[R] calculate response probabilities using sem-analysis

[Jarrett Byrnes]

Did you back-calculate to estimate an intercept?
Alternately, I've been working on a function that takes a fitted sem  
and gets predicted values given an input.  Contact me off-list and  
I'll send it to you.

On Mar 22, 2010, at 8:37 AM, Tryntsje Wesselius wrote:

> Hi everyone,
>
> I just conducted a structural equation model for estimating a response
> model. This model should predict the probability that someone is  
> responding
> to a direct mailing. I used the sem package for this. When I have my
> coefficients I want to know how well my model predicts the  
> probability of
> response. How can I calculate these probabilities?
> I tried to use the unstandardized coefficients, just like a regression
> coefficient in the following formula:
> Y = b1*x1 + b2*x2
> But then I have values larger than 1, so that aren't probabilities.  
> Does
> anyone dealt with this problem before?
> You can be of great help to me!!
>
> Kind regards,
>
> Tryntsje
>
> 	[[alternative HTML version deleted]]
>
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