To prove the performance of methodology , two artificial problems ( one classification problem and one regression problem ) as well as two real problems ( one classification problem and one egression problem ) were employed to verify the methodology 并以二个人为?值?题（分?与?归各一题） 、二个实际应用?题（分?与?归各一题）加以验证。
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The case analysis centers on the reason why the port production development slows down . with the spss 11 . 0 statistic software , correlation ^ egression and curve estimation analysis have been carried out on guangzhou port ' s cargo sources and production capability . at 95 % confidence , it comes such a conclusion that guangzhou port has sufficient cargo sources but will become incapable in production 案例分析围绕港口生产发展速度下降的原因展开调查，并应用spss11 . 0统计软件包，对广州港货源和生产能力情况进行相关分析、曲线拟合分析和假设检验，在5置信度上得出“广州港货源充足但港口生产能力不足”的结论。
