Re: [R] Tobit Modelling

2010-08-06 Thread Cristian Montes
- De: r-help-boun...@r-project.org [mailto:r-help-boun...@r-project.org] En nombre de Patrick Sessford Enviado el: Jueves, 05 de Agosto de 2010 08:42 p.m. Para: r-help@r-project.org Asunto: [R] Tobit Modelling Dear R-users, I would like to model data where the response variable consists of m

Re: [R] Tobit Modelling

2010-08-06 Thread sayan dasgupta
Hi Patrick, Well tobit regression is applicable when there is censoring in the data. Tobit regression in R has been implemented in the R package survival An easy user interface is there in the packages AER and Zelig. On Fri, Aug 6, 2010 at 6:12 AM, Patrick Sessford wrote: > > > Dear R-users, >

[R] Tobit Modelling

2010-08-05 Thread Patrick Sessford
Dear R-users, I would like to model data where the response variable consists of many minus ones and many different positive values that seem to follow an apparently separate distribution (ie. -1, -1, 0.5, -1, 3, 3.5, 1.2, -1, -1, 0.4, etc); no values of the response can be less than minus on