[sage-support] Re: Structured Equation Modeling (SEM) with sagemath?

2009-09-06 Thread Dan-Erik
On 5 Sep, 17:39, Jason Grout wrote: > Are you talking about this package, or something different? > > http://openmx.psyc.virginia.edu/ > Ah, thanks for highlighting that. No, the link you provided is not what I'm talking about. What you linked is a project in beta stages and there isn't even an

[sage-support] Re: Structured Equation Modeling (SEM) with sagemath?

2009-09-05 Thread Dan-Erik
On 4 Sep, 16:23, William Stein wrote: > I'm just curious: > >    (1) what is "structured equation modeling"? Basically, it is a way to display covariance. You build a model based on covariance which may help to explain cause and effect. Of course, you have to design the model very carefully and

[sage-support] Structured Equation Modeling (SEM) with sagemath?

2009-09-04 Thread Dan-Erik
I have been trying to find alternatives to R for structured equation modeling, but so far I haven't been very successful. Most books and sites refer to LISREL or AMOS, but I would prefer to work with all my data in the same environment without dropping out to other applications all the time. So I