相关实验视频
Updated: May 27, 2025

16:14
Trajectory Data Analyses for Pedestrian Space-time Activity Study
Published on: February 25, 2013
13.5K
使用个人谷歌位置历史记录数据来识别消费者与食品商店的接触
Olufunso Oje1, Ofer Amram2, Perry Hystad3
1School of Electrical Engineering and Computer Science, Washington State University, Pullman, WA, USA. olufunso.oje@wsu.edu.
International journal of health geographics
|February 15, 2025
概括
谷歌位置历史时间线 (GLH) 数据提供了一种新的方法来跟踪个人食品店的使用情况. 这种方法揭示了详细的食物环境相互作用,改善了我们对饮食和健康的理解.
科学领域:
- 营养流行病学 营养流行病学
- 地理信息系统 (GIS) 是指地理信息系统.
- 数字卫生技术数字卫生技术
背景情况:
- 预防慢性疾病需要对饮食模式和食物环境进行客观测量.
- 使用家庭地址的传统GIS方法可能会误导社区的食物获取.
- 个人层面的食品出售点使用模式对于了解饮食相关的健康结果至关重要.
研究的目的:
- 引入和验证谷歌位置历史时间线 (GLH) 数据,作为评估个人食品环境相互作用的新工具.
- 在个人层面上分析长期的食品出售点使用模式.
- 探索食物环境暴露,饮食质量和健康之间的关系.
主要方法:
- 利用了来自华盛顿州双胞胎注册表 (WSTR) 357名参与者的谷歌位置历史 (GLH) 数据.
- 开发了算法来识别使用地理边界位置和持续时间值的食品出售点访问.
- 计算了各种类型的食品网点 (如超市,餐馆) 的访问频率,并分析了住宅位置的近距离.
主要成果:
- 在357名参与者中,确定了156,405次食品门店访问.
- 提供全方位服务的餐厅占据了大部分 (60%) 的确定的访问.
- 显著的大多数餐饮店的访问发生在参与者居住地1公里半径之外.
结论:
- 谷歌位置历史 (GLH) 数据提供了一种强大,新的方法来评估个人级别的食物利用行为.
- 与传统的GIS方法相比,这种方法提供了对食品环境暴露的更细致的见解.
- GLH数据可以增强我们对饮食模式及其对健康的影响的理解.
相关概念视频
Design Example: Identifying the Locations of Monuments in the Field Using Global Positioning System Device
19
Surveyors use Global Positioning System (GPS) technology to measure the precise location and elevation of points on Earth. In a recent survey, GPS receivers were used to determine the coordinates and elevations of two park monuments. The process involved careful mission planning, data collection, and correction to ensure accuracy. The survey began with mission planning to identify optimal satellite visibility and minimize Position Dilution of Precision (PDOP). A geodetic control point...
19
Selected Data About Geographic Locations
23
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...
23
Factorial Design
13.0K
Factorial Analysis is an experimental design that applies Analysis of Variance (ANOVA) statistical procedures to examine a change in a dependent variable due to more than one independent variable, also known as factors. Changes in worker productivity can be reasoned, for example, to be influenced by salary and other conditions, such as skill level. One way to test this hypothesis is by categorizing salary into three levels (low, moderate, and high) and skills sets into two levels (entry level...
13.0K
Field Application of Global Positioning System
25
The Global Positioning System (GPS) has become an indispensable tool in fieldwork, offering unparalleled precision and efficiency for surveying, navigation, and infrastructure development. By harnessing signals from a constellation of satellites, GPS receivers determine the location of objects with remarkable speed and accuracy, often completing calculations within a second.Advantages of Modern GPS TechnologyContemporary GPS receivers are designed to meet the practical demands of field...
25
Introduction to GIS
52
Geographic Information Systems (GIS) are tools for storing, analyzing, and displaying spatial data alongside related attributes. Unlike traditional information systems that address general queries, GIS incorporates spatial components, enabling users to answer "where" and "how far." For example, GIS can process housing data linked to geographic locations like zip codes, allowing insights into population density or housing distribution through thematic maps.GIS integrates technologies such as...
52

