[Rsiena-help] Interaction effect specification for bipartite networks

[Ruth M. Ripley]

Dear Marco,

I have now put the new source on R-forge. I hope it will be built
by tomorrow.

Regards,

Ruth
--
Ruth M. Ripley,                         Email:ruth at stats.ox.ac.uk
Dept. of Statistics,                    http://www.stats.ox.ac.uk/~ruth/
University of Oxford,                   Tel:   01865 282851
1 South Parks Road, Oxford OX1 3TG, UK  Fax:   01865 272595


On Wed, 17 Mar 2010, Ruth M. Ripley wrote:

> Dear Marco,
>
> I have tried a similar model myself which fails... I know what is wrong:
> user specified interactions will not work with multiple processes. It will
> take me a little while to fix it, and it is late here. I will try
> tomorrow!
>
> Regards,
>
> Ruth
> --
> Ruth M. Ripley,                         Email:ruth at stats.ox.ac.uk
> Dept. of Statistics,                    http://www.stats.ox.ac.uk/~ruth/
> University of Oxford,                   Tel:   01865 282851
> 1 South Parks Road, Oxford OX1 3TG, UK  Fax:   01865 272595
>
>
> On Tue, 16 Mar 2010, marco tonellato wrote:
>
> > Dear Ruth,
> >
> > now that I changed the specification as 'ego' effect I could start the
> > model, but R then crashed.
> >
> > This is the command I used and the output I got after the crash:
> >
> > >
> > myeff<-includeInteraction(myeff,egoX,outActSqrt,interaction1="dev.ten",include=TRUE)
> >                                         name shortName type interaction1
> > collaboration.objEffects.138.1 collaboration   unspInt eval
> >                                interaction2 include effect1 effect2 effect3
> > collaboration.objEffects.138.1                 TRUE      24      17       0
> >
> > > ans <- siena07(mymodel, data=mydata, effects=myeff, batch=TRUE,
> > verbose=TRUE, nbrNodes=3, useCluster=TRUE, initC=TRUE)
> >
> > Stochastic approximation algorithm.
> > Initial value for gain parameter = 0.3464102.
> > Start of the algorithm.
> > Target function values are
> >   1.  904.00000   2.   89.00000   3. 1009.38249   4. 5637.09646   5.
> > -23.27556
> >   6.  354.12048   7.   72.53726   8.  221.19411   9.  -16.00520  10.
> > 2756.24970
> >  11. 2756.24970
> >
> > Start phase 0
> > theta: -1.55  0.00  0.00  0.00  0.00  0.00  0.00  0.00  0.00  0.00  0.00
> > Current parameter values:
> > -1.547494  0.000000  0.000000  0.000000  0.000000  0.000000  0.000000
> > 0.000000
> >  0.000000  0.000000  0.000000
> >
> > Start phase 1
> > Error in unserialize(node$con) : error reading from connection
> >
> >
> > Best regards,
> >
> > Marco
> >
> > On Tue, Mar 16, 2010 at 11:28 PM, Ruth M. Ripley <ruth at stats.ox.ac.uk>wrote:
> >
> > > Dear Marco,
> > >
> > > Sorry, I think the information I have coded in the package is incorrect. I
> > > think the egoX should be an 'ego' effect not a 'dyadic': if you change
> > > this in your effects object it should be OK.
> > >
> > > I will fix it in the package but it will be a couple of days before it is
> > > available in the binary on R-forge.
> > >
> > > Regards,
> > >
> > > Ruth
> > > --
> > > Ruth M. Ripley,                         Email:ruth at stats.ox.ac.uk<Email%3Aruth at stats.ox.ac.uk>
> > > Dept. of Statistics,                    http://www.stats.ox.ac.uk/~ruth/<http://www.stats.ox.ac.uk/%7Eruth/>
> > > University of Oxford,                   Tel:   01865 282851
> > > 1 South Parks Road, Oxford OX1 3TG, UK  Fax:   01865 272595
> > >
> > >
> > > On Tue, 16 Mar 2010, marco tonellato wrote:
> > >
> > > > Dear All,
> > > >
> > > > I'm currently modeling a bipartite network of 83 x 577 nodes with RSiena
> > > > (revision 0.61). I was able to estimate significant and convergent
> > > > parameters for the endogenous part and the main effects of 5 attributes
> > > > (related to either node set).
> > > >
> > > > I now have a problem including interaction effects. In particular I would
> > > > like to include the interaction of a constant binary covariate (which
> > > > captures whether or not my nodes of the first mode have tenure) with the
> > > > outdegree activity.
> > > >
> > > > Both using the tcl/tk initerface and entering (also with RSienaTest
> r62):
> > > >
> > > >
> > > myeff<-includeInteraction(myeff,egoX,outActSqrt,interaction1="dev.ten",include=TRUE)
> > > >
> > > > R returned this error message:
> > > >
> > > > invalid interaction specification:"must be at least one ego or both
> > > dyadic
> > > > effects".
> > > >
> > > > Finally, I also noticed that the "interactionType"  attribute of the
> > > tenure
> > > > egoX effect is set as dyadic, whereas it is left unspecified for all the
> > > > altX effects related to the other attributes I measured for the nodes of
> > > the
> > > > second mode.
> > > >
> > > > Am I doing something wrong? What should I do to get the interaction
> > > effects
> > > > working?
> > > > Thanks a lot,
> > > >
> > > > Marco
> > > >
> > >
> > >
> >
>
>
>