parametric estimate

简明释义

参数估计

英英释义

例句

1.The finance department recommended a parametric estimate to evaluate the investment project's potential returns.

财务部门建议使用参数估算来评估投资项目的潜在收益。

2.The construction team relied on a parametric estimate to determine the materials needed for the building.

建筑团队依赖于参数估算来确定建筑所需的材料。

3.Using historical data, the analyst created a parametric estimate for the marketing campaign budget.

利用历史数据，分析师为营销活动预算创建了参数估算。

4.The project manager used a parametric estimate to calculate the costs based on similar past projects.

项目经理利用参数估算根据类似的过去项目计算成本。

5.By applying a parametric estimate, we were able to predict the duration of the new software development.

通过应用参数估算，我们能够预测新软件开发的持续时间。

作文

In the world of project management and financial planning, estimating costs and resources accurately is crucial for success. One effective method that professionals often employ is the parametric estimate. This technique allows estimators to use statistical relationships between historical data and other variables to predict future outcomes. The parametric estimate is particularly useful when dealing with large projects where detailed information may not be readily available. By utilizing parameters such as cost per unit or time per task, project managers can create reliable forecasts that help in budgeting and scheduling.For example, consider a construction project where the cost of building a house is typically $150 per square foot based on previous projects. If a new house is planned to be 2,000 square feet, a parametric estimate would quickly suggest a total cost of $300,000. This method saves time and reduces the complexity involved in traditional estimating techniques that require detailed breakdowns of every component.Moreover, the parametric estimate can be adjusted for various factors that may influence costs, such as location, material prices, and labor rates. This flexibility makes it an invaluable tool in dynamic environments where conditions change frequently. For instance, if labor costs increase by 10% in a specific region, the estimator can easily modify the initial parametric estimate to reflect this change, ensuring that the budget remains accurate and relevant.However, while the parametric estimate is a powerful tool, it is not without its limitations. The accuracy of the estimates heavily relies on the quality of the historical data used. If the past projects were not similar enough to the current one, or if the data was flawed, the estimates could lead to significant inaccuracies. Therefore, it is essential for estimators to ensure that they are using reliable and relevant data when performing a parametric estimate.Additionally, estimators must also consider the potential for unforeseen circumstances that could affect their estimates. While the parametric estimate provides a solid foundation for budgeting, it should be used in conjunction with other estimating methods and risk management strategies to account for uncertainties. This holistic approach helps project managers to prepare for various scenarios and make informed decisions.In conclusion, the parametric estimate serves as a vital tool in the arsenal of project managers and financial planners. Its ability to leverage historical data and establish statistical relationships enables professionals to make quick and informed predictions about costs and resources. However, it is essential to recognize its limitations and supplement it with other methods to ensure comprehensive and accurate planning. By understanding and effectively utilizing the parametric estimate, organizations can enhance their project outcomes and achieve greater success in their endeavors.

在项目管理和财务规划的世界中，准确估算成本和资源对成功至关重要。专业人士常用的一种有效方法是参数估算。这一技术允许估算者利用历史数据与其他变量之间的统计关系来预测未来结果。参数估算在处理大型项目时特别有用，因为详细信息可能并不总是可用。通过利用每单位成本或每项任务所需时间等参数，项目经理能够创建可靠的预测，这有助于预算和排期。例如，考虑一个建筑项目，其中建造一座房子的成本通常为每平方英尺150美元，基于以前的项目。如果计划建造的新房子面积为2000平方英尺，则参数估算会迅速建议总成本为30万美元。这种方法节省了时间，并减少了传统估算技术中涉及的每个组件的详细分解的复杂性。此外，参数估算可以根据可能影响成本的各种因素进行调整，例如位置、材料价格和劳动力费用。这种灵活性使其成为动态环境中不可或缺的工具，在这些环境中条件经常变化。例如，如果某个地区的劳动力成本增加了10%，估算者可以轻松修改初始的参数估算以反映这一变化，从而确保预算保持准确和相关。然而，虽然参数估算是一种强大的工具，但它并非没有局限性。估算的准确性在很大程度上依赖于所使用的历史数据的质量。如果过去的项目与当前项目不够相似，或者数据存在缺陷，估算可能导致重大不准确。因此，估算者在进行参数估算时必须确保使用可靠和相关的数据。此外，估算者还必须考虑可能影响其估算的不可预见情况。虽然参数估算为预算提供了坚实的基础，但应与其他估算方法和风险管理策略结合使用，以应对不确定性。这种整体方法有助于项目经理为各种情况做好准备，并做出明智的决策。总之，参数估算作为项目经理和财务规划人员的重要工具。它利用历史数据并建立统计关系的能力，使专业人士能够快速和明智地预测成本和资源。然而，必须认识到其局限性，并通过其他方法补充，以确保全面和准确的规划。通过理解和有效利用参数估算，组织可以增强其项目成果，并在努力中取得更大的成功。