"Farrel Buchinsky" <fjbuch at gmail.com>
wrote:>
> Does anyone know if the sib TDT has been implemented in R
>
> 1. Spielman, R.S., and Ewens, W.J. (1998) A sibship test for linkage in the
> presence of association: the sib transmission/disequilibrium test. Am J Hum
> Genet 62, 450-458
>
It can be done as a conditional logistic regression (look at clogit). I
don't
think the sib TDT is as efficient as an FBAT approach, which can be applied to
that type of data.
David Duffy.
| David Duffy (MBBS PhD) ,-_|\
| email: davidD at qimr.edu.au ph: INT+61+7+3362-0217 fax: -0101 / *
| Epidemiology Unit, Queensland Institute of Medical Research \_,-._/
| 300 Herston Rd, Brisbane, Queensland 4029, Australia GPG 4D0B994A v