편집을 취소할 수 있습니다. 이 편집을 되돌리려면 아래의 바뀐 내용을 확인한 후 게시해주세요.
최신판 | 당신의 편집 | ||
1번째 줄: | 1번째 줄: | ||
==개요== | ==개요== | ||
;R substr() | ;R substr() | ||
< | <source lang='r'> | ||
substr("ABCDEF", 3, 3) ## [1] "C" | substr("ABCDEF", 3, 3) | ||
substr("ABCDEF", 3, 5) ## [1] "CDE" | ## [1] "C" | ||
</ | substr("ABCDEF", 3, 5) | ||
< | ## [1] "CDE" | ||
substr(c("ABCDEFGH","abcdefgh","12345678","QWERTYUI"), 1, 1) | </source> | ||
substr(c("ABCDEFGH","abcdefgh","12345678","QWERTYUI"), 1, 3) | <source lang='r'> | ||
substr(c("ABCDEFGH","abcdefgh","12345678","QWERTYUI"), 1, 2:3) ## [1] "AB" "abc" "12" "QWE" | substr(c("ABCDEFGH","abcdefgh","12345678","QWERTYUI"), 1, 1) | ||
## [1] "A" "a" "1" "Q" | |||
substr(c("ABCDEFGH","abcdefgh","12345678","QWERTYUI"), 1, 3) | |||
substr(c("ABCDEFGH","abcdefgh","12345678","QWERTYUI"), 1:2, 4) | ## [1] "ABC" "abc" "123" "QWE" | ||
substr(c("ABCDEFGH","abcdefgh","12345678","QWERTYUI"), 1:4, 4) | substr(c("ABCDEFGH","abcdefgh","12345678","QWERTYUI"), 1, 2:3) | ||
substr(c("ABCDEFGH","abcdefgh","12345678","QWERTYUI"), 1:4, 4:7) ## [1] "ABCD" "bcde" "3456" "RTYU" | ## [1] "AB" "abc" "12" "QWE" | ||
</ | substr(c("ABCDEFGH","abcdefgh","12345678","QWERTYUI"), 1:2, 4) | ||
## [1] "ABCD" "bcd" "1234" "WER" | |||
substr(c("ABCDEFGH","abcdefgh","12345678","QWERTYUI"), 1:4, 4) | |||
## [1] "ABCD" "bcd" "34" "R" | |||
substr(c("ABCDEFGH","abcdefgh","12345678","QWERTYUI"), 1:4, 4:7) | |||
## [1] "ABCD" "bcde" "3456" "RTYU" | |||
</source> | |||
==같이 보기== | ==같이 보기== | ||
29번째 줄: | 33번째 줄: | ||
[[분류: R base]] | [[분류: R base]] | ||