基于加权最小二乘法的武器装备批量生产成本费用研究

加权最小二乘法考虑了现实情况下普遍存在的异方差性，在经济预测中有着更为广泛的应用。在系统研究我国武器装备批量生产规律和状况的基础上，结合计量经济的相关理论，提出基于加权最小二乘法的费用预测模型，并辅以实例进行分析，结果表明，该方法移植性好，由于消除了异方差性的影响，模型的拟合和预测性能较一般最小二乘法更佳。

Cost Assessment on the Batch Manufacturing of Weaponry Using Weighted Least Squares Method

The heteroscedasticity are usually considered in applying the Weighted Least Squares (WLS) method, and it has a wide range of applications in economic forecast. A cost forecasting model was put forward using WLS method, which was based on a combination of studies on the batch manufacturing practice of weaponry and relevant econometric theory. The results of analyses by this model show that it can eliminate the impact of heteroscedasticity on the forecast works, and achieve a better forecast and fit of model...