Re: [R] Package or function for selecting matched pairs?

2010-02-17 Thread Ista Zahn
David, this is very nice. Simple and straightforward. Thank you! -Ista On Wed, Feb 17, 2010 at 10:09 AM, David Winsemius wrote: > > On Feb 17, 2010, at 8:55 AM, David Winsemius wrote: > >> >> On Feb 17, 2010, at 8:26 AM, Ista Zahn wrote: >> >>> Hi all, >>> I am designing a study in which I am sel

Re: [R] Package or function for selecting matched pairs?

2010-02-17 Thread David Winsemius
On Feb 17, 2010, at 8:55 AM, David Winsemius wrote: On Feb 17, 2010, at 8:26 AM, Ista Zahn wrote: Hi all, I am designing a study in which I am selecting a subset of college courses to be randomly assigned to one of two conditions. I would like to create matched pairs of courses, and then

Re: [R] Package or function for selecting matched pairs?

2010-02-17 Thread David Winsemius
On Feb 17, 2010, at 8:26 AM, Ista Zahn wrote: Hi all, I am designing a study in which I am selecting a subset of college courses to be randomly assigned to one of two conditions. I would like to create matched pairs of courses, and then randomly assign them to condition within each pair. I woul

[R] Package or function for selecting matched pairs?

2010-02-17 Thread Ista Zahn
Hi all, I am designing a study in which I am selecting a subset of college courses to be randomly assigned to one of two conditions. I would like to create matched pairs of courses, and then randomly assign them to condition within each pair. I would like to identify, for each course, the one that