Kenneth Kowalski

143 messages, 1994–2022

Date Subject
Feb 17, 1994 Unknown Dosing Histories technical
Mar 07, 2002 RE: Error message.. technical
Mar 13, 2002 RE: NONMEM vs NLMIXED technical
Mar 22, 2002 RE: Approximate effect compartment technical
Mar 22, 2002 RE: Approximate effect compartment technical
Apr 29, 2002 RE: When to do transformation of data? technical
Aug 23, 2002 RE: Imputation of missing sex covariate technical
Aug 26, 2002 RE: Imputation of missing sex covariate technical
Oct 02, 2002 RE: OMEGA HAS A NONZERO BLOCK technical
Oct 03, 2002 RE: 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 04, 2002 RE: FW: OMEGA HAS A NONZERO BLOCK technical
Oct 07, 2002 RE: OMEGA HAS A NONZERO BLOCK technical
Oct 07, 2002 RE: OMEGA HAS A NONZERO BLOCK technical
Oct 07, 2002 RE: OMEGA HAS A NONZERO BLOCK technical
Oct 07, 2002 RE: OMEGA HAS A NONZERO BLOCK technical
Oct 07, 2002 RE: OMEGA HAS A NONZERO BLOCK technical
Feb 14, 2003 RE: simulated negative concentration technical
Mar 05, 2003 RE: large CV technical
Mar 10, 2003 RE: Covariate effect technical
Apr 01, 2003 RE: Describing variability technical
Apr 01, 2003 RE: Describing variability 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 02, 2003 RE: Describing variability technical
Apr 02, 2003 RE: Describing variability technical
Apr 04, 2003 RE: Log-transformation technical
Apr 09, 2003 RE: Log-transformation technical
Apr 09, 2003 RE: Log-transformation technical
May 09, 2003 RE: from Ken Kowalski re: model diagnostics technical
Jun 02, 2003 RE: Obj. function is infinite (error=136) technical
Jul 18, 2003 RE: Re: FO vs FOCE vs LAPLACIAN technical
Jul 22, 2003 RE: Re: FO vs FOCE vs LAPLACIAN technical
Aug 05, 2003 RE: Non-physiological parameters at lowest OBJ technical
Aug 06, 2003 RE: Non-physiological parameters at lowest OBJ technical
Aug 07, 2003 RE: TVKa>TVKe or Ka>Ke? technical
Aug 08, 2003 RE: TVKa>TVKe or Ka>Ke? technical
Aug 11, 2003 RE: Ka>Ke? technical
Aug 19, 2003 RE: increasing ETA estimates with adding full block technical
Sep 25, 2003 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 technical
Sep 26, 2003 RE: order of covariate inclusion -> avoiding stepwise approaches -> abandoning exploratory analysis? 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 approaches -> abandoning exploratory analysis? technical
Sep 29, 2003 RE: order of covariate inclusion -> avoiding stepwise a pproaches -> abandoning exploratory analysis? technical
Oct 17, 2003 RE: Re: Initial estimates query technical
Oct 23, 2003 Re: LLR test, AIC, BIC technical
Nov 21, 2003 RE: interpretation of WRES of logarithmically transformed data technical
Jan 13, 2004 RE: Fixed elements within a block covariance matrix technical
Jan 27, 2004 RE: simulation technical
Jun 02, 2004 RE: $OMEGA blocks and log-likelihood profiling technical
Jun 02, 2004 RE: $OMEGA blocks and log-likelihood profiling technical
Jun 03, 2004 RE: $OMEGA blocks and log-likelihood profiling technical
Jun 08, 2004 RE: $OMEGA blocks and log-likelihood profiling technical
Jun 08, 2004 RE: $OMEGA blocks and log-likelihood profiling technical
Jun 09, 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 11, 2004 RE: How sparse is too sparse? technical
Jun 29, 2004 RE: $OMEGA blocks and log-likelihood profiling technical
Jul 02, 2004 RE: $OMEGA blocks and log-likelihood profiling technical
Aug 11, 2004 RE: COEFFICIENT MATRIX IS ALGORITHMICALLY SINGULAR technical
Aug 23, 2004 RE: Decrease in OFV with a fixed effect technical
Sep 21, 2004 RE: BOV technical
Sep 21, 2004 RE: BOV technical
Sep 22, 2004 RE: BOV technical
Sep 22, 2004 RE: BOV technical
Sep 22, 2004 RE: BOV technical
Sep 23, 2004 RE: BOV technical
Sep 23, 2004 RE: BOV technical
Sep 23, 2004 RE: BOV technical
Sep 24, 2004 RE: BOV technical
Dec 07, 2004 RE: posthoc step technical
Dec 08, 2004 RE: posthoc step technical
Apr 04, 2005 RE: population size and confidence power technical
May 13, 2005 RE: Probabilistic model technical
