[R] Simulate binary correlated data

[R. Michael Weylandt]

On Tue, Mar 5, 2013 at 7:07 PM, Marbles <max-ihmels at gmx.de> wrote:
> Dear R experts,
>
> I am trying to simulate correlated binary data and have stumbled upon the
> following problem:
>
> With the help of "binarySimCLF" or "mvpBinaryEp" I have been able to
> simulate correlating binary vectors given certain mean values and a desired
> correlation. My problem is that these procedures do not allow you to specify
> the exact vector for which you want to generate a correlated vector. Is
> there anyway to do this?
>
> Maybe I can clarify my question by explaining what my goal is:
> I want to generate one Binary Vector (A), generate a correlated binary
> Vector (B), then generate a third binary Vector (C) that is correlated to B
> so that I can then see the occuring correlations between A and C.

IIRC, knowing the correlation between A & B and the correlation
between B & C is not enough to uniquely specify the correlation
between A & C (or perhaps even to bound it). Therefore i think your
question is ill-defined. Though I might be wrong in the specific case
of binary variates...

Cheers,
MW

>
> Thank you in advance,
> Marbles
>
>
>
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