The results show that the forecasting precision of the PPR model is much better than that of stepwise regression (SR) model.
结果表明，PPR模型的预测效果明显优于逐步回归预测模型，对福建热带气旋年季频数具有较好的预测能力。
Methods: Based on the first page of the case data from 1998 to 2000, the cost forecasting model of the hospitalization expenditure were established, applying stepwise regression analysis.
方法：根据1998至2 0 0 0年的住院大病病案首页，采用多元逐步回归分析等统计方法构建住院费用预测模型。
Methods: Based on the first page of the case data from 1998 to 2000, the cost forecasting model of the hospitalization expenditure were established, applying stepwise regression analysis.
方法：根据1998至2 0 0 0年的住院大病病案首页，采用多元逐步回归分析等统计方法构建住院费用预测模型。
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