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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644
2
부
신경망과 딥러닝
embed_size = 128
model = keras.models.Sequential([
keras.layers.Embedding(vocab_size + num_oov_buckets, embed_size,
input_shape=[None]),
keras.layers.GRU(128, return_sequences=True),
keras.layers.GRU(128),
keras.layers.Dense(1, activation="sigmoid")
])
model.compile(loss="binary_crossentropy", optimizer="adam",
metrics=["accuracy"])
history = model.fit(train_set, epochs=5)
첫 번째 층은 단어
ID
를 (
13
장에서 소개한 ) 임베딩으로 변환하는
Embedding
층입니다. 임베
딩 행렬은 단어
ID
당(
vocab
_
size
+
num
_
oov
_
buckets
) 하나의 행과 임베딩 차원당 (이 예에
서는
128
차원을 사용하지만 이는 튜닝할 수 있는 하이퍼파라미터입니다 ) 하나의 열을 가집니
다. 모델의 입력은 [배치 크기, 타임 스텝 수] 크기를 가진
2D
텐서이지만
Embedding
층의 출
력은 [배치 크기, 타임 스텝 수, 임베딩 크기] 크기를 가진 ...
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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.