MLlib 是spark 机器学习的库，它的目标是使机器学习算法能更容易上手。这个库包含通用学习算法和工具集，包括：分类，回归，聚类，协同过滤，降维，以及深层优化策略和上层管道API（pipeline）.-MLlib is spark machine learning library, which aims to make a machine learning algorithm can be more easy to use. This library contains a common se