observed life table

简明释义

测定使用期限,测定寿命表

英英释义

例句

1.By comparing the observed life table with theoretical models, we can identify discrepancies in our predictions.

通过将观察生命表与理论模型进行比较，我们可以识别出预测中的差异。

2.The observed life table indicated a significant increase in life expectancy for women in urban areas.

该观察生命表显示城市地区女性的预期寿命显著增加。

3.Insurance companies often rely on the observed life table to set their premium rates.

保险公司通常依赖于观察生命表来设定保费率。

4.The observed life table provides valuable insights into the health trends of different demographics.

该观察生命表为不同人群的健康趋势提供了宝贵的见解。

5.The researchers used the observed life table to analyze the mortality rates of the population over a decade.

研究人员使用观察生命表来分析该人群在十年内的死亡率。

作文

The concept of the observed life table is crucial in the field of demography and statistics. It provides a systematic way to analyze the mortality rates of a population over time. By observing the actual life events of individuals within a specific cohort, researchers can compile data that reflects the real-life experiences of that group. This method contrasts with theoretical models that may not accurately represent the complexities of human life. To understand the significance of the observed life table, one must first grasp what a life table is. A life table is a statistical table that shows the probability of death and survival at various ages for a given population. It typically includes columns that represent the age intervals, number of individuals alive at the beginning of each interval, the number of deaths during that interval, and the probability of dying or surviving. The observed life table specifically refers to tables generated from actual observed data rather than estimates or projections.The creation of an observed life table involves collecting data from a specific population over a defined period. For example, if researchers were to study the life expectancy of a particular city’s residents, they would track the births and deaths within that population over several years. This data would then be used to construct the table, allowing statisticians to determine trends in mortality and survival.One of the primary uses of the observed life table is in public health. By analyzing the mortality rates and causes of death within a population, health officials can identify critical areas of concern. For instance, if the table indicates a high mortality rate among young adults due to specific diseases, targeted health interventions can be implemented to address these issues. This proactive approach can lead to improved health outcomes and increased life expectancy.Moreover, the observed life table also plays a significant role in insurance and pension planning. Insurance companies rely on accurate mortality data to set premiums and ensure they have sufficient funds to cover claims. Similarly, pension funds use life tables to estimate how long they will need to pay benefits to retirees. An accurate observed life table allows these organizations to make informed decisions about their financial strategies.In recent years, advancements in technology and data collection methods have enhanced the accuracy of the observed life table. With the rise of electronic health records and big data analytics, researchers can gather more comprehensive data sets that provide deeper insights into population health trends. These innovations enable more precise calculations of life expectancy and mortality rates, leading to better public health policies and insurance practices.In conclusion, the observed life table serves as a fundamental tool in understanding the dynamics of mortality and survival within populations. Its applications extend beyond academic research to practical implications in healthcare, insurance, and social policy. As we continue to refine our data collection methods and analytical techniques, the value of the observed life table will only grow, providing essential insights that can improve the quality of life for individuals and communities alike.

“观察生命表”（observed life table）的概念在人口统计学和统计学领域至关重要。它提供了一种系统的方法来分析一个人群随时间变化的死亡率。通过观察特定队列中个体的实际生活事件，研究人员可以编制反映该组真实生活经历的数据。这种方法与可能无法准确代表人类生活复杂性的理论模型形成了对比。要理解观察生命表的重要性，首先必须掌握生命表的含义。生命表是一种统计表，显示特定人群在不同年龄段的死亡和生存概率。它通常包括表示年龄区间、每个区间开始时存活的个体数量、在该区间内的死亡人数以及死亡或生存的概率的列。观察生命表特别指的是从实际观察数据生成的表，而不是估算或预测。创建观察生命表涉及在特定时间段内收集特定人群的数据。例如，如果研究人员想研究某个城市居民的预期寿命，他们会跟踪该人群在数年内的出生和死亡情况。然后，这些数据将用于构建表格，使统计学家能够确定死亡和生存的趋势。观察生命表的主要用途之一是在公共卫生领域。通过分析人群中的死亡率和死亡原因，卫生官员可以识别出关键关注领域。例如，如果表明年轻成年人因特定疾病而死亡率较高，则可以实施针对性的健康干预。这种主动的方法可以改善健康结果并提高预期寿命。此外，观察生命表在保险和养老金规划中也发挥着重要作用。保险公司依赖于准确的死亡数据来设定保费，并确保他们有足够的资金来支付索赔。同样，养老金基金使用生命表来估计他们需要多长时间向退休人员支付福利。准确的观察生命表使这些组织能够做出明智的财务决策。近年来，技术和数据收集方法的进步提高了观察生命表的准确性。随着电子健康记录和大数据分析的兴起，研究人员可以收集更全面的数据集，从而提供对人群健康趋势的更深入洞察。这些创新使得对预期寿命和死亡率的计算更加精确，进而导致更好的公共卫生政策和保险实践。总之，观察生命表作为理解人群死亡和生存动态的基本工具，其应用超越了学术研究，对医疗保健、保险和社会政策具有实际意义。随着我们继续完善数据收集方法和分析技术，观察生命表的价值只会增加，提供的关键洞察将改善个人和社区的生活质量。