ALOGit Function [solved]

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frank
Posts: 9
Joined: Thu Apr 01, 2010 10:09 am

ALOGit Function [solved]

Post by frank »

Hi,
I am just wondering what the difference between the ALOG-function in MLWin and the one from other programms is.
For example in http://www.cmm.bristol.ac.uk/MLwiN/download/MCMC-09.pdf
is calculated on page 133 ALOG of -0,437 as 0.39246
If I do this with MLWin I get the same result. (I assumed that ALOG is now called ALOGit)
But if I try to use Excel or Wolfram Alpha I get different results:
http://www.wolframalpha.com/input/?i=alog%28-0.437%29

So I would be really happy if someone could explain to me what the ALOGit-function does and maybe how I could reproduce it with Excel.
Thank you very much.
Frank J.
Last edited by frank on Thu Aug 12, 2010 11:48 am, edited 1 time in total.
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frank
Posts: 9
Joined: Thu Apr 01, 2010 10:09 am

Re: ALOGit Function

Post by frank »

I got it myself by reading the manual...
its =1/(1+EXP(-A1)), isnt it?
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