通过KNN分类法，根据酒的某些性状信息对酒进行分类。然后，通过交叉验证对分类结果进行测试。最后，对数据进行主成分分析，再进行分类。-By KNN classification, according to certain traits information wine wine classification. Then, through cross-validation of the classification tested. Finally, principal component analy

利用cosin余弦距离量化不同数据集间相似性测度的matlab函数-quantize the similarity between data sets using cosin distance

用于不同时间序列的重分形交叉相关性分析的多重分形去趋势交叉相关模型，整合了多重分形去趋势交叉相关系数于其中(A multifractal de-trend cross-correlation model for multifractal cross-correlation analysis of different time series is proposed, in which multifractal de-trend cross-correlation coefficients are