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Re: st: inflection point of sigmoid curves


From   Simon <scmoore.lists@googlemail.com>
To   statalist@hsphsun2.harvard.edu
Subject   Re: st: inflection point of sigmoid curves
Date   Tue, 15 Jun 2010 14:07:35 +0100

If you mean sigmoid as in:

c/(exp(b*(a - x)) + 1)

then surely the inflection is at a?

Simon



On 14/06/2010 20:08, Johannes Schmid wrote:
Is it possible to calculate the inflection point in sigmoid curves in STATA,
and how can it be done?

Best regards,

Johannes Schmid
Dept. of Respiratory Medicine
Aarhus University Hospital
Denmark
Mail d320838@dadlnet.dk
Phone:004589492106

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