Leonid Gibiansky

539 messages, 1999–2026

Date Subject
Sep 23, 1999 LAST DOSE technical
Oct 04, 1999 treatment of BQL technical
Oct 05, 1999 RE: treatment of BQL technical
Jun 23, 2000 RE: weighted residuals technical
Jun 23, 2000 RE: weighted residuals technical
Sep 20, 2000 RE: An approach for imputing missing independent variable (covariate) technical
Sep 29, 2000 RE: Bayesian estimation technical
Nov 14, 2000 RE: 95% CI of parameter estimate technical
Nov 14, 2000 RE: 95% CI of parameter estimate technical
Mar 29, 2001 RE: Bootstrap resampling! technical
Mar 29, 2001 RE: Bootstrap resampling! technical
Mar 29, 2001 RE: Bootstrap resampling! -> Randomization test technical
May 07, 2001 RE: Unreasonable VSS estimate technical
May 07, 2001 =?utf-8?B?UkU6IFVucmVhc29uYWJsZSBWU1MgZXN0aW1hdGU=?= technical
May 08, 2001 RE: One ETA...for which parameter? technical
May 09, 2001 RE: Parameterization!!! technical
May 10, 2001 RE: Parameterization!!! technical
May 11, 2001 RE: Parameterization!!! technical
May 14, 2001 RE: Rich data set technical
May 24, 2001 RE: Error models and weighting technical
Jul 02, 2001 RE: Missing covariates technical
Jul 02, 2001 RE: Missing covariates technical
Jul 05, 2001 RE: Centering (was Re: Missing covariates) technical
Jul 30, 2001 RE: Centering (was Re: Missing covariates) technical
Oct 11, 2001 Re: Distributive Computing technical
Oct 26, 2001 glucose blood level measurements technical
Nov 02, 2001 Re: Problem (bug ?) with RATE and F1 in $PK technical
Nov 02, 2001 Re: Problem (bug ?) with RATE and F1 in $PK technical
Jan 14, 2002 censored data technical
Mar 08, 2002 Re: T matrix technical
Mar 11, 2002 Re: T matrix technical
Apr 03, 2002 Re: Capturing AUC between observation time intervals technical
Apr 23, 2002 Re: When to do transformation of data? technical
Apr 23, 2002 RE: When to do transformation of data? technical
Apr 23, 2002 RE: When to do transformation of data? technical
Apr 23, 2002 RE: When to do transformation of data? technical
May 02, 2002 RE: sequential PK/PD technical
May 08, 2002 Re: Oral pharmacokinetics sparse (no absorption phase) technical
May 17, 2002 Re: Placebo-corrected PD models technical
May 17, 2002 RE: Placebo-corrected PD models technical
Jul 12, 2002 Re: Endogenous drug technical
Jul 22, 2002 Re: Changing significant digits technical
Jul 30, 2002 Re: Not enough sex! technical
Sep 17, 2002 Re: Obtaining gradients for the computation of prediction intervals technical
Oct 04, 2002 Re: FW: OMEGA HAS A NONZERO BLOCK technical
Oct 04, 2002 RE: FW: OMEGA HAS A NONZERO BLOCK technical
Oct 04, 2002 RE: FW: OMEGA HAS A NONZERO BLOCK technical
Oct 07, 2002 RE: OMEGA HAS A NONZERO BLOCK technical
Oct 08, 2002 Re: OMEGA HAS A NONZERO BLOCK technical
Nov 19, 2002 Warning on xpose - S+ interaction technical
Jan 29, 2003 Re: FO vs FOCE (Any test?) technical
Feb 04, 2003 Re: CV technical
Mar 28, 2003 Re: Fixed or estimated? technical
Mar 31, 2003 Re: Log-transformation technical
Apr 01, 2003 RE: Describing variability technical
Apr 01, 2003 RE: Describing variability technical
Apr 02, 2003 RE: Describing variability technical
Apr 02, 2003 RE: Describing variability technical
Apr 11, 2003 Re: Error model technical
May 01, 2003 model diagnostics technical
May 05, 2003 Re: Using covariates with positive and negative values technical
May 14, 2003 Re: RE: ROUNDING ERRORS (ERROR=134) technical
May 15, 2003 Re: Math problem technical
May 22, 2003 Re: Poor PRED estimates technical
May 23, 2003 RE: Poor PRED estimates technical
May 27, 2003 RE: Poor PRED estimates technical
Jun 02, 2003 Re: Weighting in NONMEM technical
Jun 18, 2003 Re: PRED in a Hill binding model technical
Jun 27, 2003 Re: Omega Block off Diagonals technical
Jul 17, 2003 Re: Parameter %RSE vs ETA %RSE technical
Aug 06, 2003 RE: Non-physiological parameters at lowest OBJ technical
Aug 19, 2003 RE: Model estimates based on 1 sample per subject technical
Sep 25, 2003 Re: order of covariate inclusion technical
Sep 25, 2003 Re: order of covariate inclusion technical
Sep 25, 2003 RE: Re: order of covariate inclusion technical
Sep 25, 2003 Re: order of covariate inclusion technical
Sep 26, 2003 RE: order of covariate inclusion -> avoiding stepwise approaches -> abandoning exploratory analysis? technical
Sep 29, 2003 RE: order of covariate inclusion -> avoiding stepwise a pproaches -> abandoning exploratory analysis? technical
