Re: [R] Data Simulation

2012-07-08 Thread peter dalgaard
On Jul 8, 2012, at 23:39 , ycyi121 wrote: > Hi, > > I have great difficulty in simulation the a dataset based in a loading > matrix [c(1,1,1,2,3,3,3,4,4,3,2,2,1,1), 7, 2) and an error covariance matrix > is 2*I. I have to simulate a dataset with 7 variables and 50 rows. I search > a lot and did

Re: [R] Data simulation with R

2007-10-04 Thread Arne Henningsen
Hi Matiou: On Thursday 30 August 2007 13:25, Matiou wrote: > Hi, > > I am currently on a placement here at GSK for my studies, and I'm working > on Heckman Models. I have to make simulations, in order to see whether > these models are efficient or not. > > I have to generate a dataset under the f