[R] match from a data.frame in dependence of an ID

Rui Barradas ruipbarradas at sapo.pt
Fri Mar 28 16:42:44 CET 2014


Hello,

Maybe there are other ways but the following works.


tst2 <- matrix(nrow = dim(test)[1], ncol = dim(test)[2])
tst2[] <- test
tst2 <- cbind(dimnames(test)[[1]], tst2)
colnames(tst2) <- c("ID", dimnames(test)[[2]])
tst2 <- as.data.frame(tst2)
tst2


Hope this helps,

Rui Barradas

Em 28-03-2014 15:07, Mat escreveu:
> Thanks first. Your solutions works nearly perfect, i only have one problem
> left.
>
> The result looks like perfect, my problem is now, that i want to convert the
> solution into a data.frame.
>
> If i try
> test<-xtabs(df2$Value~df2$ID + df2$Group)
> test
>         df2$Group
> df2$ID  1  2  3  4  5
>      10 10 20 30 40 50
>      11  0  0 60 70  0
>      12  0  0  0 80  0
>
> perfect.
>
> Now i try:
>
> test<-as.data.frame(test)
> test
>     df2.ID df2.Group Freq
> 1      10         1   10
> 2      11         1    0
> 3      12         1    0
> 4      10         2   20
> 5      11         2    0
> 6      12         2    0
> 7      10         3   30
> 8      11         3   60
> 9      12         3    0
> 10     10         4   40
> 11     11         4   70
> 12     12         4   80
> 13     10         5   50
> 14     11         5    0
> 15     12         5    0
>
> Maybe i can delete the entries on the top "df2$Group" and "df2$ID"?
> My solution should like this one, that i can convert into a data.frame
>
>
>        ID  1  2   3   4  5
> 1    10 10 20 30 40 50
> 2    11  0  0 60 70  0
> 3    12  0  0  0 80  0
>
> Thank you
> Mat
>
>
>
> --
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> Sent from the R help mailing list archive at Nabble.com.
>
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