F1- score is used in binary classifiers. F1 can be defined a... | Programming and Data Structure | SolveeIt | Solveeit

Today, August 23

Question

F1- score is used in binary classifiers. F1 can be defined as

A

$FI= \frac{precision+recall}{ 2×precision×recall}$

B

F1-(precision+recall) ×2

C

$FI= \frac{2 ×precision× recall }{precision+recall}$

D

$FI= \frac{4×precision+recall }{precision ×recall}$

Answer

$FI= \frac{2 ×precision× recall }{precision+recall}$

Explanation

Solution

The correct option is(C): $FI= \frac{2 ×precision× recall }{precision+recall}$