The logit transformation
y = ln(p/(1-p))
has inverse
p = exp(y)/(1+exp(y)) = 1/[1+exp(-y)]
Arthur
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> Date: Mon, 06 Aug 2001 06:55:00 -0700
> From: "Nagda, Sonal" <S.NAGDA@CGIAR.ORG>
> Subject: Transforming back the data after doing a logit
> To: "ASREML message (E-mail)" <asreml@chiswick.anprod.csiro.au>
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>
> Dear users,
> Please could you let me know the formula used to transform
> back the logit values.
>
> Thanks
>
> Sonal Nagda
>
> Biometrics Unit
> International Livestock Research Institute
> P.O. Box 30709
> NAIROBI, Kenya
> Tel: 254-2-630743
> Fax: 254-2-631499
> Email: s.nagda@cgiar.org
> Web: http://www.cgiar.org/ilri
>
> FUTURE HARVEST
> ILRI is one of 16 international agricultural research institutes
> supported by the Consultative Group on International Agricultural
> Research (CGIAR).
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Arthur Gilmour PhD mailto:Arthur.Gilmour@agric.nsw.gov.au
Principal Research Scientist (Biometrics) fax: <61> 2 6391 3899
NSW Agriculture <61> 2 6391 3922
Orange Agricultural Institute telephone work: <61> 2 6391 3815
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