You can also use earned value analysis to identify cost variances , such as the difference between a task ' s estimated and actual costs 您也可以使用盈余分析找出成本差异,如某项任务的估计成本和实际成本之间的差异。
Compared with the traditional method of project management , earned value method is a practical way , but it also has a certain limit ion 它是项目成本和工期的集成方法,和传统的单因素偏差分析方法相比,挣值分析方法具有明显的优越性。
In microsoft project , you can use the earned value table to see the actual completion percentage of each task in terms of resource costs . 在microsoftproject中,您可以用“盈余分析”表来查看每项任务基于资源成本的实际完成百分比。
When you want to compare your expected progress with the actual progress to date for tasks that have resources assigned , you can use earned value analysis 需要按日期比较分配了资源的任务的预期进度和实际进度时,可以使用盈余分析方法。
Earned value indicators that are ratios , such as the cost performance index ( cpi ) and the schedule performance index ( spi ) , can be greater than 1 or less than 1 比值形式的盈余分析标记,如成本业绩指数( cpi )和日程业绩指数( spi ) ,可以大于1也可以小于1 。