Oct 22, 2003 Re: LLR test, AIC, BIC technical
Oct 29, 2003 Re: lagged concentrations technical
Oct 30, 2003 Re: lagged concentrations technical
Nov 17, 2003 Re: Different population estimates technical
Nov 17, 2003 Re: Different population estimates technical
Nov 17, 2003 Re: Different population estimates technical
Dec 05, 2003 Re: BOV Code technical
Dec 17, 2003 Re: Nonmem model technical
Dec 19, 2003 Re: Nonmem model technical
Jan 13, 2004 Re: Fixed elements within a block covariance matrix technical
Jan 14, 2004 Re: Fixed elements within a block covariance matrix technical
Feb 05, 2004 RE: Simulation problems technical
Feb 10, 2004 RE: Simulated vs. fitted population concentration curves technical
Feb 12, 2004 Re: Fortran overflow technical
Feb 17, 2004 Re: Implementation of interindividual variability in residual variance technical
Feb 18, 2004 Re: Implementation of interindividual variability in residual variance technical
Apr 29, 2004 RE: Trouble increasing ETA capacity in NMV 1.1 technical
May 18, 2004 RE: problem with acquiring post hoc estimates technical
May 18, 2004 RE: problem with acquiring post hoc estimates technical
May 21, 2004 RE: Constant and Proportional Error with Log transformed data with single data point per subject technical
Jun 01, 2004 RE: $OMEGA blocks and log-likelihood profiling technical
Jun 08, 2004 RE: $OMEGA blocks and log-likelihood profiling technical
Jun 10, 2004 RE: How sparse is too sparse? technical
Jun 10, 2004 RE: $OMEGA blocks and log-likelihood profiling technical
Jun 10, 2004 RE: $OMEGA blocks and log-likelihood profiling technical
Jun 16, 2004 RE: Renal CL estimations technical
Jun 24, 2004 RE: protein binding technical
Jun 24, 2004 RE: protein binding technical
Aug 06, 2004 RE: Changing Clearance over time : Enzyme auto-induction technical
Aug 23, 2004 RE: Decrease in OFV with a fixed effect technical
Sep 16, 2004 RE: covariates technical
Sep 17, 2004 RE: covariates technical
Sep 17, 2004 RE: covariates technical
Sep 17, 2004 RE: covariates technical
Sep 20, 2004 RE: covariates technical
Nov 19, 2004 RE: NONMEM Bug Overview - AAPS technical
Nov 26, 2004 RE: Permutation test with small number of possible permutations technical
Nov 27, 2004 RE: Permutation test with small number of possible permutations technical
Nov 29, 2004 RE: Determining metabolite clearance fraction technical
Dec 08, 2004 RE: posthoc step technical
Dec 08, 2004 RE: SAS program or SAS macro to prepare NonMem ready data technical
Dec 11, 2004 RE: SAS program or SAS macro to prepare NonMem ready data technical
Mar 15, 2005 Re: Modeling of different formulations technical
Apr 04, 2005 Re: population size and confidence power technical
Apr 15, 2005 RE: simulation of dose escalation study technical
Apr 20, 2005 Re: addition of dummy points technical
Apr 21, 2005 Re: addition of dummy points technical
Apr 21, 2005 Re: addition of dummy points technical
Apr 22, 2005 Re: addition of dummy points technical
Apr 27, 2005 Re: Model building advice technical
May 13, 2005 Probabilistic model technical
May 13, 2005 Re: Probabilistic model technical
May 17, 2005 Re: Probabilistic model technical
May 19, 2005 Re: Follow up: Model building advice technical
May 27, 2005 RES and WRES technical
Jun 25, 2005 Re: NONMEM Tips #22 - June 20, 2005 - Upgrading to Intel9.0 Fortran for Windows technical
Jun 29, 2005 Re: POSTHOC and ETA values disagree technical
Jul 01, 2005 Re: POSTHOC and ETA values disagree technical
Jul 17, 2005 Re: End of semester MCQ and short answer question technical
Jul 17, 2005 Re: End of semester MCQ and short answer question technical
Jul 26, 2005 Re: log transformed data and multi compartment PK technical
Aug 03, 2005 RE: Standard errors below 0.1%? technical
Sep 23, 2005 Dose and concentration unit differences technical
Oct 06, 2005 Re: non-linear PK technical
Oct 06, 2005 Re: non-linear PK technical
Oct 19, 2005 Re: Inclusion of covariates and model improvement technical
Oct 20, 2005 Re: Inclusion of covariates and model improvement technical
Oct 28, 2005 Re: target-mediated model - steady state - unstable system? technical
Nov 16, 2005 Re: Incorporating duplicate assays technical
Jan 20, 2006 RE: covariate selection question technical
Mar 28, 2006 Re: restraining eta code event
Mar 28, 2006 Re: restraining eta code event
May 02, 2006 Re: leverage analysis vs. case deletion technical
