티스토리 뷰
김승욱님 강의를 듣고 작성했습니다.
$을 사용한 하위구조 데이터 추출
> colnames(aws) [1] "AWS_ID" "TM" "TA" "Wind" "X." |
> aws$TA # 1000개만 보이고 나머지는 안보인다. [1] 24.2 24.3 23.7 23.3 23.5 23.5 23.7 24.0 [9] 24.4 25.0 25.4 26.2 26.6 25.9 25.5 24.8 [17] 23.2 23.7 23.6 23.1 22.7 22.6 22.7 22.1 [25] 22.2 22.2 22.0 21.7 21.6 21.4 20.8 20.9 [33] 21.2 22.1 22.8 23.9 24.8 25.6 26.5 26.5 [41] 27.1 27.6 26.7 25.7 24.7 23.3 22.5 22.2 [49] 22.2 22.3 22.0 21.9 21.6 21.2 21.3 21.4 [57] 22.1 22.8 23.7 24.3 24.7 24.9 25.0 25.1 [65] 26.0 26.3 26.3 25.9 24.8 23.7 22.8 22.3 [73] 22.0 21.8 21.9 21.8 21.6 21.2 21.0 22.0 [81] 23.0 24.1 24.0 22.7 22.4 22.2 22.3 22.2 [89] 21.8 21.5 21.4 21.3 21.0 21.0 20.8 20.4 [97] 20.2 20.2 20.4 20.9 21.5 23.1 23.6 23.5 [905] 34.6 34.2 33.5 31.6 30.4 29.4 28.9 28.6 [913] 28.4 28.1 27.7 27.4 27.0 26.6 26.4 26.8 [921] 28.6 30.5 32.1 32.4 33.4 34.1 34.3 34.9 [929] 35.1 34.6 33.1 31.3 30.5 30.1 29.6 28.9 [937] 28.5 28.2 27.8 27.4 27.0 26.8 26.5 26.6 [945] 27.5 29.2 30.6 31.1 32.4 33.4 32.8 31.6 [953] 30.3 31.1 32.0 31.3 29.9 27.8 27.7 27.5 [961] 27.5 27.3 27.0 26.8 26.6 26.3 26.1 26.2 [969] 26.9 28.4 29.7 30.8 31.8 32.5 33.6 34.1 [977] 33.5 32.7 31.6 31.1 29.7 28.8 28.2 27.7 [985] 27.4 27.3 27.1 26.9 26.6 26.4 26.2 26.5 [993] 27.8 29.3 30.9 31.5 33.0 34.4 34.9 36.1 [ reached getOption("max.print") -- omitted 4886 entries ] |
벡터연산을 사용한 하위 구조 데이터 추출 - 행
단일 숫자 |
> aws[2,] AWS_ID TM TA Wind X. 2 108 2016-07-01 01 24.3 2.3 = |
> aws[135,] AWS_ID TM TA Wind X. 135 108 2016-07-06 14 26.1 2.4 = |
문자 |
> aws['2',] AWS_ID TM TA Wind X. 2 108 2016-07-01 01 24.3 2.3 = |
> aws['135',] AWS_ID TM TA Wind X. 135 108 2016-07-06 14 26.1 2.4 = |
연속 |
> aws[3:10,] AWS_ID TM TA Wind X. 3 108 2016-07-01 02 23.7 3.8 = 4 108 2016-07-01 03 23.3 3.0 = 5 108 2016-07-01 04 23.5 2.1 = 6 108 2016-07-01 05 23.5 2.7 = 7 108 2016-07-01 06 23.7 2.1 = 8 108 2016-07-01 07 24.0 0.3 = 9 108 2016-07-01 08 24.4 2.1 = 10 108 2016-07-01 09 25.0 2.2 = |
이산 |
> aws[c(2, 135, 3:10),] AWS_ID TM TA Wind X. 2 108 2016-07-01 01 24.3 2.3 = 135 108 2016-07-06 14 26.1 2.4 = 3 108 2016-07-01 02 23.7 3.8 = 4 108 2016-07-01 03 23.3 3.0 = 5 108 2016-07-01 04 23.5 2.1 = 6 108 2016-07-01 05 23.5 2.7 = 7 108 2016-07-01 06 23.7 2.1 = 8 108 2016-07-01 07 24.0 0.3 = 9 108 2016-07-01 08 24.4 2.1 = 10 108 2016-07-01 09 25.0 2.2 = |
