主元分析算法的matlab实现，可实现数据降温处理，模块完整，可直接应用。-Principal component analysis

bagging算法的R语言实现，完整代码，运行速度较快-bagging algorithm R language, the complete code to run faster

FpGrowth算法的Java完整实现，可用于改进到分布式环境，自制基础数据文件后结果可生成-Results can generate a full implementation of Java FpGrowth algorithm that can be used to improve the distributed environment, homemade basic data files