December 2024
Beginner to intermediate
336 pages
7h 41m
Korean
Content preview from 로우코드 AI
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163
6
장
빅쿼리 ML로 선형 회귀 모델 학습시키기
테이블을 생성한 후에는 해당 테이블을 선택한 뒤, ‘스키마’ 탭에서 테이블의 스키마를 확인합
니다. ‘미리보기’ 탭을 선택하면 테이블의 데이터를 즉시 확인할 수도 있습니다. [그림
6
-
5
]와
[그림
6
-
6
]은 이러한 단계에 대해 빅쿼리 콘솔에 표시되는 내용을 보여줍니다.
그림
6-5
새로 만든
ccpp
_
raw
테이블의 스키마
그림
6-6
ccpp
_
raw
테이블 미리보기
6.2.2
SQL
로 빅쿼리 데이터 탐색
데이터를 빅쿼리 테이블로 만들었으니, 이제는 데이터를 탐색할 차례입니다. 먼저 널값의 유무
를 확인해 보죠. 가장 쉬운 방법은 빅쿼리의
IF
함수를 사용하는 것입니다.
IF
함수는
(
expr
,
true
_
result
,
else
_
result
)
라는 세 개의 파라미터와 함께 사용합니다.
expr
은
true
_
result
164
로우코드 AI
나
else
_
result
중 어느 쪽인지 결정하는 불리언값을 반환하는 코드 조각으로,
expr
가
TRUE
를 반환하면
true
_
result
를, 그렇지 않으면
else
_
result
를 반환합니다.
NULL
함 ...
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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.