December 2024
Beginner to intermediate
336 pages
7h 41m
Korean
Content preview from 로우코드 AI
Become an O’Reilly member and get unlimited access to this title plus top books and audiobooks from O’Reilly and nearly 200 top publishers, thousands of courses curated by job role, 150+ live events each month,
O’Reilly covers everything we've got, with content to help us build a world-class technology community, upgrade the capabilities and competencies of our teams, and improve overall team performance as well as their engagement.I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.I’ve been on the O’Reilly platform for more than eight years. I use a couple of learning platforms, but I'm on O'Reilly more than anybody else. When you're there, you start learning. I'm never disappointed.I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.
144
로우코드 AI
F
PR
PR
1
2
=
×
+
()
F1
점수는 정확도와 재현율 중 작은 쪽에 치우치는 경향이 있습니다. 따라서 다른 지표의 최적
화를 위해 또 다른 지표를 너무 많이 희생하지 않고 싶은 상황에서 좋은 지표가 될 수 있습니다.
정밀도와 재현율은 설정된 임곗값뿐만 아니라 모델에 따라서도 크게 달라집니다. 지표가 임곗
값에 크게 의존한다면, 모델을 어떻게 결정해야 할까요? 수신자조작특성
receiver
operator
characteristic
curve
(
ROC
)의 곡선아래면적
area
under
the
curve
(
AUC
) 및 정밀도-재현율 곡선아래면적
precision
-
recall
curve
(
PR
AUC
)과 같이, 모델에만 의존하는 지표가 있습니다. 이 두 지표는 모두 범위가
0
~
1
사
이이며,
1
에 가까울수록 더 좋은 모델을 의미합니다. 이러한 지표에 관한 자세한 내용은 이 책에
서 다루지 않습니다. 하지만 이들을 직관적으로 이해해 보는 노력은 실무에 도움이 될 것입니다.
ROC
는 재현율과 거짓 양성률을 비교하는 그래프입니다. 이 곡선의 각 점은 서로 다른 임곗값
에 해당하므로 곡선 전체에서 가능한 모든 임곗값을 한눈에 확인할 수 있습니다. 곡선아래면적
인
ROC
AUC
는 모델이 양성 데이터를 실제로도 양성으로 판단할 확률을 나타냅니다. 이는 분
류 문제에서 ...
Become an O’Reilly member and get unlimited access to this title plus top books and audiobooks from O’Reilly and nearly 200 top publishers, thousands of courses curated by job role, 150+ live events each month,
and much more.
Read now
Unlock full access
More than 5,000 organizations count on O’Reilly
O’Reilly covers everything we've got, with content to help us build a world-class technology community, upgrade the capabilities and competencies of our teams, and improve overall team performance as well as their engagement.Julian F.
I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.Addison B.
I’ve been on the O’Reilly platform for more than eight years. I use a couple of learning platforms, but I'm on O'Reilly more than anybody else. When you're there, you start learning. I'm never disappointed.Amir M.
I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.