你周围有没有一些交易高手，看一眼股票的K线就可以大致预测后续的走势。虽然不是完全准确，但也能说个七七八八。 这源于他们在市场较久，此前或多或少见过类似图形，对后市有一定判断。是长期的经验积累所致，而非真正的预测行情。 对经验不足的新手 ...

Data clustering, or cluster analysis, is the process of grouping data items so that similar items belong to the same group/cluster. There are many clustering techniques. In this article I'll explain ...

The weighted k-nearest neighbors (k-NN) classification algorithm is a relatively simple technique to predict the class of an item based on two or more numeric predictor variables. For example, you ...