un...@r-project.org [mailto:r-help-boun...@r-project.org]
On Behalf Of yabado
Sent: Donnerstag, 6. August 2009 23:29
To: r-help@r-project.org
Subject: [R] Conditional randomization of groups
Hi
I have a data set which is like this:
Data
ID Type
1 A
2 B
3 A
4 A
5 A
Hi
I have a data set which is like this:
Data
ID Type
1 A
2 B
3 A
4 A
5 A
6 B
7 B
8 A
9 B
10 B
As you can see, there are 5 A and 5 B. Now, I want to a randomization of the
data set which will assign 5 ID to a new group called "Set1"
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