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首页 > 解决方案 > 在 R 中对数据进行子集化时出现不需要的输出

r - 在 R 中对数据进行子集化时出现不需要的输出

问题描述

我想知道我做错了什么。我想从名为dataresults. 即使使用head()，您也可以看到 R 没有选择我想要选择的行：

> head(dataresults[671:676,])
    Date & Time [Local]  Latitude Longitude     step   x   y        z
710 2018-06-20 02:28:00 -2.441108  34.80987 4911.931 159 120 200.0218
711 2018-06-20 02:32:00 -2.441089  34.80983 4915.523 194 164 256.0309
712 2018-06-20 02:36:00 -2.441044  34.80987 4910.948 150  98 179.2751
713 2018-06-20 02:40:00 -2.441044  34.80988 4909.571 211  97 233.0782
714 2018-06-20 02:44:00 -2.441088  34.80983 4915.852 184 161 245.9219
715 2018-06-20 02:48:00 -2.441056  34.80988 4910.120 190 153 246.4066

在上面的示例中，我要求在我的命令中显示第 671 到 676 行，但由于某种原因我得到第 710 到 715 行。

当我尝试对数据进行子集化时，会发生类似的事情，如下所示。它不是从第 673 行开始的子集，而是从第 712 行开始：

> datacorr<-dataresults[673:15424,]
> head(datacorr)
    Date & Time [Local]  Latitude Longitude     step   x   y        z
712 2018-06-20 02:36:00 -2.441044  34.80987 4910.948 150  98 179.2751
713 2018-06-20 02:40:00 -2.441044  34.80988 4909.571 211  97 233.0782
714 2018-06-20 02:44:00 -2.441088  34.80983 4915.852 184 161 245.9219
715 2018-06-20 02:48:00 -2.441056  34.80988 4910.120 190 153 246.4066
716 2018-06-20 02:52:00 -2.441082  34.80987 4911.728 144 165 220.2726
717 2018-06-20 02:56:00 -2.441079  34.80992 4905.648 150 129 198.1244

