相关实验视频
Updated: Jul 14, 2025

05:37
An R-Based Landscape Validation of a Competing Risk Model
Published on: September 16, 2022
2.1K
通过使用贝叶斯网络评估沿海地区的娱乐活动相关的风险
Meng-Tsung Lee1, Yang-Chi Chang2, Han-Chung Yang1
1Department of Marine Leisure Management, National Kaohsiung University of Science and Technology, Kaohsiung, Taiwan.
Heliyon
|October 9, 2023
概括
由于天气和缺乏安全意识,台湾的海洋娱乐活动存在溺水风险. 提高安全意识和自救技能对于减少事故至关重要.
科学领域:
- 环境科学 环境科学
- 公共卫生 公共卫生
- 风险管理 风险管理
背景情况:
- 台湾的岛屿地理带来了广的沿海地区,有娱乐活动.
- 溺水和近乎溺水的事件是这些海洋娱乐区的重大风险.
研究的目的:
- 确定和评估与台湾的海洋娱乐活动相关的风险.
- 开发一个风险评估模型,以防止溺水事件.
主要方法:
- 利用经过修改的Delphi面板方法与专家一起识别风险因素.
- 为已识别的风险因素分配概率值.
- 建立了一个贝叶斯网络,用于全面的风险评估.
主要成果:
- 恶劣的天气条件 (增加波浪高度,强流) 会增加溺水的风险.
- 个人缺乏安全意识增加了风险行为可能性.
- 自救能力不足显著增加了溺水的可能性.
结论:
- 在恶劣的天气条件下,应避免进行海洋娱乐活动.
- 提高参与者的安全意识和自救能力至关重要.
- 调查结果为海洋娱乐安全管理的利益相关者提供了参考.
相关概念视频
Design Example: Analyzing Capacity Contours for Flood Risk Assessment
53
Flood risk assessment involves careful planning and analysis to ensure the safety of communities near water retention structures. Capacity contours are a vital tool in this process, as they illustrate the potential spread of water at specific levels in a given area. In the context of building a bund across a small valley, these contours play a critical role in evaluating the safety of nearby residential areas.In this example, the bund is intended to store stormwater in the valley. The engineers...
53
Types of Biopharmaceutical Studies: Controlled and Non-Controlled Approaches
137
Biopharmaceutical studies constitute a vital field aiming to enhance drug delivery methods and refine therapeutic approaches, drawing upon diverse interdisciplinary knowledge. In research methodologies, the choice between controlled and non-controlled studies significantly influences the study's reliability and accuracy.
Non-controlled studies, commonly employed for initial exploration, lack a control group, rendering them susceptible to biases and external influences. In contrast,...
Non-controlled studies, commonly employed for initial exploration, lack a control group, rendering them susceptible to biases and external influences. In contrast,...
137
Relative Risk
195
Relative risk (RR) is a statistical measure commonly used in epidemiology to compare the likelihood of a particular event occurring between two groups. This metric is important for evaluating the relationship between exposure to a specific risk factor and the probability of a particular outcome. It plays a crucial role in medical research, public health studies, and risk assessment. Relative risk quantifies how much more (or less) likely an event is to occur in an exposed group compared to an...
195
Hazard Rate
122
The hazard rate, also known as the hazard function or failure rate, is a statistical measure used to describe the instantaneous rate at which an event occurs, given that the event has not yet happened. From a probabilistic perspective, it represents the likelihood that a subject will experience the event in a very small time interval, conditional on surviving up to the beginning of that interval. In terms of frequency, the hazard rate can be viewed as the ratio of the number of events to the...
122
Hazard Ratio
142
The hazard ratio (HR) is a widely used measure in clinical trials to compare the risk of events, such as death or disease recurrence, between two groups over time. It reflects the ratio of hazard rates—the instantaneous risk of the event occurring—between a treatment group and a control group. This measure provides valuable insights into the relative effectiveness of a treatment by assessing how the risk of an event differs between the two groups.
For example, in a clinical trial...
For example, in a clinical trial...
142
Probability Distributions
7.2K
The probability of a random variable x is the likelihood of its occurrence. A probability distribution represents the probabilities of a random variable using a formula, graph, or table. There are two types of probability distribution– discrete probability distribution and continuous probability distribution.
A discrete probability distribution is a probability distribution of discrete random variables. It can be categorized into binomial probability distribution and Poisson...
A discrete probability distribution is a probability distribution of discrete random variables. It can be categorized into binomial probability distribution and Poisson...
7.2K

