RE: Log-transformation

From: Vladimir Piotrovskij Date: April 09, 2003 technical Source: cognigencorp.com
From:VPIOTROV@PRDBE.jnj.com Subject:RE: [NMusers] Log-transformation Date:Wed, 9 Apr 2003 11:32:32 +0200 I don't think this could be considered as a solution to the problem of log(0). I have an example where the data simulated with the 2-comp disposition model and $ERROR IPRE = -5 IF(F.GT.0) IPRE = LOG(F) Y = IPRE + ERR(1) were perfectly fitted with the 1-comp model having $ERROR M = THETA(n) Y = LOG(F+M) + (F/(F+M))*ERR(1) + (M/(F+M))*ERR(2) Best regards, Vladimir

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Mar 31, 2003 Daniel Corrado Log-transformation
Mar 31, 2003 William Bachman RE: Log-transformation
Mar 31, 2003 Leonid Gibiansky Re: Log-transformation
Apr 01, 2003 Sam Liao RE: Log-transformation
Apr 01, 2003 Daniel Corrado RE: Log-transformation
Apr 04, 2003 Luann Phillips Re: Log-transformation
Apr 04, 2003 Kenneth Kowalski RE: Log-transformation
Apr 09, 2003 Vladimir Piotrovskij RE: Log-transformation
Apr 09, 2003 Kenneth Kowalski RE: Log-transformation
Apr 09, 2003 Vladimir Piotrovskij RE: Log-transformation
Apr 09, 2003 Kenneth Kowalski RE: Log-transformation
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