Jun 26, 2006 logistic regression: NONMEM LAPLACIAN vs. Gaussian quadrature technical
Jun 26, 2006 Re: logistic regression: NONMEM LAPLACIAN vs. Gaussian quadrature technical
Jun 26, 2006 Re: logistic regression: NONMEM LAPLACIAN vs. Gaussian quadrature technical
Jul 30, 2006 Re: Problems with an apparent compiler-senstive model technical
Aug 02, 2006 Re: Problems with an apparent compiler-senstive model technical
Aug 02, 2006 Re: Problems with an apparent compiler-senstive model technical
Aug 02, 2006 RE: Error when combining proportional residual error, technical
Aug 02, 2006 RE: Error when combining proportional residual error, technical
Sep 08, 2006 Re: importData in S as numeric format technical
Sep 22, 2006 Re: Bootstrap question technical
Sep 26, 2006 RE: WRES AND OUTLIER IDENTIFICATION/EXCLUSION technical
Sep 26, 2006 RE: WRES AND OUTLIER IDENTIFICATION/EXCLUSION technical
Feb 12, 2007 Re: Problems with a physiologic model technical
Feb 20, 2007 ETABAR p-value technical
Feb 28, 2007 Re: Best approach with limited data technical
Mar 04, 2007 Re: parent drug and metabolite technical
Mar 05, 2007 Re: parent drug and metabolite technical
Mar 08, 2007 Re: Antwort: Re: change from mass to molar units technical
May 07, 2007 Re: Improved absorption profile by forcing volume of the central compartment technical
May 07, 2007 Re: Improved absorption profile by forcing volume of the central compartment technical
May 29, 2007 Re: trough time same as dosing time technical
Jun 06, 2007 Re: How does TIME work for multiple doses in NONMEM? technical
Jun 25, 2007 Re: tumor growth model technical
Jul 09, 2007 Re: Query on model development technical
Jul 24, 2007 Re: Nonparametric method technical
Jul 30, 2007 Re: $MIX and $CONTR technical
Jul 31, 2007 Re: $MIX and $CONTR technical
Sep 13, 2007 Re: S-plus multivariate normal distribution technical
Sep 21, 2007 Re: SIMULATION QUESTIONS technical
Sep 26, 2007 Re: Data File technical
Sep 27, 2007 Re: bug/feature in $AES technical
Sep 28, 2007 Re: bug/feature in $AES technical
Oct 05, 2007 Re: Error model technical
Oct 12, 2007 Re: permissible band matrix technical
Oct 15, 2007 Re: different COMRES statements technical
Oct 24, 2007 Re: Reporting Modeling Results technical
Oct 25, 2007 Re: Reporting Modeling Results technical
Oct 26, 2007 Re: Reporting Modeling Results technical
Oct 26, 2007 Re: R package useful for electronic regulatory submissions news
Oct 29, 2007 Re: help with modelling of categorical response data technical
Dec 07, 2007 Re: Unix to Windows Model Translation / PK Comp Initialization technical
Dec 12, 2007 Re: Cmax, Tmax, and Time and AUC above threshold such as MIC technical
Jan 15, 2008 Re: Multiple amniotic fluid samples technical
Jan 15, 2008 Re: "Connect the dots" approach for a time-varying covariate technical
Jan 29, 2008 Re: Why does covariance fail? technical
Feb 06, 2008 Re: output SE of population PK parameters in Nonmem technical
Feb 14, 2008 Re: Combined residual model and IWRES. technical
Feb 15, 2008 Re: IIV on %CV-Scale - Standard Error (SE) technical
Feb 27, 2008 Re: System call from R causes loss of cursor control technical
Apr 09, 2008 Re: NM VI and NMV gave different results technical
Apr 21, 2008 Re: Number of bootstrap runs needed for confidence intervals technical
Apr 22, 2008 Re: truncation & simulation technical
Apr 24, 2008 Re: Body weight distribution technical
May 01, 2008 Re: Differences with ADVAN3 TRANS1 and ADVAN3 TRANS4 technical
May 23, 2008 Re: Visual predictive check! technical
May 28, 2008 Re: Sparse (pediatric) and rich (adult) data technical
May 29, 2008 Re: Sparse (pediatric) and rich (adult) data technical
Jun 30, 2008 Re: iNTRAVENOUS VS. INTRA-ARTERIAL SAMPLING technical
Jul 03, 2008 Re: Estimation of standard error technical
Jul 19, 2008 Re: algorithm limits technical
Jul 20, 2008 Re: algorithm limits technical
Jul 25, 2008 Re: problem with PK fit in a PKPD model technical
Jul 25, 2008 Re: FW: PPC technical
Jul 26, 2008 Re: problem with PK fit in a PKPD model technical
Sep 07, 2008 NONMEM memory vs. run time technical
Sep 08, 2008 NONMEM memory vs. run time technical
Sep 19, 2008 Re: Scaling for pediatric study planning technical
Sep 19, 2008 Re: target-mediate model: numerical difficulties technical
Sep 29, 2008 Re: a potential bug technical
Oct 16, 2008 Re: More Levels of Random Effects technical
Oct 17, 2008 Re: More Levels of Random Effects technical
