Full_Name: Paul Louisell
Version: 1.6.0
OS: Windows NT
Submission from: (NULL) (192.249.47.9)
'rbind' does not work properly when one object is a data frame and the
other is
a matrix. See the code below; this is copied directly from an R session. It
appears the objects need to be in the same class for rbind to work correctly.
> test=matrix(1:25, 5, 5)
> test=as.data.frame(test)
> test
V1 V2 V3 V4 V5
1 1 6 11 16 21
2 2 7 12 17 22
3 3 8 13 18 23
4 4 9 14 19 24
5 5 10 15 20 25> test1=matrix(-(1:10), 2, 5)
> test1
[,1] [,2] [,3] [,4] [,5]
[1,] -1 -3 -5 -7 -9
[2,] -2 -4 -6 -8 -10> rbind(test, test1)
V1 V2 V3 V4 V5
1 1 6 11 16 21
2 2 7 12 17 22
3 3 8 13 18 23
4 4 9 14 19 24
5 5 10 15 20 25
6 -1 -2 -3 -4 -5> rbind(as.matrix(test), test1)
V1 V2 V3 V4 V5
1 1 6 11 16 21
2 2 7 12 17 22
3 3 8 13 18 23
4 4 9 14 19 24
5 5 10 15 20 25
-1 -3 -5 -7 -9
-2 -4 -6 -8 -10> rbind(test, as.data.frame(test1))
V1 V2 V3 V4 V5
1 1 6 11 16 21
2 2 7 12 17 22
3 3 8 13 18 23
4 4 9 14 19 24
5 5 10 15 20 25
11 -1 -3 -5 -7 -9
22 -2 -4 -6 -8 -10
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