[Limdep Nlogit List] ";Export" issue
Matt Quaife
matthew.j.quaife at gmail.com
Mon Mar 14 03:00:36 AEDT 2016
Hi Suzanne,
Great spot - I hadn't noticed that the columns were offset, thank you.
I guess some excel trickery would force it into shape, however I am
wondering anyone knows of a syntax fix I could apply at source?
Thanks
Matt
On Fri, Mar 11, 2016 at 11:23 PM, Suzanne Clain <suzanne.clain at villanova.edu
> wrote:
> Matt --
>
> Did you notice that it appears to be exporting the interval information
> presented in NLOGIT (i.e. all six columns of numerical values per variable)
> and misaligning that information in your csv output (which only has four
> columns of numerical values per variable)?
>
> I don't know if you can do anything to control that or if there's an error
> in the programming of the export command.
>
> Suzanne
> ________________________________________
> From: limdep-bounces at limdep.itls.usyd.edu.au [
> limdep-bounces at limdep.itls.usyd.edu.au] on behalf of Matt Quaife [
> matthew.j.quaife at gmail.com]
> Sent: Thursday, March 10, 2016 6:44 PM
> To: Limdep at limdep.itls.usyd.edu.au
> Subject: [Limdep Nlogit List] ";Export" issue
>
> Hi all,
>
> I am having some trouble applying the ;export command, specifically the
> resultant .csv file contains coefficients and standard errors etc. that are
> (sometimes very) different to those presented in NLOGIT.
>
> I am using the syntax below:
>
> OPEN
> ;EXPORT="<filename>.csv"$
>
> NLOGIT
> ;lhs=choice, cset,alti
> ;Choices=a,b,c,n
> ;tree=switch(a,b,c), noswitch(n)
> ;ivset:(noswitch)=[1.0]
> ;start=logit
> ;maxit=100
> ;export output
> ;Model:
> etc $
>
> In the exported file, the first attribute information appears to be
> correct, however the second coefficient onwards exports incorrect
> information. Example below (please excuse formatting, I am not a listserv
> pro):
>
> NLOGIT output:
>
> --------+--------------------------------------------------------------------
> | Standard Prob. 95%
> Confidence
> CHOICE| Coefficient Error z |z|>Z* Interval
>
> --------+--------------------------------------------------------------------
> |Attributes in the Utility Functions (beta)
> Att1| -.01437 .24718 -.06 .9537 -.49884 .47011
> Att2| .07179 .17488 .41 .6814 -.27097 .41455
> Att3| .12039 .29830 .40 .6865 -.46427 .70505
>
>
> Excel .csv output:
> Variable Coeff. Std.Err. t-ratio P-value
> Att1 -1.44E-02 0.247185 -5.81E-02 0.953656
> Att2 -0.498839 0.470108 7.18E-02 0.17488
> Att3 0.410522 0.681423 -0.270966 0.41455
>
> Advice much appreciated.
>
> Best wishes
> Matt
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