Oct 22, 2008 Re: More Levels of Random Effects technical
Nov 13, 2008 Re: Very small P-Value for ETABAR technical
Nov 14, 2008 Re: Very small P-Value for ETABAR technical
Nov 18, 2008 RE: Models that abort before convergence technical
Nov 20, 2008 Re: Models that abort before convergence Addendum technical
Nov 21, 2008 Re: Models that abort before convergence Addendum technical
Dec 03, 2008 unscientific poll technical
Dec 09, 2008 Re: Modelling intracellular and plasma data technical
Dec 09, 2008 Re: FO vs FOCE, sequential vs simultaneous technical
Jan 12, 2009 Re: CrcL or Cr in pediatric model technical
Jan 13, 2009 Re: CrcL or Cr in pediatric model technical
Jan 14, 2009 Re: CrcL or Cr in pediatric model technical
Feb 02, 2009 Re: Identifiablity of parent / metabolite PK with interconversion technical
Feb 03, 2009 Re: Identifiablity of parent / metabolite PK with interconversion technical
Feb 04, 2009 Re: Identifiablity of parent / metabolite PK with interconversion technical
Feb 05, 2009 Re: simulation question technical
Feb 06, 2009 Re: simulation question technical
Feb 13, 2009 Re: Theoretical questions about Beal's M2 method technical
Feb 24, 2009 Re: var-cov matrix issue? technical
Feb 25, 2009 Re: VPC, NPC or PPC? technical
Feb 26, 2009 Re: VPC, NPC or PPC? technical
Mar 26, 2009 Re: Log transformation of concentration technical
Apr 14, 2009 Re: OMEGA BLOCK with mixture model? technical
Apr 14, 2009 Re: VPC with Mixture Model technical
Apr 16, 2009 Re: OMEGA BLOCK with mixture model? technical
Apr 19, 2009 Re: OMEGA BLOCK with mixture model? technical
Apr 21, 2009 Re: Bootstrap analysis technical
Apr 23, 2009 Re: Resetting af single compartment technical
Jun 02, 2009 Re: forrtl: error (73): floating divide by zero technical
Jun 03, 2009 Re: forrtl: error (73): floating divide by zero technical
Jun 04, 2009 Re: Coding a triple absorption model technical
Jun 09, 2009 Re: Time to event analysis using NONMEM technical
Jun 17, 2009 Re: estimating Ka from dataset combining rich sample study and sparse sampling study technical
Jun 17, 2009 Re: estimating Ka from dataset combining rich sample study and sparse sampling study technical
Jun 29, 2009 Re: Problem with HESSIAN technical
Aug 03, 2009 Re: OMEGA-Block technical
Aug 04, 2009 Re: OMEGA-Block technical
Aug 04, 2009 Re: COND LAPLACE LIKELIHOOD technical
Aug 07, 2009 Re: Code to avoid flip-flop kinetics technical
Aug 10, 2009 Re: Code to avoid flip-flop kinetics technical
Aug 11, 2009 Re: Code to avoid flip-flop kinetics technical
Aug 21, 2009 Re: Linear VS LTBS technical
Aug 24, 2009 Re: What does convergence/covariance show? technical
Aug 25, 2009 Re: What does convergence/covariance show? technical
Sep 18, 2009 Re: VPC appropriateness in complex PK technical
Sep 19, 2009 Re: VPC appropriateness in complex PK technical
Sep 20, 2009 Re: VPC appropriateness in complex PK technical
Oct 02, 2009 Re: PD modelling problem - Emax at lower bound? technical
Oct 08, 2009 Re: Missing value when modeling categorical data technical
Oct 16, 2009 Re: The system cannot execute the specified program technical
Nov 05, 2009 Re: FW: advan8 vs. advan13 (CORRECTION) technical
Nov 18, 2009 Re: Modeling biomarker data below the LOQ technical
Nov 19, 2009 Re: Modeling biomarker data below the LOQ technical
Nov 20, 2009 Re: Modeling biomarker data below the LOQ technical
Nov 23, 2009 R/S+ nlme ODE technical
Dec 04, 2009 Re: Model building technical
Dec 11, 2009 Re: Duration of Absorption Time From Depot (Gut) as Covariate technical
Dec 15, 2009 Re: $ERROR and LOGIT technical
Dec 15, 2009 Re: Duration of Absorption Time From Depot (Gut) as Covariate technical
Dec 16, 2009 Re: Duration of Absorption Time From Depot (Gut) as Covariate technical
Jan 21, 2010 Re: missing table file technical
Feb 10, 2010 Re: Sequential PK PD technical
Feb 14, 2010 Re: computational issues preventing COV technical
Feb 18, 2010 Re: Predict AUC based on trough concentrations technical
Feb 24, 2010 Re: Meta-analysis with Nonmem technical
Feb 26, 2010 Re: Meta-analysis with Nonmem technical
Mar 26, 2010 Re: scaling problem?? technical
Mar 28, 2010 Re: Parallel first order and Michaelis-Menten elimination technical
Mar 30, 2010 Re: Parallel first order and Michaelis-Menten elimination technical
Mar 31, 2010 Error model technical
Apr 06, 2010 Re: Generating Cmax at end of infusion technical
