于研究生产力,协作和影响的宝贵见解.
  • 帮助研究人员和政策制定者了解全球城市发展和影响力.