Recent Posts

scikit-learn: Pipeline

1 minute read

Pipeline 的作用,见名知意,就是把多个 processor units chain up 起来。Pipeline 要求前 $N-1$ 个 processor units 是 Transformer,最后一个 processor unit 是 Estimator。我们举个例子看看就很好理解了:

Python: Mixin

less than 1 minute read

首先 a Mixin is class to be mixed-in,它在 python 里起到的作用类似于 interface 或者 abstract class,但是又有点微小的差别,我们来看个例子:

ML Terminology

3 minute read

Confusion matrix $\subset$ Contingency table