Prepare for the test migration and clustering.
为测试迁移和集群做准备。
If you do not actively test and validate your clustering during peak loads, during an actual failure the failover side can become constrained and deliver poor response times or even fail.
如果没有在峰值负载下积极测试和验证集群，那么在真正发生故障时，故障转移的一端可能受到资源限制，响应时间较长，甚至出现故障。
Partition coefficient is a common method for clustering validity test.
划分系数是聚类有效性检测中常用方法之一。
A method based on fuzzy C-mean clustering and image matching algorithms are proposed to detect atomization Angle and uniformity, applied to performance test-bed of engine nozzle.
提出了基于模糊C均值聚类和图像匹配，检测喷雾锥角和喷雾不均匀度的方法，并应用于发动机喷嘴性能检测。
Based on the test, the paper gets preference to configuration of car, preference to price and preference to transmission of car through the analysis of the multi-attribute utility clustering.
在此基础上，根据多属性效用聚类分析的结果获得了轿车配置偏好、价格偏好和变速器偏好三个消费群体。
Realize the system based clustering algorithm part of the recommendation on collaborative filtering and evaluate it, at last gives out the result of test with real data and try to explain it.
最后利用实际网站数据对基于聚类的协同过滤推荐系统的聚类算法进行了实现，给出了系统试验结果，并对结果做出解释和评价。
According to the test, comparing with single FCM and APSO algorithm, this algorithm is more accurate in clustering and higher efficiency as well.
实验表明：新算法与单一的FCM和APSO算法相比聚类更准确，效率更高。
According to the test, comparing with single FCM and APSO algorithm, this algorithm is more accurate in clustering and higher efficiency as well.
实验表明：新算法与单一的FCM和APSO算法相比聚类更准确，效率更高。
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