我无法从对象中提取rownames.当我输入rownames(对象)时,我获得"null",但如果我输入对象,我将获得信息矩阵.如果它有帮助,当我输入类(对象)时,它会告诉我它是一个列表.我正在寻找的是一种获取侧面行名称的方法.谢谢!
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alpha84 alpha91 alpha98 alpha105 alpha112 alpha119
YBR088C 1.08 0.27 0.04 -0.51 -0.80 -0.89
YDL003W 0.62 -0.01 -0.36 -0.04 -0.55 -0.55
YDR097C 0.64 0.18 -0.05 0.03 -0.76 -0.66
YDR507C 0.53 0.13 0.07 0.14 -0.56 -0.41
YER070W 0.73 0.20 0.00 0.11 -0.53 -0.72
YER095W 0.28 -0.05 -0.11 -0.13 -0.87 -0.90
YER111C 0.37 -0.19 -0.11 -0.54 -0.34 -0.47
YGR189C 0.81 0.12 0.15 -0.39 -0.60 -1.20
YKL045W 0.46 -0.27 -0.10 -0.23 -0.42 -1.21
YLR183C 0.96 0.14 0.28 -0.17 -0.14 -0.68
YML027W 0.50 -0.01 0.11 -0.33 -0.44 -0.94
YMR179W 0.42 0.04 -0.40 -0.47 -0.12 -0.61
YNL300W 0.79 0.33 0.54 -0.09 -0.31 -1.01
YOR074C 0.73 0.09 -0.27 -0.22 -0.62 -0.80
YPL163C 1.61 0.84 0.82 -0.09 -0.48 -0.97
YPL256C 1.10 0.56 0.18 -0.32 -0.38 -1.04
结构(列表(
4=结构(列表)(alpha0 = c(-1.15,-1.22,-0.72,-1.76,-1.46,-0.57,-1.21,-0.32,-0.8,-1.7,-1.72,-1.3, - 1.24,-1.14,-2.42,-1.41),alpha7 = c(-0.86,-0.74,-0.85,-0.34,-0.76,0.42,-0.26,-0.65,0.01,-1.46,-0.66,0.07, - 0.78,-0.31,-2.15,-0.69),alpha14 = c(1.21,1.34,0.54,0.18,1.08,1.03,1.36,0.87,0.86,0.93,1.73,0.98,0.31,0.57,0.66,1.39),alpha21 = c(1.62,1.5,1.04,1.07,1.5,1.35,1.37,1.1,0.84,1.12,1.29,1.12,1.46,1.08,1.98,1.98),α28= c(1.12,0.63,0.84,0.37,0.74, 0.64,0.54,1.17,0.51,0.91,0.51,0.13,1.11,1.17,1.55,0.74),α35= c(0.16,0.29,0.24,0.32,0.47,0.42,0.18,0.44,0.14,0.11,0.18,0.19 ,0.62,0.57,0.78,0.21),α42= c(-0.44,-0.55,-0.64,-0.5,-0.7,-0.4,-0.85,0.37,-0.4,0,0.23,-0.58,0.07,0.31 ,0.14,-0.36),α49= c(-0.93,-0.65,-0.83,-0.25,-0.68,-0.9,-0.82,-0.93,-0.64,-0.73,-0.55,-0.63,-0.23, -0.74,-0.94,-1.32),alpha56 = c(-1.23,-0.76,-0.36,-0.48,-1.03,-0.73, - 0.75,-1.45,-0.8,-0.9,-0.97,-0.9,-0.58,-0.68,-1.03,-1.5),α63= c(-0.62,-0.88,-0.7,-0.25,-0.55, - 0.47,0.07,-0.57,0.41,-0.46,-0.48,0.09,-1.01,-0.1,-1.5,-1.07),α70= c(0.62,0.69,0.99,0.79,7.0,0.2,0.89,0.15, 0.88,0.85,0.57,0.54,-0.24,-0.38,-0.03,0.35),α77= c(1.3,1.25,1.08,0.97,1.24,0.78,0.78,0.92,0.75,0.93,0.88,1.44,0.23, 0.75,1.25,1.57),alpha84 = c(1.08,0.62,0.64,0.53,0.73,0.28,0.37,0.81,0.46,0.96,0.5,0.42,0.79,7.7,1.61,1.1),α91= c(0.27, -0.01,0.18,0.13,0.2,-0.05,-0.19,0.12,-0.27,0.14,-0.01,0.04,0.33,0.09,0.84,0.56),α98= c(0.04,-0.36,-0.05,0.07, 0,-0.11,-0.11,0.15,-0.1,0.28,0.11,-0.4,0.54,-0.27,0.82,0.18),α105= c(-0.51,-0.04,0.03,0.14,0.11,-0.13, - 0.54,-0.39,-0.23,-0.17,-0.33,-0.47,-0.09,-0.22,-0.09,-0.32),α112= c(-0.8,-0.55,-0.76,-0.56,-0.53, - 0.87,-0.34,-0.6,-0.42,-0.14,-0.44,-0.12,-0.31,-0.62,-0.48,-0.38),alpha119 = c(-0.89),-0.55,-0.66,-0.41,-0.72,-0.9,-0.47,-1.2,-1.21,-0.68,-0.94,-0.61,-1.01,-0.8,-0.97,-1.04)),. Name = c("alpha0","alpha7","alpha14","alpha21","alpha28","alpha35","alpha42","alpha49","alpha56","alpha63","alpha70","alpha77" ,"alpha84","alpha91","alpha98","alpha105","alpha112","alpha119"),row.names = c("YBR088C","YDL003W","YDR097C","YDR507C","YER070W" ","YER095W","YER111C","YGR189C","YKL045W","YLR183C","YML027W","YMR179W","YNL300W","YOR074C","YPL163C","YPL256C"),class =" data.frame")),.Name ="4")
你有list一个元素.这个单一元素是一个data.frame.
如果您在rownames此对象之后,则适当地索引列表
rownames(object[[1]])
## [1] "YBR088C" "YDL003W" "YDR097C" "YDR507C" "YER070W" "YER095W" "YER111C" "YGR189C" "YKL045W" "YLR183C" "YML027W"
## [12] "YMR179W" "YNL300W" "YOR074C" "YPL163C" "YPL256C"
有关data.frames的更一般列表
# get rownames from all data.frames in a list
lapply(object, rownames)
如果你想要一个data.frame,而不是一个包含data.frame的列表,那么你可以简单地将第一个元素的结果分配给一个单独的元素
object.df <- object[[1]]
如果它是data.frames的列表,那么R将它保留在列表中可能更具惯用性,并且用于lapply处理每个元素.