[R] path.diagram in SEM--display covariances without variances

Dustin Fife fife.dustin at gmail.com
Wed Nov 9 20:12:23 CET 2011


Thanks for the quick response...I've never edited someone else's
package before. How do I go about doing that?

On Wed, Nov 9, 2011 at 12:47 PM, John Fox <jfox at mcmaster.ca> wrote:
> Dear Dustin,
>
>> -----Original Message-----
>> From: r-help-bounces at r-project.org [mailto:r-help-bounces at r-
>> project.org] On Behalf Of Dustin Fife
>> Sent: November-09-11 10:57 AM
>> To: r-help at r-project.org
>> Subject: [R] path.diagram in SEM--display covariances without variances
>>
>> Forgive me if I'm posting to the wrong place....It's my first time
>> posting.
>>
>> Here's the situation: I'm using the sem package and making path
>> diagrams using path.diagrams. Suppose I have the following code:
>>
> . . .
>
>> The diagram is produces is hard to read because of the many variances
>> that are shown. The covariance estimates are important for my diagram,
>> but the variances are not. Is there a way to suppress the variance
>> arrows without suppressing the covariance arrows?
>
> No, but (1) pathDiagram() (the name of the function in the current version
> of the sem package) produces an editable text file, from which you could
> remove the arrows that you don't want to see; and (2) you could modify
> pathDiagram() -- the code for the function is, after all, available to you
> -- so that it does what you want.
>
> I hope this helps,
>  John
>
> --------------------------------
> John Fox
> Senator William McMaster
>  Professor of Social Statistics
> Department of Sociology
> McMaster University
> Hamilton, Ontario, Canada
> http://socserv.mcmaster.ca/jfox
>
>
>
>>
>> --
>> Dustin Fife
>> Graduate Student, Quantitative Psychology University of Oklahoma
>>
>> ______________________________________________
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>> PLEASE do read the posting guide http://www.R-project.org/posting-
>> guide.html
>> and provide commented, minimal, self-contained, reproducible code.
>
>



-- 
Dustin Fife
Fife Photography
www.fifephotography.com
info at fifephotography.com
fife.dustin at gmail.com
405.414.5599



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