• R语言
  • 如何将数字转化为时间格式

2371727 是个数据示例,是我猜想的 0:05 和 22:35 在你的数据里的样子。你把 x换成 otter$time 就行了。

    2371727

    下次贴数据,建议试试dput(),比如 dput(mtcars):

    structure(list(mpg = c(21, 21, 22.8, 21.4, 18.7, 18.1, 14.3, 
    24.4, 22.8, 19.2, 17.8, 16.4, 17.3, 15.2, 10.4, 10.4, 14.7, 32.4, 
    30.4, 33.9, 21.5, 15.5, 15.2, 13.3, 19.2, 27.3, 26, 30.4, 15.8, 
    19.7, 15, 21.4), cyl = c(6, 6, 4, 6, 8, 6, 8, 4, 4, 6, 6, 8, 
    8, 8, 8, 8, 8, 4, 4, 4, 4, 8, 8, 8, 8, 4, 4, 4, 8, 6, 8, 4), 
        disp = c(160, 160, 108, 258, 360, 225, 360, 146.7, 140.8, 
        167.6, 167.6, 275.8, 275.8, 275.8, 472, 460, 440, 78.7, 75.7, 
        71.1, 120.1, 318, 304, 350, 400, 79, 120.3, 95.1, 351, 145, 
        301, 121), hp = c(110, 110, 93, 110, 175, 105, 245, 62, 95, 
        123, 123, 180, 180, 180, 205, 215, 230, 66, 52, 65, 97, 150, 
        150, 245, 175, 66, 91, 113, 264, 175, 335, 109), drat = c(3.9, 
        3.9, 3.85, 3.08, 3.15, 2.76, 3.21, 3.69, 3.92, 3.92, 3.92, 
        3.07, 3.07, 3.07, 2.93, 3, 3.23, 4.08, 4.93, 4.22, 3.7, 2.76, 
        3.15, 3.73, 3.08, 4.08, 4.43, 3.77, 4.22, 3.62, 3.54, 4.11
        ), wt = c(2.62, 2.875, 2.32, 3.215, 3.44, 3.46, 3.57, 3.19, 
        3.15, 3.44, 3.44, 4.07, 3.73, 3.78, 5.25, 5.424, 5.345, 2.2, 
        1.615, 1.835, 2.465, 3.52, 3.435, 3.84, 3.845, 1.935, 2.14, 
        1.513, 3.17, 2.77, 3.57, 2.78), qsec = c(16.46, 17.02, 18.61, 
        19.44, 17.02, 20.22, 15.84, 20, 22.9, 18.3, 18.9, 17.4, 17.6, 
        18, 17.98, 17.82, 17.42, 19.47, 18.52, 19.9, 20.01, 16.87, 
        17.3, 15.41, 17.05, 18.9, 16.7, 16.9, 14.5, 15.5, 14.6, 18.6
        ), vs = c(0, 0, 1, 1, 0, 1, 0, 1, 1, 1, 1, 0, 0, 0, 0, 0, 
        0, 1, 1, 1, 1, 0, 0, 0, 0, 1, 0, 1, 0, 0, 0, 1), am = c(1, 
        1, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 1, 1, 
        0, 0, 0, 0, 0, 1, 1, 1, 1, 1, 1, 1), gear = c(4, 4, 4, 3, 
        3, 3, 3, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 4, 4, 4, 3, 3, 3, 
        3, 3, 4, 5, 5, 5, 5, 5, 4), carb = c(4, 4, 1, 1, 2, 1, 4, 
        2, 2, 4, 4, 3, 3, 3, 4, 4, 4, 1, 2, 1, 1, 2, 2, 4, 2, 1, 
        2, 2, 4, 6, 8, 2)), row.names = c("Mazda RX4", "Mazda RX4 Wag", 
    "Datsun 710", "Hornet 4 Drive", "Hornet Sportabout", "Valiant", 
    "Duster 360", "Merc 240D", "Merc 230", "Merc 280", "Merc 280C", 
    "Merc 450SE", "Merc 450SL", "Merc 450SLC", "Cadillac Fleetwood", 
    "Lincoln Continental", "Chrysler Imperial", "Fiat 128", "Honda Civic", 
    "Toyota Corolla", "Toyota Corona", "Dodge Challenger", "AMC Javelin", 
    "Camaro Z28", "Pontiac Firebird", "Fiat X1-9", "Porsche 914-2", 
    "Lotus Europa", "Ford Pantera L", "Ferrari Dino", "Maserati Bora", 
    "Volvo 142E"), class = "data.frame")

    这样别人直接复制上面的代码到R里就可以得到跟你一样的样本数据了。

      tctcab reprex()dput() 都是极好的东西,要不要写进“新手必读”里?

        tctcab 矫诏?怕喧宾夺主,舍本逐末。
        那篇原先不是置顶的么?最近突然不见了。

          dapengde

          我这儿还是看得到置顶,左上角排序选择最新/热门的话可以看得到置顶。

          另开个帖子又不放置顶的话不就沉了吗,我觉得可以召唤@yihui 出来商量一下,把帖子链接插进置顶感觉比较好。

            tctcab 哦,是我记错了。“新手须知”的链接位于电脑桌面版浏览器的顶部栏里,不是传统意义的帖子置顶。最近我在手机上浏览得多,而手机版浏览器把这个顶部栏藏到左侧去了,我还以为是置顶帖突然不见了。

            tctcab 不用商量啦,你们觉得合适的修改就放手去改就好了,包括置顶帖。