Classification is to predict the class label of unknown data with supervisor obtained from experiential data , which is a basic problem in pattern recognitionx machine learning and statistics, as well as in data mining.

• 分类即通过由经验数据训练得到的分类器预测未知数据的归属，是模式识别、机器学习、统计分析等领域的一个基本问题，也是一种最常见的数据挖掘任务。