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refer to an old post below. i searched , but can't find any sample program. can anyone post a specific link for sample program? thanks.
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According to that link you gave, @SteveDenham says that there are examples with code in the SAS documentation. Are you not able to find them?
Paige Miller
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nope, i can't find, that's why i ask if anyone has a specific link for that.
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@magicdj wrote:
nope, i can't find, that's why i ask if anyone has a specific link for that.
Google will find it easily
Paige Miller
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The documentation link is here.
https://documentation.sas.com/doc/en/statug/15.2/statug_nlmixed_examples.htm
You can click the full code under each example title for the full code for each example as they sometimes leverage datasets from previous examples or just have the more lines in the code. Not sure how the built in documentation from your screenshot works.
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The online help for the procedure NLMIXED has 7 example programs in the Examples tabs.
If none of those match your needs then you need to describe your specific model need and be prepared to share some data that will behave in a manner similar to your actual data.
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is this what you talking about?
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Yes.
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- Is your question in the realm of population pharmacokinetics/pharmacodynamics (pop PK/PD) analysis used in Clinical Pharmacology research? Or are you talking about Nonlinear Mixed Effects Modeling (NONMEM) in general?
- Are you comparing the NONMEM software (ICON Development Solutions) to SAS/Stat PROC NLMIXED?
- Do you need Ordinary Differential Equations (ODE)?
- Are you fitting compartment Models? If yes, how many compartments?
- Which specific dosing (aka forcing functions) do you need?
If you give a bit more insight in your use case, then the answers provided will be more insightful for you as well.
Koen
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SAS/STAT 15.3 User's Guide
The NLMIXED Procedure
- Example 89.1 One-Compartment Model with Pharmacokinetic Data
https://go.documentation.sas.com/doc/en/pgmsascdc/9.4_3.5/statug/statug_nlmixed_examples01.htm - Details --> Compartment Models
https://go.documentation.sas.com/doc/en/pgmsascdc/9.4_3.5/statug/statug_nlmixed_details07.htm - Syntax --> CMPTMODEL Statement
https://go.documentation.sas.com/doc/en/pgmsascdc/9.4_3.5/statug/statug_nlmixed_syntax05.htm
The MCMC Procedure (Bayesian nonmem)
- Example 79.22 One-Compartment Model with Pharmacokinetic Data
https://go.documentation.sas.com/doc/en/pgmsascdc/9.4_3.5/statug/statug_mcmc_examples31.htm
Moreover SAS can do : Non-Compartmental (Model Independent) methods (but no examples found in doc)!
Also, ... found an old paper (2007) ... probably still useful.
- Paper 148-2007
Population Pharmacokinetics Studies with Nonlinear Mixed Effects Modeling
David Shen, Alps Biostatistics Inc. ; Zaizai Lu, AstraZeneca Pharmaceuticals
https://support.sas.com/resources/papers/proceedings/proceedings/forum2007/148-2007.pdf
Good luck,
Koen