how to merge list of dataframes?
have you tried do.call(rbind, aa) , or perhaps do.call(merge, aa) ? Hope this helps, baptiste
On 15 Dec 2008, at 13:23, ??? wrote:
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
_________________________________________________________________
[[elided Hotmail spam]]
[[alternative HTML version deleted]]
______________________________________________
R-help at r-project.org mailing list
https://stat.ethz.ch/mailman/listinfo/r-help
PLEASE do read the posting guide http://www.R-project.org/posting-guide.html
and provide commented, minimal, self-contained, reproducible code.
_____________________________ Baptiste Augui? School of Physics University of Exeter Stocker Road, Exeter, Devon, EX4 4QL, UK Phone: +44 1392 264187 http://newton.ex.ac.uk/research/emag