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Re: st: inflection point of sigmoid curves


From   Simon <[email protected]>
To   [email protected]
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 [email protected]
Phone:004589492106

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