June 2024
Beginner to intermediate
352 pages
9h 29m
Korean
Content preview from 개발자를 위한 필수 수학
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42
개발자를 위한 필수 수학 워크북
연습 문제
7
장
0011
6
장에서 작업한 고용 유지 데이터(
https
://
tinyurl
.
com
/
y6r7qjrp
)에 신경망
을 적용하세요. 신경망을 구축한 뒤 이 데이터셋에서 예측하고, 정확도 및 오차
행렬을 사용해 성능을 평가해보세요. 이 문제에 적합한 모델일까요? 아니면 그
렇지 않을까요? 그 이유는 무엇일까요?
신경망을 처음부터 구축하는 것도 좋지만, 시간을 절약하기 위해 사이킷런, 파
이토치 또는 다른 딥러닝 라이브러리를 사용하는 것도 고려해보세요.
여러 가지 시도를 해볼 수 있습니다. 은닉 층
,
활성화 함수
,
테스트 데이터셋의 크기를 바
꿔 시도해보세요. 필자는
3
개의 노드와
ReLU
활성화 함수를 사용하는 은닉 층 하나를 사
용했는데
,
테스트 데이터셋에서 좋은 예측을 얻지 못했습니다. 오차 행렬과 정확도가 좋지
않았고 다른 설정 변경도 마찬가지로 좋지 않았습니다.
신경망이 실패하는 이유는 ① 데이터를 많이 소모하는 신경망에 비해 테스트 데이터셋이
너무 작고
,
② 이러한 유형의 문제에서는 로지스틱 회귀와 같은 더 간단하고 효과적인 모
델이 있기 때문일 수 있습니다. 그렇다고 해서 효과가 있는 설정을 찾을 수 없다는 말은 아
니지만
,
좋은 결과를 얻도록
p
해킹함으로써 적은 양의 훈련 및 테스트 데이터에 과대적합
되는
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and much more.
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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.