벡터연산을 사용한 하위 구조 데이터 추출 - 열
단일 | 연속 | 이산 |
> aws[,3] [1] 24.2 24.3 23.7 23.3 23.5 23.5 23.7 24.0 [9] 24.4 25.0 25.4 26.2 26.6 25.9 25.5 24.8 [17] 23.2 23.7 23.6 23.1 22.7 22.6 22.7 22.1 [25] 22.2 22.2 22.0 21.7 21.6 21.4 20.8 20.9 [33] 21.2 22.1 22.8 23.9 24.8 25.6 26.5 26.5 [41] 27.1 27.6 26.7 25.7 24.7 23.3 22.5 22.2 [49] 22.2 22.3 22.0 21.9 21.6 21.2 21.3 21.4 [57] 22.1 22.8 23.7 24.3 24.7 24.9 25.0 25.1 [65] 26.0 26.3 26.3 25.9 24.8 23.7 22.8 22.3 [73] 22.0 21.8 21.9 21.8 21.6 21.2 21.0 22.0 [81] 23.0 24.1 24.0 22.7 22.4 22.2 22.3 22.2 [89] 21.8 21.5 21.4 21.3 21.0 21.0 20.8 20.4 [97] 20.2 20.2 20.4 20.9 21.5 23.1 23.6 23.5 [105] 23.6 23.0 23.1 23.7 24.2 24.6 24.4 24.5 [113] 24.8 24.4 24.0 23.4 22.9 22.9 22.3 21.5 [121] 21.3 21.1 20.7 20.7 20.4 20.3 20.3 20.5 [129] 20.6 20.9 21.3 22.8 24.2 25.4 26.1 26.1 [137] 26.1 26.6 26.4 25.9 24.2 23.2 22.2 21.6 [145] 21.2 20.7 20.2 20.1 20.3 20.1 20.1 20.6 [153] 21.4 22.2 23.2 23.4 25.1 26.6 27.9 28.2 [161] 28.4 27.9 27.5 27.0 25.9 25.1 24.7 24.2 [169] 23.5 23.0 22.6 22.2 21.8 21.4 21.3 22.0 [177] 24.4 26.5 27.9 28.9 30.4 31.2 32.0 32.1 [185] 32.2 32.2 32.2 31.3 29.3 27.9 27.1 26.5 [193] 25.9 25.4 25.0 24.5 23.8 23.5 23.3 23.9 [201] 25.8 27.8 29.0 30.2 31.0 31.7 32.1 32.4 [209] 32.5 31.4 30.3 28.6 27.3 26.9 26.4 25.7 [217] 25.4 25.2 24.9 24.6 24.0 23.6 23.2 23.9 [225] 25.9 27.4 28.7 29.7 30.4 32.0 32.6 32.7 [233] 31.8 30.9 30.2 29.7 28.5 27.9 27.2 26.8 [241] 26.5 26.2 25.8 25.5 25.2 25.0 24.9 25.0 [249] 25.6 27.1 29.9 30.8 31.3 32.1 33.1 33.2 [257] 32.7 32.2 30.2 29.5 29.0 28.6 28.2 28.1 [265] 26.7 25.1 23.7 23.2 22.9 22.6 22.8 22.3 [273] 23.0 25.4 26.4 28.1 29.4 30.0 30.5 29.9 [281] 30.1 29.3 28.8 28.2 26.8 26.0 25.9 25.5 [289] 25.0 24.7 24.4 24.1 23.8 23.3 23.3 23.4 [297] 25.1 25.6 27.6 27.1 27.9 27.7 28.5 29.2 [305] 29.3 29.3 28.8 28.1 27.2 26.5 26.0 25.7 [313] 25.2 25.0 24.7 24.6 24.6 24.2 24.0 24.3 [321] 24.5 25.2 27.5 28.7 28.9 29.8 30.1 31.4 [329] 31.6 31.9 30.1 30.2 29.4 28.7 28.1 27.5 [337] 26.8 26.0 25.0 24.3 24.2 23.9 23.8 24.3 [345] 24.8 26.0 27.8 29.1 29.2 28.8 28.9 28.8 [353] 28.7 28.5 27.9 27.5 26.7 26.0 25.7 25.4 [361] 23.8 22.8 21.8 21.3 20.5 20.1 