Overview: Data analysis software makes sense of large amounts of information quickly.Tools like R, Python, and SPSS simplify research and statistical studies.Vi ...
In a recent write-up, [David Delony] explains how he built a Wolfram Mathematica-like engine with Python. Core to the system is SymPy for symbolic math support. [David] said being able to work ...
Objective Interstitial lung disease (ILD) represents the most common and severe organ manifestation observed in patients ...
上面代码生成的数据可能跟原始数据匹配得很好,但是却缺少变化,覆盖不到生产环境可能出现的一些组合。有几种办法可以调节真实度和约束程度。可以换个比随机森林更强或更弱的模型来生成预测,或者调它的超参数。比如随机森林可以调树的最大深度 (max depth)。深度设得很浅会让随机森林更粗糙,更多按目标列的整体分布来,不那么强烈地依赖其他特征。