擅长:python、mysql、java
<p>F1分数的定义(使用类型1,类型2错误)是</p>
<p><a href="https://i.stack.imgur.com/h44uZ.gif" rel="nofollow noreferrer"><img src="https://i.stack.imgur.com/h44uZ.gif" alt="F1 score equation"/></a></p>
<p>当你计算的时候</p>
<p><a href="https://i.stack.imgur.com/fmize.gif" rel="nofollow noreferrer"><img src="https://i.stack.imgur.com/fmize.gif" alt="enter image description here"/></a></p>
<p>(注意TN甚至没有出现在f1分数的方程式中)</p>