19.9 19.8 [369] 19.8 19.9 20.0 20.1 20.3 20.4 20.6 20.9 [377] 21.1 21.2 21.0 21.1 21.2 21.4 21.6 21.8 [385] 21.8 21.5 21.0 20.7 20.5 20.4 20.5 20.6 [393] 20.8 21.5 21.5 22.1 22.0 22.9 22.9 22.7 [401] 23.1 22.7 22.8 22.5 22.0 21.8 21.6 21.4 [409] 21.3 21.2 21.1 20.8 20.8 20.7 20.8 21.2 [417] 22.2 23.6 24.6 25.3 26.6 27.1 27.4 27.5 [425] 27.5 28.1 28.0 27.3 25.7 24.8 24.1 23.6 [433] 23.1 22.6 22.1 21.7 21.5 21.1 21.1 21.8 [441] 23.9 25.9 27.7 29.1 30.1 31.0 31.0 32.4 [449] 32.0 31.8 31.3 29.8 28.7 27.9 27.4 26.6 [457] 26.0 25.5 25.1 24.7 24.5 24.2 24.0 24.4 [465] 25.7 27.7 29.3 30.6 31.4 32.2 32.4 32.6 [473] 32.2 32.0 30.9 30.5 30.0 29.6 29.0 28.2 [481] 27.5 26.6 26.1 25.7 25.4 25.1 25.0 25.1 [489] 25.6 26.7 27.9 28.1 29.7 30.5 30.7 31.6 [497] 32.2 32.0 31.3 30.5 29.8 29.1 28.4 28.1 [505] 27.5 27.0 26.9 26.6 26.5 26.0 25.4 25.6 [513] 26.6 27.0 29.2 30.7 31.8 32.8 32.8 33.0 [521] 33.8 33.2 32.2 30.5 29.4 28.6 28.3 28.1 [529] 28.0 27.9 27.8 27.6 27.3 27.2 27.2 27.4 [537] 27.8 28.4 29.8 30.0 30.7 31.5 31.0 30.7 [545] 31.0 30.8 30.4 29.1 27.4 27.3 27.3 27.4 [553] 27.4 27.5 27.3 27.1 27.1 27.1 27.0 27.0 [561] 27.3 27.6 28.1 28.3 28.4 28.6 28.5 28.9 [569] 29.1 29.7 29.4 29.1 28.4 28.0 27.7 27.5 [577] 27.3 27.1 27.0 26.9 26.6 26.4 26.4 26.6 [585] 27.2 27.8 28.8 29.0 29.2 29.8 30.9 30.7 [593] 31.3 31.4 30.8 30.0 28.9 28.2 27.7 27.2 [601] 26.9 26.6 26.2 26.0 25.7 25.6 25.9 26.1 [609] 26.7 27.8 28.5 29.4 30.2 30.7 31.2 31.6 [617] 30.7 30.2 29.9 29.5 28.9 28.5 28.2 27.9 [625] 27.4 27.2 27.0 26.9 26.9 26.8 26.8 27.1 [633] 27.4 27.1 28.4 28.7 28.6 28.8 28.2 27.8 [641] 28.0 28.5 28.4 28.1 27.9 27.6 27.4 27.2 [649] 27.4 27.4 27.2 27.2 27.1 26.9 26.8 27.0 [657] 27.4 27.8 28.5 28.5 29.7 30.2 30.3 30.0 [665] 30.3 30.2 29.3 28.1 27.2 26.8 26.7 26.7 [673] 26.7 26.5 26.3 26.3 24.9 24.4 24.8 23.6 [681] 23.5 23.6 24.3 24.4 25.0 25.1 26.0 27.5 [689] 28.0 28.4 28.1 27.7 27.6 27.6 27.4 27.1 [697] 27.1 26.8 26.7 26.6 26.5 26.4 26.4 26.5 [705] 26.8 27.0 27.1 27.9 28.9 30.6 31.6 32.4 [713] 32.9 32.2 31.2 30.3 29.2 28.4 27.9 27.8 [721] 27.7 27.4 27.2 27.0 26.9 26.8 26.7 26.7 [729] 27.3 28.2 29.1 31.2 31.6 32.0 31.6 32.5 [737] 31.6 31.2 30.4 29.4 28.5 27.9 27.4 27.3 [745] 27.0 26.7 26.4 26.3 26.2 25.9 25.9 26.1 [753] 26.9 27.9 29.4 30.1 31.3 32.1 32.3 32.1 [761] 31.8 30.6 29.7 29.1 28.1 27.7 27.2 26.8 [769] 26.6 26.4 26.2 26.0 25.9 25.7 25.8 25.9 [777] 26.6 28.2 28.4 29.0 29.4 30.0 30.6 31.0 [785] 30.8 29.6 27.1 25.5 25.5 25.1 25.1 25.1 [793] 25.1 25.2 24.9 24.8 24.6 24.3 24.0 24.4 [801] 26.4 28.3 29.8 31.1 31.6 31.9 32.3 33.4 [809] 33.8 33.5 33.3 32.1 30.6 29.3 28.6 28.2 [817] 28.0 27.7 27.4 27.1 26.7 26.3 26.0 26.4 [825] 27.8 29.7 30.9 32.7 32.7 33.9 35.1 34.2 [833] 34.4 35.4 35.0 32.9 32.1 31.3 30.6 30.1 [841] 29.6 29.1 28.6 28.1 27.4 26.9 26.5 26.7 [849] 28.6 30.4 32.1 32.5 33.5 34.5 34.8 34.8 [857] 35.2 35.6 35.1 33.8 32.5 31.5 30.4 29.8 [865] 29.4 28.8 28.4 28.1 27.6 27.0 26.7 27.0 [873] 28.7 30.4 31.9 32.6 33.0 33.1 33.0 33.6 [881] 33.8 33.9 33.5 32.6 31.0 30.3 29.7 29.1 [889] 28.7 28.5 28.1 27.9 27.5 27.4 27.1 27.2 [897] 28.5 30.3 31.8 32.3 33.3 33.6 34.3 34.8 [905] 34.6 34.2 33.5 31.6 30.4 29.4 28.9 28.6 [913] 28.4 28.1 27.7 27.4 27.0 26.6 26.4 26.8 [921] 28.6 30.5 32.1 32.4 33.4 34.1 34.3 34.9 [929] 35.1 34.6 33.1 31.3 30.5 30.1 29.6 28.9 [937] 28.5 28.2 27.8 27.4 27.0 26.8 26.5 26.6 [945] 27.5 29.2 30.6 31.1 32.4 33.4 32.8 31.6 [953] 30.3 31.1 32.0 31.3 29.9 27.8 27.7 27.5 [961] 27.5 27.3 27.0 26.8 26.6 26.3 26.1 26.2 [969] 26.9 28.4 29.7 30.8 31.8 32.5 33.6 34.1 [977] 33.5 32.7 31.6 31.1 29.7 28.8 28.2 27.7 [985] 27.4 27.3 27.1 26.9 26.6 26.4 26.2 26.5 [993] 27.8 29.3 30.9 31.5 33.0 34.4 34.9 36.1 [ reached getOption("max.print") -- omitted 4886> aws[,3] |
> aws[,3:4] TA Wind 1 24.2 2.3 2 24.3 2.3 3 23.7 3.8 4 23.3 3.0 5 23.5 2.1 6 23.5 2.7 7 23.7 2.1 8 24.0 0.3 9 24.4 2.1 10 25.0 2.2 11 25.4 2.4 12 26.2 1.0 13 26.6 2.2 14 25.9 0.6 15 25.5 1.6 16 24.8 2.1 17 23.2 1.5 18 23.7 3.1 19 23.6 2.7 20 23.1 4.4 21 22.7 1.7 22 22.6 0.9 23 22.7 2.9 24 22.1 3.3 25 22.2 1.2 26 22.2 1.9 27 22.0 2.3 28 21.7 2.1 29 21.6 1.3 30 21.4 2.8 31 20.8 1.7 32 20.9 1.6 33 21.2 2.2 34 22.1 1.3 35 22.8 1.3 36 23.9 1.9 37 24.8 3.0 38 25.6 3.1 39 26.5 2.1 40 26.5 3.3 41 27.1 2.6 42 27.6 3.4 43 26.7 2.7 44 25.7 2.4 45 24.7 3.0 46 23.3 3.6 47 22.5 3.0 48 22.2 2.6 49 22.2 2.2 50 22.3 1.5 51 22.0 1.5 52 21.9 2.0 53 21.6 1.3 54 21.2 1.2 55 21.3 1.7 56 21.4 1.8 57 22.1 1.0 58 22.8 1.2 59 23.7 2.0 60 24.3 