rosetta是一个粗糙集的处理软件，里面集成了大量的粗糙集的算法，里面有算法可以对数据进行预处理，可以对数据的属性和属性值进行约简。-rosetta is a rough set of processing software, which integrates a large number of rough set algorithm, which has the data preprocessing algorithm, the data can be attributes and attribute values reduction.