Vladimir Piotrovskij

138 messages, 1995–2006

Date Subject
Jun 16, 1995 FO or FOCE? technical
Jul 29, 1996 Re: PK-PD, using 2 step approach technical
Jun 13, 1997 Gender as a covariate technical
Jan 14, 1998 Survival analysis in NONMEM technical
Jan 15, 1998 RE: Survival analysis in NONMEM technical
Mar 11, 1998 RE: Covariate Model Selection technical
Mar 12, 1998 RE: Covariate Model Selection II technical
Apr 02, 1998 Parameterization differences technical
Sep 25, 1998 Box-Cox transformation in NONMEM technical
Oct 30, 1998 RE: Negative objective functions technical
Nov 16, 1998 RE: Database? technical
Dec 03, 1998 RE: minimum objective function technical
Dec 07, 1998 RE: How to calculate confidential interval of a plasma conc. curve technical
Feb 02, 1999 RE: PREDvsDV technical
Feb 03, 1999 Validation technical
Mar 03, 1999 RE: offsets technical
May 27, 1999 RE: Question: Number of ETA and EPS in statistic significance technical
Jun 01, 1999 RE: Modeling of inter study variability (ISV) as a third random effect level technical
Jul 02, 1999 Steady-state equation technical
Aug 02, 1999 RE: Analysis of sparse data technical
Sep 13, 1999 RE: SPlus technical
Sep 14, 1999 RE: Fitting 2 compartment first-order input PK/PD model. technical
Nov 04, 1999 RE: ADVAN3 TRANS3 Problem technical
Nov 16, 1999 Covariate Models Using Weight technical
Nov 16, 1999 RE: Error (72) technical
Nov 17, 1999 RE: Covariate Models Using Weight technical
Nov 17, 1999 RE: Covariate Models Using Weight technical
Nov 19, 1999 RE: Covariate Models Using Weight technical
Nov 21, 1999 RE: Covariate Models Using Weight technical
Nov 23, 1999 RE: Covariate Models Using Weight technical
Nov 23, 1999 RE: Covariate Models Using Weight technical
Nov 23, 1999 RE: IOV effects technical
Dec 17, 1999 RE: metabolite modeling technical
Apr 05, 2000 RE: INITIAL OBJ FUNCTION ERROR technical
Apr 25, 2000 RE: Model building algorithm technical
Apr 28, 2000 RE: Model building algorithm technical
Jun 23, 2000 RE: weighted residuals technical
Aug 10, 2000 One more way to approach the problem of interindividually varying SIGMA technical
Sep 18, 2000 MS Fortran PowerStation v. 4 under Win 2000 technical
Sep 20, 2000 An approach for imputing missing independent variable (covariate) technical
Sep 21, 2000 RE: An approach for imputing missing independent variable (covariate) technical
Sep 21, 2000 RE: An approach for imputing missing independent variable (covariate) technical
Sep 22, 2000 RE: An approach for imputing missing independent variable (covariate) technical
Sep 29, 2000 RE: Bayesian estimation technical
Oct 05, 2000 RE: Bayesian estimation: a specific case technical
Oct 06, 2000 RE: PD initialization technical
Oct 09, 2000 RE: PD initialization technical
Oct 09, 2000 RE: PD initialization technical
Nov 14, 2000 RE: 95% CI of paramter estimate technical
Nov 15, 2000 RE: msg from atul technical
Nov 21, 2000 RE: 95% CI of paramter estimate technical
Nov 21, 2000 Stepwise regression technical
Nov 28, 2000 RE: Rate constants technical
Dec 11, 2000 RE: Stepwise regression technical
Dec 11, 2000 RE: Rate constants..are dead? technical
Jan 23, 2001 RE: Covariate: statistical vs clinical technical
Feb 06, 2001 RE: Help please... technical
Feb 07, 2001 RE: Reading NONMEM output into S-Plus technical
Feb 27, 2001 RE: FO VS FOCE VS FOCE WITH INTERACTION technical
Mar 23, 2001 RE: NM performance on AMD athlon vs. Intel P4 (or P3) technical
Mar 26, 2001 RE: $SIM superproblem technical
May 07, 2001 RE: NONMEM priority on windows NT/2000 technical
May 08, 2001 RE: NONMEM priority on windows NT/2000 technical
May 15, 2001 RE: Autoinduction technical
May 16, 2001 RE: Autoinduction technical
May 18, 2001 RE: Mixture model at the IOV level? technical
May 28, 2001 RE: Slow Gradient Method. technical
May 30, 2001 RE: Slow Gradient Method. technical
Jul 09, 2001 RE: Centering (Impact on SE) technical
Jul 09, 2001 RE: Centering (Impact on SE) technical
Aug 01, 2001 RE: Error message 72 technical