1.3 61 24.7 1.7 62 24.9 2.5 63 25.0 1.9 64 25.1 2.1 65 26.0 2.1 66 26.3 1.1 67 26.3 1.5 68 25.9 2.3 69 24.8 2.2 70 23.7 0.6 451 31.3 0.5 452 29.8 2.3 453 28.7 2.6 454 27.9 0.4 455 27.4 0.6 456 26.6 0.8 457 26.0 1.0 458 25.5 1.4 459 25.1 1.7 460 24.7 1.8 461 24.5 1.7 462 24.2 2.6 463 24.0 1.7 464 24.4 2.2 465 25.7 2.9 466 27.7 2.4 467 29.3 1.8 468 30.6 1.2 469 31.4 0.9 470 32.2 1.0 471 32.4 2.4 472 32.6 1.3 473 32.2 2.5 474 32.0 1.3 475 30.9 1.7 476 30.5 0.8 477 30.0 1.6 478 29.6 2.8 479 29.0 2.7 480 28.2 2.1 481 27.5 2.3 482 26.6 2.4 483 26.1 1.8 484 25.7 2.0 485 25.4 2.4 486 25.1 1.7 487 25.0 2.6 488 25.1 2.0 489 25.6 1.8 490 26.7 2.9 491 27.9 2.5 492 28.1 2.3 493 29.7 1.4 494 30.5 2.8 495 30.7 1.9 496 31.6 2.4 497 32.2 2.2 498 32.0 2.7 499 31.3 2.1 500 30.5 1.9 [ reached 'max' / getOption("max.print") -- omitted 5386 rows ] |
> aws[,c(1,3)] AWS_ID TA 1 108 24.2 2 108 24.3 3 108 23.7 4 108 23.3 5 108 23.5 6 108 23.5 7 108 23.7 8 108 24.0 9 108 24.4 10 108 25.0 11 108 25.4 12 108 26.2 13 108 26.6 14 108 25.9 15 108 25.5 16 108 24.8 17 108 23.2 18 108 23.7 19 108 23.6 20 108 23.1 21 108 22.7 22 108 22.6 23 108 22.7 24 108 22.1 25 108 22.2 26 108 22.2 27 108 22.0 28 108 21.7 29 108 21.6 30 108 21.4 31 108 20.8 32 108 20.9 33 108 21.2 34 108 22.1 35 108 22.8 36 108 23.9 37 108 24.8 38 108 25.6 39 108 26.5 40 108 26.5 41 108 27.1 42 108 27.6 43 108 26.7 44 108 25.7 45 108 24.7 46 108 23.3 47 108 22.5 48 108 22.2 49 108 22.2 50 108 22.3 51 108 22.0 52 108 21.9 53 108 21.6 54 108 21.2 55 108 21.3 56 108 21.4 57 108 22.1 58 108 22.8 59 108 23.7 60 108 24.3 61 108 24.7 62 108 24.9 63 108 25.0 64 108 25.1 65 108 26.0 66 108 26.3 67 108 26.3 68 108 25.9 69 108 24.8 70 108 23.7 451 108 31.3 452 108 29.8 453 108 28.7 454 108 27.9 455 108 27.4 456 108 26.6 457 108 26.0 458 108 25.5 459 108 25.1 460 108 24.7 461 108 24.5 462 108 24.2 463 108 24.0 464 108 24.4 465 108 25.7 466 108 27.7 467 108 29.3 468 108 30.6 469 108 31.4 470 108 32.2 471 108 32.4 472 108 32.6 473 108 32.2 474 108 32.0 475 108 30.9 476 108 30.5 477 108 30.0 478 108 29.6 479 108 29.0 480 108 28.2 481 108 27.5 482 108 26.6 483 108 26.1 484 108 25.7 485 108 25.4 486 108 25.1 487 108 25.0 488 108 25.1 489 108 25.6 490 108 26.7 491 108 27.9 492 108 28.1 493 108 29.7 494 108 30.5 495 108 30.7 496 108 31.6 497 108 32.2 498 108 32.0 499 108 31.3 500 108 30.5 [ reached 'max' / getOption("max.print") -- omitted 5386 rows ] |
