Dear All,

I have the data some thing like this, I am showing here three days data
only:

> dummy.data <- read.table(file='dummy.txt',sep='', header=TRUE)
> dummy.data
     StDate Domaindesc Logins
1  05/01/10        xxx     10
2  05/01/10        xxx     45
3  05/01/10        xxx      2
4  05/01/10        yyy     45
5  05/01/10        yyy     20
6  05/01/10        yyy     22
7  05/01/10        zzz     34
8  05/01/10        zzz     54
9  05/01/10        zzz      1
10 05/01/10        zzz      0
11 05/02/10        yyy     32
12 05/02/10        xxx     40
13 05/02/10        zzz     23
14 05/02/10        yyy      5
15 05/02/10        zzz     12
16 05/02/10        xxx     19
17 05/02/10        xxx     23
18 05/02/10        xxx     11
19 05/02/10        yyy      9
20 05/02/10        zzz      0
21 05/03/10        xxx      2
22 05/03/10        xxx     21
23 05/03/10        xxx      6
24 05/03/10        yyy     45
25 05/03/10        yyy     43
26 05/03/10        yyy     34
27 05/03/10        yyy     41
28 05/03/10        zzz     31
29 05/03/10        zzz     19
30 05/03/10        zzz     27

I trying to aggregate(sum) the Logins based on  Domaindesc,StDate. I need
like this :

Domaindesc    05/01/10     05/02/10     05/03/10
xxx                 57                93             29
yyy                 87                46             122
zzz

Any help will be greatly appreciated.

Thanks for your time.
Mohan L

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