Apr 07, 2010 Re: Generating Cmax at end of infusion technical
Apr 24, 2010 Re: Weibull Absorption Simulation - Multiple Doses technical
Apr 25, 2010 Re: Weibull Absorption Simulation - Multiple Doses technical
May 12, 2010 Re: nm7 IMP method question technical
May 31, 2010 Re: distribution assumption of Eta in NONMEM technical
Jun 27, 2010 Re: Comaprison of two models technical
Aug 11, 2010 Re: Rounding errors with TRANSIT model technical
Aug 11, 2010 Re: Baseline as a covariate technical
Aug 17, 2010 Re: Issue with Volume of Peripheral Comp technical
Aug 29, 2010 Re: Trial optimization across multiple endpoints technical
Aug 30, 2010 Re: FW: Block versus diagonal omega technical
Aug 31, 2010 Re: FW: Block versus diagonal omega technical
Sep 01, 2010 Re: $PK ADVAN6 technical
Sep 06, 2010 Re: How serious are negative eigenvalues? technical
Sep 07, 2010 Re: Negative eigenvalues, over-paramterization, finding most sensitive parameter technical
Sep 20, 2010 bug list news
Oct 08, 2010 Re: Very big NONMEM technical
Nov 01, 2010 Re: Hessian of posterior density is non positive definite during search technical
Nov 23, 2010 Re: Predictions beyond SS dosing time + II technical
Nov 24, 2010 Re: RE: Zähneputzen VOR oder NACH dem Frühstück? What comes fir st? BSV, BOV, or covariates? technical
Jan 06, 2011 Re: outsourcing PK/PD analysis - help wanted job
Jan 26, 2011 Re: High spec PC setup for NONMEM - recommendations? technical
Feb 03, 2011 Re: Inclusion of Analytical Expressions in NONMEM control file technical
Feb 12, 2011 Re: Problems with PD Modelling technical
Feb 13, 2011 Re: Problems with PD Modelling technical
Apr 11, 2011 Re: Modeling Cmin and Tmin technical
May 23, 2011 simulation problem or bug technical
May 24, 2011 Re: simulation problem or bug technical
May 25, 2011 Re: simulation problem or bug technical
Jun 02, 2011 Re: Modeling concentration data with imprecise sampling time technical
Jun 03, 2011 Re: Modeling concentration data with imprecise sampling time technical
Jul 10, 2011 Re: Confidence intervals of PsN bootstrap output technical
Jul 11, 2011 Re: Confidence intervals of PsN bootstrap output technical
Jul 22, 2011 Re: inverse gaussian input function technical
Jul 28, 2011 Re: Self-abort/protective code for bootstrapping technical
Jul 28, 2011 Re: lagged absorption and empirical input function technical
Sep 21, 2011 Re: analysis of non-positive DV technical
Sep 22, 2011 Re: Epsilon shrinkage and IWRES technical
Oct 14, 2011 Re: PRIOR method without covariance matrix of estimates? technical
Oct 15, 2011 Re: PRIOR method without covariance matrix of estimates? technical
Oct 28, 2011 Re: Delayd Cmax following infusion of a monoclonal antibody technical
Nov 14, 2011 Re: CycleCloud BigScience Challenge giving away ~8-hours on 30000 core cluster for research technical
Dec 12, 2011 Re: Different assays for different studies technical
Dec 22, 2011 Re: Bootstrap in combination with PRIOR? technical
Jan 13, 2012 Re: Fwd: Re: Predicting Drug in Tissue A2 using MAXEVAL=0 technical
Jan 14, 2012 Re: Memory problems with Xpose technical
Feb 03, 2012 Re: Output EPS(1) after an $EST step? technical
Feb 13, 2012 Re: NONLINEAR PK MODEL ERROR technical
Mar 15, 2012 Re: NONMEM compiler technical
Apr 11, 2012 Re: Parallel first order and Michaelis-Menten elimination technical
Apr 25, 2012 Re: modeling of total concentration of two drugs with different kinetics in NONMEM technical
May 10, 2012 Re: VPC results using PsN and Xpose technical
May 25, 2012 Re: Question about handling BLOQ data with mixture model technical
Jun 22, 2012 Re: different parameterizations of OMEGA matrix vs. chance of getting flip-flop estimates technical
Jun 22, 2012 Re: different parameterizations of OMEGA matrix vs. chance of getting flip-flop estimates technical
Jul 05, 2012 Re: Time after dose technical
Jul 05, 2012 Re: Log transformation of both sides technical
Jul 06, 2012 Re: Modeling targeted mediated drug disposition using Quasi-equilibrium model job
Aug 14, 2012 Re: restart NONMEM technical
Nov 23, 2012 Re: Different EBE estimation between original and enriched dataset with MDV=1 technical
Nov 26, 2012 Re: Different EBE estimation between original and enriched dataset with MDV=1 technical
Nov 27, 2012 Re: Different EBE estimation between original and enriched dataset with MDV=1 technical
Dec 15, 2012 Re: capecitabine PopPK technical
Jan 08, 2013 MPI question technical
