spconfShiny:一种R Shiny应用程序,用于计算点数据的光滑线的空间尺度
Maddie J Rainey1, Kayleigh P Keller1
1Department of Statistics, Colorado State University, Fort Collins, CO, United States of America.
PloS one
|October 4, 2024
概括
研究人员开发了spconfShiny,这是一种用于理解流行病学模型中的空间平滑的工具. 该应用程序有助于量化为准确的环境暴露分析所需的空间线数.
科学领域:
- 环境流行病学环境流行病学
- 空间统计的空间统计.
- 地理信息系统 (GIS) 是一个地理信息系统.
背景情况:
- 流行病学研究经常使用空间线来控制基于位置的混因素.
- 空间斜线数量与空间平滑度之间的关系并不总是清晰的.
- 量化空间平滑对于准确的环境暴露评估至关重要.
研究的目的:
- 开发一个用户友好的R Shiny应用程序,spconfShiny,用于计算有效的带宽指标.
- 在流行病学模型中量化空间支线和空间平滑之间的关系.
- 为研究人员提供一个工具,以便在他们的分析中更好地理解空间混.
主要方法:
- 开发了spconfShiny R应用程序.
- 对不同数量的空间线的有效带宽的计算.
- 该方法在包括英格兰,印度,爱尔兰,北爱尔兰和美国在内的不同地理区域的应用.
主要成果:
- 有效带宽随着地理区域大小的增加而增加.
- 有效带宽随着空间线数量的增加而减少.
- 例如,10公里电网上的10个分线在爱尔兰的有效带宽为92.2公里,在美国为927.7公里.
结论:
- spconfShiny提供了一种直观的方法来评估流行病学模型中的空间平滑.
- 有效的带宽度指标有助于为环境暴露分析选择合适的空间线.
- 了解空间平滑对于与环境因素相关的强有力的流行病学发现至关重要.
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