RE: [NMusers] $Error log transformed

Hi, This problem was discussed before on NMUSERS, here's a link with code suggested by Leonid Gibiansky and Mats Karlsson (code allowing for a combined - additive and proportional error in log space): http://www.cognigencorp.com/nonmem/nm/98may202004.html You model the log transformed

[NMusers] Join DDMoRe community groups

Dear NMuser, We are looking for you to join our community groups. Help us develop better standards and tools for the pharmacometric community. As you are part of the community, your contribution can make a difference. Kick-off meeting The DDMoRe Foundation will initiate three

[NMusers] Class on PMx with Stan 20/1/17 in NYC

Dear All, On Friday the 20th of January, Michael Betancourt and one other member of the Stan team will present a day-long class on pharmacological modeling with Stan : https://www.eventbrite.com/e/stan-for-pharmacometrics-tickets-28643399178 If you are new to Stan, consider taking the

[NMusers] Mango Solutions R for Pharmacometrics, Clinical Trial Simulation & Clinical Trial Graphics UK, US and European Public training course dates 2017

Hi All, Mango Solutions have announced the following R training courses for 2017. These courses have been carefully created & developed over the last decade to remain current and applicable specifically for the Pharmaceutical sector. Dates and locations for these courses are as follows: UK -

[NMusers] ISoP Announces Reduced Membership Fees

Dear colleagues, In an ongoing effort to serve a larger and more international community, the Board of Directors of ISoP (International Society of Pharmacometrics, http://www.go-isop.org/) is glad to announce the implementation of reduced membership fees for Asian countries, as well as for

[NMusers] Job Opportunity: PKPD Data Manager/Associate Scientist, Netherlands

Certara is looking for a PKPD Data Manager/SAS Programmer in the Netherlands! PKPD Data Manager/SAS Programmer (Associate Scientist) The PKPD Data-Manager will be a SAS-programmer and consultant in pharmacokinetics, pharmacodynamics data management. The PKPD Data-Manager will be responsible

[NMusers] $Error log transformed

Dear All, I would like to model my data log transformed. So far, I already found some suggestions for this problem here but none of them worked in my case - probably I did sth. wrong. I would be very happy if someone could help me with changing my error model, which I assume has to be

RE: [NMusers] $Error log transformed

Hi Katrin, You'll have to take the natural logarithm of your DVs I would change your error block to: $ERROR IPRED=LOG(F+1E-16) ; Protection against LOG(0) in case of dosing events etc Y=IPRED+ERR(1) ; FOR PROPORTIAL ERROR Cheers! Rob Van: owner-nmus...@globomaxnm.com