Jan 09, 2013 Re: Minimisation problem... technical
Jan 18, 2013 Re: how to model blood volume change during and after hemodialysis? technical
Feb 12, 2013 Re: Additive residual error technical
Feb 18, 2013 Re: Simulation settgin in the precence of Shrinkage in PK when doing PK-PD analysis technical
Feb 19, 2013 Re: RE: Simulation settgin in the precence of Shrinkage in PK when doing PK-PD analysis technical
Mar 07, 2013 QuantPharm workshops for 2013 event
Mar 29, 2013 Re: ACoP 2013 - Don't Dilly Dally event
Apr 03, 2013 Re: seeking help on NONMEM code for simulation of Repeated Time to Event Data technical
Apr 04, 2013 Re: seeking help on NONMEM code for simulation of Repeated Time to Event Data technical
Apr 10, 2013 PAGE Satellite Workshop: Modeling Biologics with Target-Mediated Disposition event
May 07, 2013 Re: Mixture model simulation technical
May 26, 2013 Re: MU referencing technical
Jul 24, 2013 Re: PKPD-simulations technical
Jul 25, 2013 Re: if-the-statement for 3 class categorical covariate technical
Aug 12, 2013 Re: Reducing ETAs actually decreased OFV technical
Aug 12, 2013 Workshop on PK and PD Modeling Biologics in Baltimore, MD event
Aug 25, 2013 Re: Reducing ETAs actually decreased OFV technical
Aug 26, 2013 Re: Reducing ETAs actually decreased OFV technical
Aug 26, 2013 Workshop on PK and PD Modeling Biologics in Baltimore, MD event
Sep 16, 2013 Re: Covariate model building with SAEM andIMP technical
Sep 19, 2013 Re: Parameter Estimation in IF Conditioning Statement technical
Sep 19, 2013 Re: AW: Re: Parameter Estimation in IF Conditioning Statement technical
Sep 20, 2013 Re: AW: Re: Parameter Estimation in IF Conditioning Statement technical
Oct 08, 2013 Re: Change of NSIG or R matrix technical
Oct 08, 2013 Re: Simulations with OMEGA BLOCK technical
Oct 08, 2013 Re: PopED and SSE comparison technical
Oct 17, 2013 Re: IV and SC injection technical
Oct 22, 2013 Re: Change of NSIG or R matrix technical
Nov 03, 2013 Re: 2 cmax after a single SC dose technical
Nov 22, 2013 Re: Getting rid of correlation issues between CL and volume parameters technical
Nov 22, 2013 Re: Getting rid of correlation issues between CL and volume parameters technical
Nov 26, 2013 Re: Getting rid of correlation issues between CL and volume parameters technical
Jan 05, 2014 Re: Question: FO VS. FOCE VS. FOCE-INTER in POSTHOC 2014-1-3 technical
Jan 06, 2014 Re: Question: FO VS. FOCE VS. FOCE-INTER in POSTHOC 2014-1-3 technical
Feb 17, 2014 Re: integrated parent-metabolite PK model from sequential iv and oral doses of parent drug technical
Mar 05, 2014 Modeling of Biologics/Nonmem workshops April 8-11 event
Mar 21, 2014 Re: Weighting observations technical
Jul 11, 2014 Parallel Nonmem of Intel Xeon Phi Coprocessor technical
Aug 26, 2014 Re: [mixture models] assign individual to a subpopulation every dosing record? technical
Aug 27, 2014 Re: [mixture models] assign individual to a subpopulation every dosing record? technical
Sep 04, 2014 Re: Inflated random effects showed by VPC technical
Sep 08, 2014 parallel computing technical
Sep 09, 2014 Re: parallel computing technical
Nov 19, 2014 Re: Genotype data missing in some individuals technical
Feb 06, 2015 Re: Choosing variabilities technical
Feb 12, 2015 Re: RE: Standard errors of estimates for strictly positive parameters technical
Feb 12, 2015 Re: RE: Standard errors of estimates for strictly positive parameters technical
Mar 31, 2015 Re: Turning off IEEE floating point messages for new gfortran compilers technical
Mar 31, 2015 Re: Turning off IEEE floating point messages for new gfortran compilers technical
Apr 20, 2015 Re: variation of time values in output data technical
Jun 12, 2015 Re: Population PKPD using hair drug concentration technical
Jun 21, 2015 Modeling of Biologics Workshops: October 8, 2015 (at ACoP-6) event
Jun 23, 2015 Re: Simulo: a new service for drug trial simulation technical
Jul 03, 2015 Re: Zeros in OMEGA matrix technical
Jul 27, 2015 Re: Is it reasonable to add covarite to PD parameters kin or kout? technical
Jul 27, 2015 Re: Is it reasonable to add covarite to PD parameters kin or kout? technical
Aug 24, 2015 TMDD Workshop at ACOP-2015 event
Sep 05, 2015 Re: RE: Estimation of ke0 from raw data technical
Sep 08, 2015 Re: Is �DOSE=0� accepted by NONMEM? technical
Sep 08, 2015 Re: Is “DOSE=0” accepted by NONMEM? technical
