Skip to Content
R Cookbook
book

R Cookbook

by JD Long, Paul Titer, Jee -Won Lee
May 2022
Beginner to intermediate
667 pages
16h 17m
Korean
Insight
Content preview from R Cookbook
R
102
4장 입력과 출력
cat(conclusion, file = con)
close(con)
(연결에 쓸 때는
append=TRUE
로 할 필요가 없다. 따로 알려 주지 않아도 이미 연결에
서의 기본 옵션이기 때문이다.) 이 방법을 사용하면 코드가 더 안정적이고 유지하기
가 쉬워지기 때문에
R
스크립트 내에서 쓰기에 무척 편리하다.
4.4
󼟛󻱋󽴔󺽸󺴬󽴔󻇃󺋿
󻀇󻳫
작업 디렉터리에 있는 파일의 목록으로 된
R
벡터를 보고 싶다.
󼩃󺅿󼄔
list.files
함수로 작업 디렉터리의 내용을 보자.
list.files()
#> [1] "
_
book" "
_
bookdown
_
files"
#> [3] "
_
bookdown.yml" "
_
common.R"
#> [5] "
_
main.log" "
_
main.rds"
#> [7] "
_
output.yml" "01
_
GettingStarted
_
cache"
#> [9] "01
_
GettingStarted.md" "01
_
GettingStarted.Rmd"
#> # etc.
󺙋󻰧
하위 디렉터리에 있는 모든 파일의 이름을 가져오고자 할 때 정말 편리한 함수다. 파
일 이름이 기억 나지 않을 때나, 절차상 데이터 파일을 불러오는 등의 태스크를 수행
할 때 사용할 수 있다.
list.files
에 경로와 패턴을 전달해 주면, 해당 경로에 있는 정규식 패턴에 매칭되
는 파일들을 ...
Become an O’Reilly member and get unlimited access to this title plus top books and audiobooks from O’Reilly and nearly 200 top publishers, thousands of courses curated by job role, 150+ live events each month,
and much more.

Read now

Unlock full access

More than 5,000 organizations count on O’Reilly

AirBnbBlueOriginElectronic ArtsHomeDepotNasdaqRakutenTata Consultancy Services

QuotationMarkO’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.
Head of Cybersecurity
QuotationMarkI 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.
Field Engineer
QuotationMarkI’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.
Data Platform Tech Lead
QuotationMarkI'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.
Mark W.
Embedded Software Engineer

You might also like

R Cookbook

R Cookbook

Paul Teetor
R Graphics Cookbook

R Graphics Cookbook

Winston Chang
R Cookbook, 2nd Edition

R Cookbook, 2nd Edition

JD Long, Paul Teetor

Publisher Resources

ISBN: 9788966262984