Discussions

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  Inquiry about output of "nonmem2rx" and "rxode2"

  WXX155367 asked Feb 12, 2026 in Q&A · Unanswered

  

  

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  There is error in simulation with covariance matrix, I don't know what's the problem is.

  WXX155367 asked Dec 17, 2025 in Q&A · Answered

  

  

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  Can I simulate different scenarios for different covariates?

  WXX155367 asked Dec 4, 2025 in Q&A · Answered

  

  

  

  

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  Combining two NONMEM models with the same PK using nonmem2rx

  harroj02 asked Dec 2, 2025 in Q&A · Unanswered

  

  

  

  

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  Can I use RxODE2 to simulate multiple doses in population?

  WXX155367 asked Nov 21, 2025 in Q&A · Answered

  

  

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  RxODE simulation with variance/covariance of off-diagonal OMEGA elements

  lirui0321 asked Apr 2, 2024 in Q&A · Unanswered

  

  

  

  

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  Column resetno added to output when event table is a dataframe

  john-harrold asked Nov 22, 2025 in Q&A · Closed · Answered

  

  

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  Is there a way to ignore mu-referencing error?

  billdenney asked Oct 30, 2025 in Q&A · Unanswered

  

  

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  Introduction of lag for parallel 0- and 1-order absorption

  arindampal1981 asked Oct 15, 2025 in Q&A · Unanswered

  

  

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  ipredsim with multiple endpoints

  john-harrold asked Oct 2, 2025 in Q&A · Unanswered

  

  

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  Covariates and rxSolve: iCov vs params

  john-harrold asked Sep 5, 2025 in Q&A · Answered

  

  

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  logit with rxode2

  mattfidler asked Aug 13, 2025 in Q&A · Unanswered

  

  

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  Event table add observation with value.

  fbzto asked Jul 22, 2025 in Q&A · Unanswered

  

  

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  Multiple-dose kinetics for two depots

  arindampal1981 asked Jul 12, 2025 in Q&A · Unanswered

  

  

  

  

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  unhandled error message: EE:[lsoda] 70000 steps taken before reaching tout. Error: could not solve the system

  jfndiaye asked Jul 26, 2022 in Q&A · Unanswered

  

  

  

  

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  Disso expression not coupling with absorption

  arindampal1981 asked Feb 21, 2025 in Q&A · Answered

  

  

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  residual error not assigned to variable defined using lincmt

  crgfn asked Feb 18, 2025 in Q&A · Answered

  

  

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  Multiple End Points Error

  Dan-Bending asked Feb 10, 2025 in Q&A · Answered

  

  

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  unhandled error message: EE:[lsoda] 70000 steps taken before reaching tout @(lsoda.c:754

  rebekazakelj asked Feb 3, 2025 in Q&A · Answered

  

  

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  Error when nesting more than one level of variability

  liuxl17 asked Jan 20, 2025 in Q&A · Answered

  

  

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  How to use logit error in rxode2/nlmixr2

  mattfidler asked Dec 3, 2024 in Q&A · Unanswered

  

  

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  When to set seeds

  john-harrold asked Aug 30, 2024 in Q&A · Closed · Unanswered

  

  

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  How do I add a population parameter using model piping?

  john-harrold asked Aug 6, 2024 in Q&A · Closed · Unanswered

  

  

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  Error: mis-match in nbr endpoints in model & in data

  pascalschulthess asked Jul 25, 2024 in Q&A · Answered

  

  

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  Using vectors in a model

  pascalschulthess asked Jul 16, 2024 in Q&A · Answered

  

  

  

  

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