求翻译：金融时间序列在时间、涨跌幅度上有差异，那么就需要对数据信息进行挖掘，找到变化趋势的相异性。聚类分析就是从给定的数据集中搜索数据对象之间所存在的有价值的联系, 使得数据在类内相似性最大、在类间相似性最小。是什么意思？

Financial time series in time Change rate differences, then we need to carry out excavation data, find trends dissimilarity. Cluster analysis is a valuable link between the search data object from the given data set, making the data in the class similarity between classes similar to the least.

financial time series in the time, the rise and fall, there is a difference, it was necessary to carry out excavation, data and information to find trends in the opposite sex. Clustering analysis is from a given search data on the data object exists between the value of the contact data in the class

正在翻译，请等待...

Financial time series at the time, on the price of a difference, then we need information on data mining, find the diverse trends. Cluster analysis is to search from a given data set is a valuable link between data objects, data within the class maximum of similarity, and similarities between classe

The finance time series in the time, the rise and drop scope have the difference, then needs to carry on the excavation to the data message, found the change tendency the diversity.The cluster analysis is from in the data set which assigns searches the valuable relation which between the data object