Re: [R] Use of survreg.distributions

2008-04-26 Thread COREY SPARKS
of Demography and Organization Studies University of Texas San Antonio One UTSA Circle San Antonio, TX 78249 email:[EMAIL PROTECTED] Date: Fri, 25 Apr 2008 10:02:21 -0700 (PDT) From: Abdus Sattar [EMAIL PROTECTED] Subject: Re: [R] Use of survreg.distributions To: Terry Therneau [EMAIL PROTECTED] Cc: r

Re: [R] Use of survreg.distributions

2008-04-25 Thread Abdus Sattar
Dear R-user: I am using survreg(Surv()) for fitting a Tobit model of left-censored longitudinal data. For logarithmic transformation of y data, I am trying use survreg.distributions in the following way: tfit=survreg(Surv(y, y=-5, type=left)~x + cluster(id), dist=gaussian, data=y.data,

Re: [R] Use of survreg.distributions

2008-04-25 Thread Terry Therneau
--begin included message --- I am using survreg(Surv()) for fitting a Tobit model of left-censored longitudinal data. For logarithmic transformation of y data, I am trying use survreg.distributions in the following way: tfit=survreg(Surv(y, y=-5, type=left)~x + cluster(id), dist=gaussian,

Re: [R] Use of survreg.distributions

2008-04-25 Thread Abdus Sattar
[EMAIL PROTECTED] To: [EMAIL PROTECTED] Cc: r-help@R-project.org Sent: Friday, April 25, 2008 8:46:45 AM Subject: Re: [R] Use of survreg.distributions --begin included message --- I am using survreg(Surv()) for fitting a Tobit model of left-censored longitudinal data. For logarithmic transformation