Jun 15, 2005 RE: Simulation vs. actual data technical
Jul 05, 2005 RE: Simulation vs. actual data technical
Jul 14, 2005 RE: Simulation vs. actual data technical
Jul 15, 2005 RE: Simulation vs. actual data technical
Jul 16, 2005 RE: Simulation vs. actual data technical
Aug 10, 2005 RE: Simulating different populations technical
Oct 06, 2005 Re: non-linear PK technical
Jan 19, 2006 RE: covariate selection question technical
Jan 20, 2006 RE: covariate selection question technical
Sep 27, 2006 RE: WRES AND OUTLIER IDENTIFICATION/EXCLUSION technical
Sep 28, 2006 RE: WRES AND OUTLIER IDENTIFICATION/EXCLUSION technical
Sep 29, 2006 RE: WRES AND OUTLIER IDENTIFICATION/EXCLUSION technical
Oct 02, 2006 RE: WRES AND OUTLIER IDENTIFICATION/EXCLUSION technical
Oct 02, 2006 RE: WRES AND OUTLIER IDENTIFICATION/EXCLUSION technical
Oct 03, 2006 RE: WRES AND OUTLIER IDENTIFICATION/EXCLUSION technical
Oct 03, 2006 RE: WRES AND OUTLIER IDENTIFICATION/EXCLUSION technical
Feb 15, 2008 RE: IIV on %CV-Scale - Standard Error (SE) technical
Apr 22, 2008 RE: truncation & simulation technical
Apr 23, 2008 RE: truncation & simulation technical
May 23, 2008 RE: Visual predictive check! technical
Nov 13, 2008 RE: NONMEM message technical
Nov 14, 2008 RE: Very small P-Value for ETABAR technical
Nov 21, 2008 RE: Models that abort before convergence Addendum technical
Dec 09, 2008 RE: FO vs FOCE, sequential vs simultaneous technical
Apr 21, 2009 RE: OMEGA selection technical
May 12, 2009 WAM v1.01 now available on NONMEM repository news
Aug 25, 2009 RE: What does convergence/covariance show? technical
Aug 26, 2009 RE: What does convergence/covariance show? technical
Feb 05, 2010 RE: Dilemma with PPK parameters technical
Mar 22, 2010 Modeling Webinar Announcement event
Aug 11, 2010 RE: Baseline as a covariate technical
Aug 12, 2010 RE: Effect of placebo or drug to the baseline value technical
Nov 01, 2010 RE: Rational of using IOV technical
Dec 19, 2010 RE: Negative OFV number technical
Jan 06, 2011 RE: outsourcing PK/PD analysis - help wanted job
Mar 01, 2011 RE: [Fwd: occasions during pregnancy] technical
Sep 21, 2011 RE: analysis of non-positive DV technical
Feb 06, 2012 RE: medians of the simulation in VPC are systematically below the medians of the observations when the model fit looks fine. technical
May 24, 2012 RE: Successful minimization and covariance technical
Jun 12, 2012 RE: omega matrix - friendly suggestion technical
Nov 08, 2012 RE: RE: Proper way to handle the pre-first dose PK observation for non-endogenous drug technical
Feb 20, 2013 RE: RE: Simulation settgin in the precence of Shrinkage in PK when doing PK-PD analysis technical
Feb 21, 2013 RE: RE: Simulation settgin in the precence of Shrinkage in PK when doing PK-PD analysis technical
Mar 29, 2014 RE: NONMEM vs SPSS technical
Sep 04, 2014 RE: Inflated random effects showed by VPC technical
Sep 25, 2014 RE: OMEGA matrix technical
Sep 30, 2014 RE: OMEGA matrix technical
Oct 01, 2014 RE: OMEGA matrix technical
Oct 02, 2014 RE: OMEGA matrix technical
Jun 08, 2015 RE: Fwd: Should we generate VPCs with or without uncertainty? technical
Nov 06, 2015 Re: eigenvalues technical
May 23, 2017 GoFundMe Site for the Hutmacher Family technical
May 25, 2017 Help for the Hutmacher Family technical
May 25, 2017 GoFundMe Site for the Hutmacher Family technical
Mar 14, 2019 RE: VPCs confidence intervals? technical
Jun 10, 2019 ACoP10 Post-Meeting Workshop: Integration of PHM and Stat Analyses Using CTS, October 24, 2019 event
Jun 02, 2020 RE: Negative concentration from simulation technical
Mar 22, 2021 RE: Statistical power computation based on the wald test technical
Mar 24, 2021 RE: Statistical power of covariate inclusion in popPK models technical
Mar 24, 2021 RE: [EXTERNAL] RE: Statistical power computation based on the wald test technical
Nov 29, 2022 RE: Condition number technical
Nov 30, 2022 RE: Condition number technical
Dec 01, 2022 RE: Condition number technical