May 2020
Beginner to intermediate
952 pages
24h 11m
Korean
Content preview from 핸즈온 머신러닝(2판): 사이킷런, 케라스, 텐서플로 2를 활용한 머신러닝, 딥러닝 완벽 실무
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352
2
부
신경망과 딥러닝
루는 데 적합합니다.
3
이 장은 인공 신경망의 초창기 구조를 간단히 소개하는 것으로 시작합니다. 그런 다음 요즘 많
이 사용하는
다층 퍼셉트론
multi
-
layer
perceptron
(
MLP
)을 설명합니다 (다른 구조는 다음 장에서 살
펴보겠습니다 ). 이어서 인기가 높은 케라스
Keras
API
를 사용하여 인공 신경망을 구현하는 방
법을 알아봅니다. 케라스는 신경망 구축, 훈련, 평가, 실행을 목적으로 설계된 멋지고 간결한
고수준
API
입니다. 하지만 이 간결함이 단순함을 의미하는 건 아닙니다. 케라스는 아주 다양
한 신경망 구조를 만들 수 있을 만큼 충분히 유연하고 표현력이 뛰어나니까요. 아마도 대부분
의 신경망은 케라스만으로도 충분할 것입니다. 만약 더 유연한 구조가 필요하다면 언제든지 저
수준
API
를 사용해 사용자 정의 케라스 컴포넌트를 만들 수 있습니다. 이는
12
장에서 알아봅
니다.
먼저 인공 신경망이 어떻게 만들어졌는지 시간을 거슬러 올라가봅시다.
10.1
생물학적 뉴런에서 인공 뉴런까지
놀랍게도 인공 신경망은 꽤 오래전부터 있었습니다.
1943
년 신경생리학자 워런 매컬러
Warren
McCulloch
와 수학자 월터 피츠
Walter
Pitts
가 독보적인 논문
4
에서 처음 소개했습니다. 명제 논리를 사
용해 동물 뇌의 생물학적 뉴런이 ...
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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.