Aug 16, 2001 RE: Help: Non-positive semi-definite message technical
Aug 16, 2001 RE: Help: Non-positive semi-definite message technical
Aug 16, 2001 RE: Help: Non-positive semi-definite message technical
Aug 16, 2001 RE: S-matrix and RNGs technical
Aug 28, 2001 RE: Help: oral and ig bioavailability by NONMEM technical
Sep 17, 2001 RE: logistic regression technical
Sep 18, 2001 RE: 1 binary response/person technical
Sep 20, 2001 RE: LOG.. technical
Sep 26, 2001 RE: Feed-back PK-PD models technical
Oct 15, 2001 RE: Pharmacokinetics, allometry and flat earth theories technical
Oct 15, 2001 RE: Sequential absorption processes with lag time technical
Nov 05, 2001 RE: Problem (bug ?) with RATE and F1 in $PK technical
Jan 03, 2002 RE: local minimum technical
Jan 11, 2002 Integrator option technical
Jan 30, 2002 RE: error models log domain technical
Feb 11, 2002 RE: Error: Initial Values for ATOL / LSODI1 CODE 205 ? technical
Mar 19, 2002 RE: Concentration dependent volume of distribution technical
Mar 20, 2002 RE: Model Validation technical
Apr 03, 2002 RE: Significance? technical
Apr 04, 2002 RE: Significance? technical
Apr 05, 2002 RE: Significance? technical
Apr 21, 2002 RE: covariate significance technical
Jun 03, 2002 RE: Enterohepatic Circulation!!! technical
Jun 10, 2002 RE: Enterohepatic Circulation!!! technical
Jun 11, 2002 RE: Enterohepatic Circulation!!! technical
Jun 19, 2002 FW: [S] The effect of default values on statistical results technical
Jul 22, 2002 RE: Changing signifocant digits technical
Aug 22, 2002 Imputation of missing sex covariate technical
Jan 30, 2003 RE: FO vs FOCE (Any test?) technical
Feb 07, 2003 RE: model for OMEGA and SIGMA technical
Feb 12, 2003 RE: avoiding when ETA()=0 technical
Feb 13, 2003 RE: avoiding when ETA()=0 technical
Mar 06, 2003 RE: large CV technical
Apr 01, 2003 RE: Describing variability technical
Apr 03, 2003 RE: Describing variability technical
Apr 03, 2003 Date:Thu, 3 Apr 2003 09:46:19 +0200 technical
Apr 09, 2003 RE: Log-transformation technical
Apr 09, 2003 RE: Log-transformation technical
Apr 22, 2003 RE: Coding for Bioavailability technical
May 26, 2003 RE: Poor PRED estimates technical
Jun 02, 2003 RE: Obj. function is infinite (error=136) technical
Jun 06, 2003 RE: DV simulation problem technical
Jun 08, 2003 RE: DV simulation problem technical
Jun 25, 2003 RACE as a covariate technical
Jun 30, 2003 RE: Hessians of posterior density technical
Jul 24, 2003 RE: t-distribution in NONMEM? technical
Jul 25, 2003 RE: t-distribution =scaled mixture of normal distributions technical
Aug 06, 2003 RE: Non-physiological parameters at lowest OBJ technical
Nov 24, 2003 RE: interpretation of WRES of logarithmically transformed data technical
Nov 25, 2003 RE: interpretation of WRES of logarithmically transformed data technical
Jan 06, 2004 RE: ERROR: ABSORPTION LAG IS GREATER THAN OR EQUAL TO STEADY STATE DOSE INTERVAL technical
Jan 13, 2004 RE: Fixed elements within a block covariance matrix technical
Feb 12, 2004 Re: some issues about NONMEM technical
Feb 17, 2004 Implementation of interindividual variability in residual variance technical
Feb 18, 2004 Re: Implementation of interindividual variability in residual variance technical
Feb 18, 2004 Re: Implementation of interindividual variability in residual variance technical
Feb 18, 2004 Re: Implementation of interindividual variability in residual variance technical
Mar 22, 2004 RE: Estimation Methods-HELP!! technical
Aug 24, 2004 RE: Decrease in OFV with a fixed effect technical
Apr 15, 2005 RE: Residuals and INTERACTION for simultaneous PK/PD, impos sible? technical
May 17, 2005 RE: Probabilistic model technical
May 17, 2005 RE: Probabilistic model technical
Jun 20, 2005 RE: Compaq Digital Fortran no more technical
Nov 04, 2005 RE: DOS emulation window issue technical
Nov 16, 2005 RE: Incorporating duplicate assays technical
Nov 18, 2005 RE: Incorporating duplicate assays technical
Apr 27, 2006 RE: Placebo in indirect PD models technical