From kimai at Princeton.EDU Tue Oct 8 22:58:59 2013 From: kimai at Princeton.EDU (Kosuke Imai) Date: Tue, 8 Oct 2013 20:58:59 +0000 Subject: [Mediation-information] Mediation in R In-Reply-To: <2179B701E60CA84493A26BB9D4A1556F558404CC@PHSX10MB11.partners.org> References: <2179B701E60CA84493A26BB9D4A1556F558404CC@PHSX10MB11.partners.org> Message-ID: It sounds like you want to do the moderated mediation: see Section 3.2 of this paper http://imai.princeton.edu/research/files/mediationR2.pdf Best, Kosuke --------------------------------------------------------- Kosuke Imai Office: Corwin Hall 036 Professor Phone: 609-258-6601 Department of Politics Fax: 609-258-1110 Princeton University Email: kimai at Princeton.Edu Princeton, NJ 08544-1012 http://imai.princeton.edu --------------------------------------------------------- On Oct 7, 2013, at 9:31 AM, "Schoenfeld, David Alan,Ph.D.,Biostatistics" > wrote: I am doing a mediation meta-analysis and I am trying to use your software. The problem is that I have several different studies with somewhat different treatments that all affect the same mediator, and the same outcome but affect them differently. A reasonable model would have to contain a treatment-study interaction. I can't figure out how to do that with your R package. I am trying to estimate the Proportion Mediated and associated p-value and confidence intervals, I would appreciate any help you would give. Thanks The information in this e-mail is intended only for the person to whom it is addressed. If you believe this e-mail was sent to you in error and the e-mail contains patient information, please contact the Partners Compliance HelpLine at http://www.partners.org/complianceline . If the e-mail was sent to you in error but does not contain patient information, please contact the sender and properly dispose of the e-mail. -------------- next part -------------- An HTML attachment was scrubbed... URL: From kimai at Princeton.EDU Thu Oct 24 05:34:07 2013 From: kimai at Princeton.EDU (Kosuke Imai) Date: Thu, 24 Oct 2013 03:34:07 +0000 Subject: [Mediation-information] Mediation in R In-Reply-To: References:

Message-ID: <273CD2A8-5414-4960-B27A-3ADD6BA0DC79@princeton.edu> Unfortunately, no. However, you can follow our algorithm if you are able to program it. Best, Kosuke --------------------------------------------------------- Kosuke Imai Office: Corwin Hall 036 Professor Phone: 609-258-6601 Department of Politics Fax: 609-258-1110 Princeton University Email: kimai at Princeton.Edu Princeton, NJ 08544-1012 http://imai.princeton.edu --------------------------------------------------------- On Oct 23, 2013, at 10:28 PM, Eduardo Costa > wrote: Dear Dr. Imai, is there a way to run a survival analysis with random effects in your mediation package? Thanks, Eduardo Dr Eduardo Leite Vieira Costa M?dico da UTI Respirat?ria HC FMUSP Disciplina de Pneumologia HC-InCor Av Dr. En?as de Carvalho Aguiar, 45 6 andar, sala 6031 CEP 05403000 S?o Paulo, SP, Brasil Tel: 55-11-2661-7843 Fax: 55-11-3061-2492 Dr. Eduardo Leite Vieira Costa Attending Physician Respiratory ICU, University of Sao Paulo Av Dr. En?as de Carvalho Aguiar, 45 6th floor, room 6031 Zipcode 05403000 De: Kosuke Imai [mailto:kimai at Princeton.EDU] Enviada em: Tuesday, October 08, 2013 5:59 PM Para: Schoenfeld, David Alan,Ph.D.,Biostatistics Cc: Marcelo Amato; mediation-information at r-forge.wu-wien.ac.at Assunto: Re: Mediation in R It sounds like you want to do the moderated mediation: see Section 3.2 of this paper http://imai.princeton.edu/research/files/mediationR2.pdf Best, Kosuke --------------------------------------------------------- Kosuke Imai Office: Corwin Hall 036 Professor Phone: 609-258-6601 Department of Politics Fax: 609-258-1110 Princeton University Email: kimai at Princeton.Edu Princeton, NJ 08544-1012 http://imai.princeton.edu --------------------------------------------------------- On Oct 7, 2013, at 9:31 AM, "Schoenfeld, David Alan,Ph.D.,Biostatistics" > wrote: I am doing a mediation meta-analysis and I am trying to use your software. The problem is that I have several different studies with somewhat different treatments that all affect the same mediator, and the same outcome but affect them differently. A reasonable model would have to contain a treatment-study interaction. I can't figure out how to do that with your R package. I am trying to estimate the Proportion Mediated and associated p-value and confidence intervals, I would appreciate any help you would give. Thanks The information in this e-mail is intended only for the person to whom it is addressed. If you believe this e-mail was sent to you in error and the e-mail contains patient information, please contact the Partners Compliance HelpLine at http://www.partners.org/complianceline . If the e-mail was sent to you in error but does not contain patient information, please contact the sender and properly dispose of the e-mail. -------------- next part -------------- An HTML attachment was scrubbed... URL: