supervised vs unsupervised Learning

December 31, 2019

What is supervised ?

有存在正確答案的的數據,簡而言之就是有"Label"。監督式學習從有 Label 的數據學習建立出可預測的模型。例如:天氣狀況、物件辨識等。

流程:

Training Data -> Features Selection -> Algorithm -> Model

Type

from : [http://www.slideshare.net/datascienceth/machine-learning-in-image-processing]

What is unsupervised ?

從無 Label 中的數據,自行找出資料的結構建立模型。相比監督式學習,無監督更加不可預測。

Type

from: [https://medium.com/data-science-by-heart/types-of-learning-93b721d5af91]