Thanks Joseph!
Deidra
On 6/12/06 1:18 PM, "Joseph Coveney" <[email protected]>
> Deidra Young wrote:
>
> Hi Roger,
>
> Only one thing I don't quite follow...
> The tab command will produce Kendall's tau-b and approximate SE. However,
> Sommers' D produces tau-a only.
>
> How do tau-a and tau-b differ?
>
> ------------------------------------------------------------------------------
> --
>
> You'll find a description of each on Roger's website. Take a look at
> Section 2 on Page 2 of
>
> www.imperial.ac.uk/nhli/r.newson/papers/params.pdf
>
> Joseph Coveney
>
>
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>
Deidra Young, PhD
Senior Research Fellow
Epidemiology Branch
Population Sciences Division
Telethon Institute for Child Health Research
100 Roberts Rd Subiaco Western Australia 6008
PO Box 855 West Perth, Western Australia 6872
Australian Rett Syndrome Study
phone: +61 8 9489-7789
fax: +61 8 9489-7700
Mobile: 0401 107 164
http://www.ichr.uwa.edu.au
Email: [email protected]
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