단일 문자 | 복수 문자 |
> aws['wind'] Error in `[.data.frame`(aws, "wind") : undefined columns selected > aws[,'wind'] Error in `[.data.frame`(aws, , "wind") : undefined columns selected > aws[,'Wind'] [1] 2.3 2.3 3.8 3.0 2.1 2.7 2.1 0.3 2.1 2.2 [11] 2.4 1.0 2.2 0.6 1.6 2.1 1.5 3.1 2.7 4.4 [21] 1.7 0.9 2.9 3.3 1.2 1.9 2.3 2.1 1.3 2.8 [31] 1.7 1.6 2.2 1.3 1.3 1.9 3.0 3.1 2.1 3.3 [41] 2.6 3.4 2.7 2.4 3.0 3.6 3.0 2.6 2.2 1.5 [51] 1.5 2.0 1.3 1.2 1.7 1.8 1.0 1.2 2.0 1.3 [61] 1.7 2.5 1.9 2.1 2.1 1.1 1.5 2.3 2.2 0.6 [71] 0.3 0.4 1.9 1.1 1.3 1.7 1.0 2.2 1.9 3.1 [81] 2.5 2.9 3.9 4.5 4.6 3.8 3.7 3.5 3.6 4.1 [91] 3.9 3.3 3.5 3.9 3.9 5.3 4.4 4.0 3.3 2.4 [101] 1.9 3.1 3.3 1.1 2.0 3.3 3.5 5.1 3.6 4.2 [111] 3.3 2.9 3.2 3.3 4.5 3.4 2.5 1.0 1.2 0.7 [121] 0.5 1.1 0.2 1.6 2.4 1.7 2.0 2.1 2.3 1.9 [131] 2.3 1.5 1.9 2.7 2.4 2.5 3.5 2.8 2.4 2.3 [141] 2.4 1.3 1.9 2.0 1.5 1.8 1.9 1.0 1.8 0.4 [151] 0.5 0.8 0.3 0.7 0.7 3.0 0.5 1.1 1.9 2.7 [161] 2.0 2.1 3.0 1.6 1.3 1.0 0.6 0.8 1.2 0.7 [171] 0.7 0.3 0.9 1.1 0.7 1.3 1.2 1.6 1.3 1.4 [181] 1.5 2.6 2.5 3.7 3.7 3.7 2.0 2.3 3.2 2.0 [191] 2.1 0.9 0.9 0.9 1.0 0.6 0.9 0.1 0.6 0.3 [201] 1.1 0.7 2.0 2.4 2.1 2.9 3.3 4.1 3.6 3.7 [211] 3.4 2.8 2.9 3.0 0.6 1.4 1.7 1.2 1.5 1.3 [221] 1.8 1.4 0.9 0.2 1.1 1.0 1.3 1.4 2.2 2.2 [231] 2.2 2.6 3.3 3.5 3.3 2.3 2.6 2.2 2.4 1.5 [241] 0.4 1.1 0.2 0.9 0.9 0.2 1.0 1.3 1.3 1.6 [251] 1.9 1.2 0.7 2.2 1.2 3.1 2.7 3.8 3.2 1.7 [261] 1.4 1.5 1.1 0.6 2.3 2.6 2.3 1.4 1.9 1.6 [271] 1.3 0.4 0.5 2.0 0.4 1.0 1.5 3.0 3.1 4.0 [281] 4.2 3.8 2.6 2.4 2.3 1.6 1.7 1.5 1.0 1.0 [291] 3.1 1.5 0.9 1.3 2.7 2.0 1.5 1.5 2.3 1.8 [301] 2.1 2.7 2.9 3.7 3.3 2.4 2.9 2.1 2.4 2.3 [311] 2.2 3.0 1.1 2.0 3.2 2.9 2.2 2.8 2.8 3.1 [321] 2.3 2.6 1.7 1.9 1.2 2.6 3.3 3.1 2.0 1.6 [331] 1.5 2.1 0.3 2.1 1.0 2.4 2.1 2.7 2.0 2.8 [341] 2.9 1.5 2.2 2.8 3.8 3.2 3.9 3.1 2.5 3.2 [351] 2.7 2.0 3.1 1.2 2.6 3.2 1.5 3.4 3.7 2.3 [361] 2.4 3.2 4.3 3.5 3.2 4.0 4.3 3.3 5.0 3.8 [371] 4.7 3.9 4.3 4.4 5.0 3.7 2.7 3.9 3.8 3.0 [381] 2.3 1.5 1.4 1.6 2.5 3.8 4.2 4.4 3.1 3.1 [391] 3.3 1.8 2.3 1.8 2.8 1.3 2.9 2.4 2.8 3.4 [401] 2.0 3.3 1.7 2.2 2.8 2.0 2.3 1.7 2.6 1.5 [411] 1.3 0.4 1.1 0.9 0.4 1.1 0.8 1.5 1.2 1.1 [421] 1.3 1.8 1.2 1.9 2.1 2.1 2.7 2.4 2.1 2.2 [431] 1.0 1.3 0.6 0.2 1.6 1.3 0.5 1.6 1.4 1.5 [441] 1.9 2.0 2.3 2.7 1.8 2.0 2.0 1.2 0.6 1.0 [451] 0.5 2.3 2.6 0.4 0.6 0.8 1.0 1.4 1.7 1.8 [461] 1.7 2.6 1.7 2.2 2.9 2.4 1.8 1.2 0.9 1.0 [471] 2.4 1.3 2.5 1.3 1.7 0.8 1.6 2.8 2.7 2.1 [481] 2.3 2.4 1.8 2.0 2.4 1.7 2.6 2.0 1.8 2.9 [491] 2.5 2.3 1.4 2.8 1.9 2.4 2.2 2.7 2.1 1.9 [501] 2.8 2.2 2.2 1.2 1.2 2.5 1.8 1.8 1.0 1.6 [511] 2.5 2.0 1.5 2.0 2.1 2.4 3.2 2.2 2.0 2.8 [521] 2.1 2.7 2.9 3.0 2.5 2.9 2.3 2.5 1.5 0.5 [531] 0.6 1.4 1.2 1.4 1.2 1.6 1.5 3.1 1.6 2.1 [541] 2.9 3.0 3.6 3.0 2.5 2.1 1.7 3.4 2.2 1.6 [551] 0.8 0.7 1.4 2.5 2.2 1.3 1.4 1.9 2.0 2.4 [561] 2.9 1.9 2.7 2.5 2.1 1.8 0.6 1.1 2.2 2.7 [571] 1.7 1.9 1.4 1.5 1.6 1.0 1.5 1.4 1.4 1.5 [581] 1.7 0.8 1.7 1.4 1.8 1.5 1.9 1.8 2.0 2.8 [591] 1.7 2.9 2.0 2.9 3.8 2.0 2.4 1.8 2.4 1.4 [601] 1.4 1.9 1.5 1.7 0.7 0.8 1.5 3.1 2.7 3.0 [611] 4.0 3.4 4.6 3.5 4.2 4.7 2.9 3.4 2.7 3.3 [621] 2.0 2.7 1.9 2.2 2.4 1.9 2.7 1.8 3.6 2.2 [631] 2.9 3.4 3.6 3.0 4.3 3.6 5.5 3.6 4.1 3.0 [641] 4.1 3.7 4.3 3.2 4.6 3.8 3.2 3.4 3.1 3.1 [651] 2.8 2.7 3.6 1.4 1.2 2.7 3.0 4.0 4.3 3.5 [661] 3.8 4.2 4.5 3.9 3.6 3.3 3.2 3.6 1.6 2.1 [671] 1.1 0.6 0.7 1.5 0.9 2.5 0.7 1.4 2.7 3.3 [681] 1.2 1.5 2.4 1.1 2.9 2.4 1.5 1.6 1.3 0.8 [691] 1.9 2.5 1.8 0.6 1.0 1.3 1.1 2.0 1.8 2.5 [701] 2.0 1.9 1.9 2.3 2.6 2.8 1.8 0.8 1.9 1.2 [711] 2.7 2.7 1.8 2.9 3.1 2.4 2.0 2.0 1.9 1.1 [721] 0.6 1.1 0.6 0.0 1.5 0.7 0.6 1.0 0.8 0.7 [731] 0.3 1.4 1.7 2.5 3.3 4.4 5.9 3.1 2.5 3.3 [741] 2.0 1.3 0.7 0.8 1.1 0.5 0.4 0.5 0.6 0.7 [751] 0.3 1.5 1.1 0.7 0.8 1.9 2.2 2.4 2.9 2.9 [761] 3.5 2.6 2.5 2.5 1.0 0.8 1.0 1.6 1.0 0.4 [771] 0.4 1.1 0.4 0.7 0.6 1.0 0.7 1.3 0.7 1.4 [781] 1.5 0.7 1.4 0.7 2.1 3.7 5.8 1.6 1.0 1.8 [791] 0.8 0.6 0.7 1.5 0.7 0.9 1.5 1.4 1.5 2.2 [801] 1.5 1.8 1.8 1.2 1.6 1.5 1.8 1.9 2.8 1.0 [811] 2.5 2.3 2.4 2.1 1.1 0.3 1.5 2.7 0.6 0.6 [821] 0.6 1.4 2.0 1.8 2.3 2.2 2.2 1.5 2.0 2.3 [831] 1.6 2.2 2.2 2.0 2.1 2.0 1.7 0.5 1.3 1.2 [841] 0.5 0.4 1.2 1.6 1.6 2.0 2.2 1.8 2.5 1.4 [851] 0.7 0.9 2.3 2.5 1.0 1.6 2.1 2.4 2.4 2.6 [861] 1.3 1.3 3.5 1.9 0.8 0.8 1.2 0.3 0.8 1.3 [871] 1.6 1.3 1.4 1.6 1.3 0.7 1.5 2.2 2.7 2.7 [881] 2.4 