A filter expression is created in the warehouse target model which will use the default value (if provided).
在仓库目标模型中创建一个过滤器表达式，这将用到默认值(如有提供)。
Then a model is created, that can later be applied to records for which the target value is not yet known, yielding a prediction and a confidence value for this prediction.
然后创建一个模型，再将这个模型应用到目标值尚且未知的记录上，以产生一个预测和该预测的置信度值。
It represent in the model setup with the linear complete transfer and the minimum risk of loans portfolio as the target function and the constraint of earning yield risk value.
具体表现为运用线性完备变换方法，以贷款组合风险最小为目标函数，以贷款组合期望收益率为约束条件建立模型。
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