[R] how to merge list of dataframes?

[ONKELINX, Thierry]

Try do.call("rbind", aa)

HTH,

Thierry
----------------------------------------------------------------------------
ir. Thierry Onkelinx
Instituut voor natuur- en bosonderzoek / Research Institute for Nature and Forest
Cel biometrie, methodologie en kwaliteitszorg / Section biometrics, methodology and quality assurance
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tel. + 32 54/436 185
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~ Sir Ronald Aylmer Fisher

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-----Oorspronkelijk bericht-----
Van: r-help-bounces op r-project.org [mailto:r-help-bounces op r-project.org] Namens ???
Verzonden: maandag 15 december 2008 14:23
Aan: r-help op r-project.org
Onderwerp: [R] how to merge list of dataframes?


Dear all:

I have a list of dataframes like this, i try to merge this lists of dataframes into one single dataframe, and keep ther column names as usual, how can i do this?

i try lapply(aa,rbind), but it dose not work.

Best regard!

> summary(aa)
       Length Class      Mode
  [1,] 3      data.frame list
  [2,] 3      data.frame list
  [3,] 3      data.frame list
  [4,] 3      data.frame list
  [5,] 3      data.frame list
  [6,] 3      data.frame list
  [7,] 3      data.frame list
...

> aa[1]
[[1]]
        b     p         d
1    1  pair1 1.07293
2    1  pair2 1.74022
3    1  pair3 4.17572
4    1  pair4 1.52449
5    1  pair5 1.63937
6    1  pair6 4.36470
8    1  pair8 1.17507
10   1 pair10 0.41672
11   1 pair11 3.62334

> aa[2]
[[1]]
        b       p       d
13   2 pair13 1.12680
14   2 pair14 1.41834
15   2 pair15 1.94462
16   2 pair16 4.97495
17   2 pair17 2.49566
18   2 pair18 6.76947
19   2 pair19 1.81448
20   2 pair20 6.25511

> aa[3]
[[1]]
        b    p         d
21   3 pair21  2.67789
22   3 pair22  1.57610
24   3 pair24  0.63215
25   3 pair25  0.79549
26   3 pair26  1.71219
27   3 pair27 39.29264


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