2.9 2.8 2.6 3.0 1.0 1.1 1.3 1.6 2.1 [891] 1.9 0.9 1.4 1.0 0.6 0.4 0.6 1.5 1.1 2.3 [901] 2.7 2.9 2.6 2.5 3.0 3.7 3.2 3.7 2.5 2.4 [911] 0.6 1.0 1.6 2.1 0.5 0.8 0.8 0.8 0.2 0.7 [921] 1.8 0.9 1.5 1.6 1.1 2.1 2.9 4.0 3.1 3.2 [931] 2.8 3.6 2.9 0.8 1.1 1.9 2.6 2.4 2.4 1.7 [941] 2.6 2.0 2.0 2.3 2.8 2.4 2.5 1.7 2.1 0.9 [951] 1.2 3.7 2.1 1.0 1.2 0.9 4.8 1.0 1.0 1.7 [961] 0.9 0.7 1.0 0.8 1.4 1.8 0.7 0.7 1.2 2.0 [971] 1.5 1.9 3.1 2.7 3.0 2.8 2.0 2.8 3.3 2.4 [981] 2.3 2.0 1.3 1.4 1.6 1.4 0.4 0.8 0.9 0.3 [991] 0.7 1.6 1.7 2.5 2.7 4.0 3.1 2.0 2.7 2.9 [ reached getOption("max.print") -- omitted 4886 entries ] |
> aws[,c('AWS_ID','TA')] AWS_ID TA 1 108 24.2 2 108 24.3 3 108 23.7 4 108 23.3 5 108 23.5 6 108 23.5 7 108 23.7 8 108 24.0 9 108 24.4 10 108 25.0 410 108 21.2 411 108 21.1 412 108 20.8 413 108 20.8 414 108 20.7 415 108 20.8 416 108 21.2 417 108 22.2 418 108 23.6 419 108 24.6 420 108 25.3 421 108 26.6 422 108 27.1 423 108 27.4 424 108 27.5 425 108 27.5 426 108 28.1 427 108 28.0 428 108 27.3 429 108 25.7 430 108 24.8 431 108 24.1 432 108 23.6 433 108 23.1 434 108 22.6 435 108 22.1 436 108 21.7 437 108 21.5 438 108 21.1 439 108 21.1 440 108 21.8 441 108 23.9 442 108 25.9 443 108 27.7 444 108 29.1 445 108 30.1 446 108 31.0 447 108 31.0 448 108 32.4 449 108 32.0 450 108 31.8 451 108 31.3 452 108 29.8 453 108 28.7 454 108 27.9 455 108 27.4 456 108 26.6 457 108 26.0 458 108 25.5 459 108 25.1 460 108 24.7 461 108 24.5 462 108 24.2 463 108 24.0 464 108 24.4 465 108 25.7 466 108 27.7 467 108 29.3 468 108 30.6 469 108 31.4 470 108 32.2 471 108 32.4 472 108 32.6 473 108 32.2 474 108 32.0 475 108 30.9 476 108 30.5 477 108 30.0 478 108 29.6 479 108 29.0 480 108 28.2 481 108 27.5 482 108 26.6 483 108 26.1 484 108 25.7 485 108 25.4 486 108 25.1 487 108 25.0 488 108 25.1 489 108 25.6 490 108 26.7 491 108 27.9 492 108 28.1 493 108 29.7 494 108 30.5 495 108 30.7 496 108 31.6 497 108 32.2 498 108 32.0 499 108 31.3 500 108 30.5 [ reached 'max' / getOption("max.print") -- omitted 5386 rows ] |
벡터연산을 통한 하위 구조 데이터 추출
숫자 | 문자 | 복수 |
> aws[1,3] [1] 24.2 |
> aws[1,'TA'] [1] 24.2 |
> aws[2:5, c('TA','Wind')] TA Wind 2 24.3 2.3 3 23.7 3.8 4 23.3 3.0 5 23.5 2.1 |
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