Sep 10, 2015 Re: FW: Question of fitting population PK model using summary statistics of data instead of raw data technical
Sep 10, 2015 Re: FW: Question of fitting population PK model using summary statistics of data instead of raw data technical
Sep 11, 2015 Re: FW: FW: Question of fitting population PK model using summary statistics of data instead of raw data technical
Sep 11, 2015 Re: FW: FW: Question of fitting population PK model using summary statistics of data instead of raw data technical
Sep 23, 2015 Re: Imputation of multiple categorical covariates with missing data technical
Sep 23, 2015 Re: Imputation of multiple categorical covariates with missing data technical
Sep 27, 2015 Re: Error in table step technical
Oct 29, 2015 Re: NM-Tran infer data are single subject when perform simulation technical
Oct 29, 2015 Re: NM-Tran infer data are single subject when perform simulation technical
Nov 06, 2015 Box-Cox tranformation technical
Nov 21, 2015 Re: PRED for BLQ-like observations technical
Dec 10, 2015 Re: Error in LSODA: Code -5 technical
Dec 10, 2015 Re: Confidence interval calculations technical
Dec 11, 2015 Re: Error in LSODA: Code -5 technical
Dec 13, 2015 West Coast Workshop: Modeling Biologics with Target-Mediated Disposition event
Dec 13, 2015 West Coast Workshop: Modeling Biologics with Target-Mediated Disposition event
Dec 22, 2015 Re: Problem of STS in NONMEM technical
Jan 06, 2016 Re: unbalanced data set technical
Feb 03, 2016 Workshop on modeling of biologics: first time in the Bay Area (SFO) event
Apr 22, 2016 Re: Rounding (error=134) or obj. func. is infinite (error=136) technical
Apr 23, 2016 Re: Rounding (error=134) or obj. func. is infinite (error=136) technical
Jun 02, 2016 Re: Additive plus proportional error model for log-transform data technical
Jun 02, 2016 Re: Additive plus proportional error model for log-transform data technical
Sep 02, 2016 Re: Simultaneous pk model of 2 drugs technical
Sep 19, 2016 Re: IMP and parallelisation technical
Sep 20, 2016 Re: AW: IMP and parallelisation technical
Sep 27, 2016 Re: residual variability technical
Sep 29, 2016 Re: residual variability technical
Jan 05, 2017 Re: A problem with numerical integration difficulties for a complex model technical
Jan 05, 2017 Re: A problem with numerical integration difficulties for a complex model technical
Jan 16, 2017 Re: Objective function technical
Feb 15, 2017 Re: FW: Parameter uncertainty technical
Mar 09, 2017 Re: RE: question about random seed for simulation technical
Apr 24, 2017 Re: Modelling IV and IP simultaneously technical
Jul 31, 2017 Intel AVX and AVX2 set of instructions for compiling Nonmem technical
Aug 24, 2017 Re: Use of ACCEPT in $DATA technical
Dec 19, 2017 West Coast Workshop: Modeling Biologics with Target-Mediated Disposition event
Dec 19, 2017 West Coast Workshop: Modeling Biologics with Target-Mediated Disposition event
Dec 20, 2017 Re: Numerical integreaion and change in clearance over time technical
Jan 23, 2018 Re: CMT Remapping technical
Feb 02, 2018 Re: unidentified cause of "F OR DERIVATIVE RETURNED BY PRED IS INFINITE (INF) OR NOT A NUMBER (NAN)" technical
Feb 02, 2018 Re: unidentified cause of "F OR DERIVATIVE RETURNED BY PRED IS INFINITE (INF) OR NOT A NUMBER (NAN)" technical
Mar 14, 2018 Re: Time-Varying Bioavailability on Zero-Order Infusion technical
Apr 06, 2018 Re: ETAs & SIGMA in external validation technical
May 03, 2018 Cmax/Tmax in the DES block technical
May 04, 2018 Cmax/Tmax in the DES block technical
May 05, 2018 Re: Cmax/Tmax in the DES block technical
Jul 10, 2018 East Coast Workshop: Modeling Biologics with Target-Mediated Disposition, September 14th 2018 event
Jul 10, 2018 East Coast Workshop: Modeling Biologics with Target-Mediated Disposition, September 14th 2018 event
Aug 23, 2018 Re: IMPMAP behavior question technical
Oct 01, 2018 Re: NONMEM 2 Compartment Zero Order Absorption technical
Nov 16, 2018 Re: $ERROR block TMDD technical
Nov 20, 2018 Re: Potential bug in NM 7.3 and 7.4.2 technical
Nov 21, 2018 Re: Potential bug in NM 7.3 and 7.4.2 technical
Feb 04, 2019 Re: Why should we avoid using micro rate constants? technical
Feb 13, 2019 Re: OFV or Diagnostic Plot ?? Which one rules... technical
Feb 22, 2019 Re: Strange PRED prediction in SAEM with M3 BQL handling technical
Mar 05, 2019 Re: SAEM with MAXEVAL= 0 possible? or any work around? technical
Apr 22, 2019 Re: Simulation error technical