这是一个示例dataresults：

> dput(dataresults[600:800,])
structure(list(`Date & Time [Local]` = structure(c(1529444640, 
1529444880, 1529445120, 1529445360, 1529445600, 1529445840, 1529446080, 
1529446320, 1529446560, 1529446800, 1529447040, 1529447280, 1529447520, 
1529447760, 1529448000, 1529448240, 1529448480, 1529448720, 1529448960, 
1529449200, 1529449440, 1529449680, 1529449920, 1529450160, 1529450400, 
1529450640, 1529450880, 1529451120, 1529451360, 1529451600, 1529451840, 
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1529490960, 1529491200, 1529491440, 1529491680, 1529491920, 1529492160, 
1529492400, 1529492640), class = c("POSIXct", "POSIXt"), tzone = "UTC"), 
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    81.1594168812644, 0, 124.172000675193, 202.112042375532, 
    26.0768096208106, 0, 26.2678229983099, 154.060779809137, 
    143.267785574523, 228.009237062229, 194.895223495878, 192.242143263573, 
    179.056894372315, 0, 2, 0, 0, 2, 0, 0, 0, 0, 35.3847096529504, 
    0, 0, 0, 0, 1, 1, 2, 10, 7, 3, 6, 0, 0, 2, 7, 8, 12, 3, 1, 
    7, 9, 1, 8, 9, 2, 127.295553819089, 51.7958125154422, 162.695770021952, 
    121.306207841974, 122.229047927423, 228.015606348372, 200.021787692648, 
    256.030925370097, 179.275090894152, 233.078150888214, 245.921872404178, 
    246.406641365101, 220.272633774893, 198.124447034996, 139.948878046849, 
    229.96835082335, 296.60916407034, 297.962893436887, 276.617091164528, 
    305.965408404764, 202.495250616183, 289.34186900663, 271.87350743739, 
    393.217666567627, 371.02887318756, 373.476394566051, 273.08647816276, 
    289.712383980657, 255.30297030913, 312.250442802713, 301.252850437501, 
    301.57813686341, 434.231038426784, 353.029494979685, 206.750768052738, 
    150.206871465948, 96.6803808056206, 118.239371697801, 331.6897153079, 
    200.680690256219, 182.620288944353, 210.39036616987, 242.101361850306, 
    257.457473278128, 233.743367491713, 192.168067766683, 29.5296461204668, 
    185.725658479653, 168.811680547801, 45.6719701706192, 63.4528560775242, 
    135.73143304185, 66.7216687049813, 75.3513250512419, 140.895894786181, 
    163.592719962869, 113.671682275045, 222.246248552452, 250.416178708983, 
    272.57944153163, 234.525703510054, 291.898905648915, 285.434778991709, 
    235.746129174462, 303.016946989874, 193.627056627229, 293.829246674915, 
    293.202568120954, 281.812070651277, 264.949484681642, 234.082680647222, 
    257.300989383049, 205.980480957584, 254.14934347046, 284.542646009499, 
    437.55633027441, 237.276291890275, 179.050512323281, 384.350222403635, 
    259.221186131464, 381.780946697182, 203.682316426828, 175.493098802349, 
    208.719398998353, 312.104747693392, 285.530241990153, 118.293813276872, 
    226.118487194746, 262.679897701864, 139.383238221394, 46.1101811610523, 
    59.2784161522187, 58.4450975919519, 35.3709062650989, 110.066424497602, 
    104.688788719604, 41.1214223865412, 85.8719963432696, 75.4070040155068, 
    154.733559259088, 60.2041968611235, 110.271243752022, 170.018905352777, 
    125.142263269443, 63.6003731330296, 98.1413276676947, 113.400604652918, 
    68.9909717449211, 32.2447874858287, 95.8666604735184, 66.4901151502835, 
    133.762066230643, 80.5181028859729, 206.511388497782, 229.023940423869, 
    90.6038363290751, 80.832522038745, 91.0438085849357, 40.9275161449154, 
    80.9378801806903, 58.0156034102918, 26.4722050542442, 84.0596245397044, 
    341.992193326017, 364.649258507904, 256.198388467479, 323.08626829894, 
    226.599117393241, 190.43296701921, 223.180193751852, 321.054020030441, 
    370.624429352703, 285.63087542605, 263.757552801897, 152.329281695877, 
    160.960989723506)), na.action = structure(c(`1` = 1L, `2` = 2L, 
`9` = 9L, `12` = 12L, `47` = 47L, `60` = 60L, `61` = 61L, `65` = 65L, 
`106` = 106L, `109` = 109L, `111` = 111L, `112` = 112L, `120` = 120L, 
`122` = 122L, `124` = 124L, `125` = 125L, `126` = 126L, `127` = 127L, 
`128` = 128L, `130` = 130L, `131` = 131L, `132` = 132L, `133` = 133L, 
`135` = 135L, `136` = 136L, `137` = 137L, `138` = 138L, `139` = 139L, 
`140` = 140L, `141` = 141L, `142` = 142L, `143` = 143L, `155` = 155L, 
`156` = 156L, `157` = 157L, `170` = 170L, `178` = 178L, `183` = 183L, 
`483` = 483L, `1731` = 1731L, `2633` = 2633L, `2635` = 2635L, 
`2641` = 2641L, `2646` = 2646L, `2648` = 2648L, `2668` = 2668L, 
`4585` = 4585L, `4673` = 4673L, `5518` = 5518L, `6855` = 6855L, 
`6902` = 6902L, `6917` = 6917L, `7919` = 7919L, `8464` = 8464L, 
`8471` = 8471L, `8493` = 8493L, `8747` = 8747L, `8771` = 8771L, 
`8774` = 8774L, `8791` = 8791L, `9294` = 9294L, `10135` = 10135L, 
`10311` = 10311L, `11091` = 11091L, `11331` = 11331L, `11571` = 11571L, 
`11575` = 11575L, `12651` = 12651L, `12787` = 12787L, `13461` = 13461L, 
`13469` = 13469L, `13820` = 13820L, `14435` = 14435L, `14446` = 14446L, 
`14447` = 14447L, `14473` = 14473L, `14474` = 14474L, `14476` = 14476L, 
`14479` = 14479L, `14480` = 14480L, `14482` = 14482L, `14486` = 14486L, 
`14734` = 14734L, `14736` = 14736L, `14742` = 14742L, `14795` = 14795L, 
`14802` = 14802L, `15342` = 15342L), class = "omit"), row.names = 639:839, class = "data.frame")

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标签： rsubset

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