Re: [R] Ability Estimates for Repeated Measurements in the eRm Package

2009-09-03 Thread Tessari
. -Original Message- From: r-help-boun...@r-project.org [mailto:r-help-boun...@r-project.org] On Behalf Of Tessari Sent: Wednesday, September 02, 2009 11:50 AM To: r-help@r-project.org Subject: [R] Ability Estimates for Repeated Measurements in the eRm Package Dear R Users, I am

[R] Ability Estimates for Repeated Measurements in the eRm Package

2009-09-02 Thread Tessari
Dear R Users, I am using the LLTM and the LRSM functions in the eRm package to do repeated measurements where there are 2 measurement points for a list of 10 items. I am trying to get ability estimates but am having trouble. I don't think that it is appropriate to use the pmat function since

Re: [R] Ability Estimates for Repeated Measurements in the eRm Package

2009-09-02 Thread Doran, Harold
, September 02, 2009 11:50 AM To: r-help@r-project.org Subject: [R] Ability Estimates for Repeated Measurements in the eRm Package Dear R Users, I am using the LLTM and the LRSM functions in the eRm package to do repeated measurements where there are 2 measurement points for a list of 10