Apr 23, 2019 Re: Help with a PK code technical
Jul 31, 2019 Re: ERROR NUMBER OF BASIC PK PARAMETERS EXCEEDS VALUE OF NPARAM IN $MODEL technical
Jul 31, 2019 Re: ERROR NUMBER OF BASIC PK PARAMETERS EXCEEDS VALUE OF NPARAM IN $MODEL technical
Aug 01, 2019 Re: $ERROR block for feedback mechanism technical
Aug 13, 2019 Re: NONMEM Unexpected result with the $LEVEL statement technical
Sep 28, 2019 Re: Is there an easy way to get PRED from NONMEM when objective function instead of error model is specified? technical
Sep 28, 2019 Re: Is there an easy way to get PRED from NONMEM when objective function instead of error model is specified? technical
Oct 24, 2019 Re: Algebraic equations and IOV technical
Oct 29, 2019 Re: RE: Stepwise covariate modeling technical
Nov 08, 2019 Re: cumulative AUC technical
Nov 18, 2019 AMD vs Intel technical
Nov 19, 2019 Re: AMD vs Intel technical
Nov 20, 2019 Re: AMD vs Intel technical
Dec 08, 2019 Re: Final Parameter is same as initial parameter - integrated PK-PD models with two PD parameters technical
Feb 11, 2020 Re: Time-varying bioavailability and reproducibility in NONMEM analysis technical
Feb 12, 2020 Re: Time-varying bioavailability and reproducibility in NONMEM analysis technical
Jun 02, 2020 Re: Negative concentration from simulation technical
Aug 05, 2020 Re: Variability on infusion duration technical
Aug 12, 2020 Re: Random effect on ALAG between dose events technical
Sep 23, 2020 Re: OFV from different algorithms technical
Sep 24, 2020 Re: OFV from different algorithms technical
Dec 15, 2020 Re: Variability in Dosing Rate (and amount) technical
Feb 12, 2021 Re: Two way crossover technical
Apr 28, 2021 Re: Assessment of elimination half life of mAb technical
Apr 29, 2021 Re: Assessment of elimination half life of mAb technical
Jul 19, 2021 Re: computation of exponential error model for RUV technical
Jul 22, 2021 Re: Help with ODEs for a time varying clearance technical
Aug 06, 2021 Re: Time-varying input/flexibility to change input rate on the fly technical
Aug 06, 2021 Re: Time-varying input/flexibility to change input rate on the fly technical
Jul 17, 2022 unofficial survey: COVID at PAGE event
Jul 24, 2022 Update for unofficial survey: COVID at PAGE event
Aug 01, 2022 Final count for unofficial survey: COVID at PAGE event
Aug 17, 2022 Re: Problems when implementing M3 for BLQs technical
Sep 13, 2022 Re: flip-flop without absorption information? technical
Sep 16, 2022 Continuation of "What does "Second Error signal from LINV1PD: 129" technical
Sep 17, 2022 Re: [EXTERNAL] Continuation of "What does "Second Error signal from LINV1PD: 129" technical
Nov 30, 2022 Re: Condition number technical
Dec 17, 2022 Re: Simulate with parameter uncertainty technical
Dec 20, 2022 Re: Off diagonals in $TABLE technical
Jan 04, 2023 Re: Modeling for non-Normal distributions of individual parameters technical
May 26, 2023 Re: Problem with estimating sigma when using M3 method technical
May 30, 2023 Re: Problem with estimating sigma when using M3 method technical
May 31, 2023 Re: Problem with estimating sigma when using M3 method technical
Jun 19, 2023 Re: BQL simulations technical
Jul 06, 2023 Re: Specify full OMEGA matrix for simulation technical
Oct 09, 2023 Re: Simulate with ETAs from .phi and residual variability technical
Jan 26, 2024 Re: NONMEM Error on SAEM but not FOCEI technical
Mar 05, 2024 Re: Warning obtained while running SAEM technical
Mar 24, 2024 Re: ERROR -M2 vpc run technical
Apr 15, 2024 Re: LSODA error code -5 technical
May 11, 2024 Re: %RSE for IIV when expressed as %CV instead of variance technical
Jul 11, 2024 Re: An error when running a plasma/urine model in SS. Would you please help? technical
Jul 15, 2024 Re: An error when running a plasma/urine model in SS. Would you please help? technical
Jul 27, 2024 Re: Obtaining RSE% technical
Aug 16, 2024 Re: Difference between FOCEI and SAEM technical
Sep 18, 2024 Re: Re: 0PRED EXIT CODE = 1 technical
Dec 05, 2024 Re: NONMEM error technical
Jan 11, 2025 Re: MU referencing and time-varying covariates technical
Jan 11, 2025 Re: [EXTERNAL] Re: MU referencing and time-varying covariates technical
Feb 23, 2025 Re: All PRED=0 after removing IIV technical
Dec 08, 2025 Re: Multiple race coding technical
Feb 23, 2026 Re: Logit transformation and covariate model technical
Mar 16, 2026 Re: $PRIOR and $MIX for ABCB1 3435 and 2677 data technical