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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523
13
장
텐서플로에서 데이터 적재와 전처리하기
리스트를 포함하고 있습니다.
Feature
객체는 바이트 스트링의 리스트나
64
비트 정수의 리
스트, 실수의 리스트일 수 있습니다 (이 예에서
Feature
는 하나의 문장이나 코멘트를 표현합
니다. 아마도 단어를 나타내는 아이디의 리스트 형태일 것입니다).
SequenceExample
를 만들
고 직렬화하고 파싱하는 것은
Example
을 만들고 직렬화하고 파싱하는 것과 비슷합니다. 하지
만 하나의
SequenceExample
를 파싱하려면
tf
.
io
.
parse
_
single
_
sequence
_
example
()
를
사용하고 배치를 파싱하려면
tf
.
io
.
parse
_
sequence
_
example
()
를 사용해야 합니다. 두 함
수는 모두 문맥 특성 (딕셔너리 )과 특성 리스트 (역시 딕셔너리 )를 담은 튜플을 반환합니다. 특
성 리스트가 (앞선 예제처럼 ) 가변 길이의 시퀀스를 담고 있다면
tf
.
RaggedTensor
.
from
_
sparse
()
를 사용해 래그드 텐서로 바꿀 수 있습니다 (주피터 노트북에서 전체 코드를 확인하
세요 ).
parsed_context, parsed_feature_lists = tf.io.parse_single_sequence_example(
serialized_sequence_example, context_feature_descriptions ...
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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.