Redshift estimates in the SDSS DR2

We have applied ClassX, an oblique decision tree classifier optimized for astronomical analysis, to the homogeneous multicolor imaging database of the Sloan Digital Sky Survey...我们将ClassX——一款针对天文分析优化的斜向决策树分类器——应用于斯隆数字巡天（Sloan Digital Sky Survey）的均匀多色成像数据库中……