Date:         Thu, 1 Oct 2009 05:40:40 -0700
Reply-To:     Bruce Weaver <bruce.weaver@hotmail.com>
Sender:       "SPSSX(r) Discussion" <SPSSX-L@LISTSERV.UGA.EDU>
From:         Bruce Weaver <bruce.weaver@hotmail.com>
Subject:      Re: Help with programming in SPSS
In-Reply-To:  <200909301900.n8UFV12n004497@malibu.cc.uga.edu>
Content-Type: text/plain; charset=UTF-8

Ray Haraf wrote:
>
> Hi there!
> I am wondering if this is feasible. I have eight dependent nominal
> variables dv1, dv2, …, dv8 and twelve nominal and ordinal independent
> variables iv1, iv2, …, iv12. I run eight (8) different multinomial
> logistic regressions. My work is done.
>
> However, I would like to be able to write Syntax to execute the 8
> regressions. I would like to have something like
>
> For n =1 to 8
> Do
> NOMREG dvn (BASE=LAST ORDER=ASCENDING) BY iv1 TO iv12
>   /CRITERIA CIN(95) DELTA(0) MXITER(100) MXSTEP(5) CHKSEP(20) LCONVERGE(0)
> PCONVERGE(0.000001) SINGULAR(0.00000001)
>   /MODEL
>   /STEPWISE=PIN(.05) POUT(0.1) MINEFFECT(0) RULE(SINGLE) ENTRYMETHOD(LR)
> REMOVALMETHOD(LR)
>   /INTERCEPT=INCLUDE
>   /PRINT=PARAMETER SUMMARY LRT CPS STEP MFI.
>
> Would this be possible? If yes, please help.
>
> Thanks,
> Ray
>

Hi Ray.  Something like the following should work.

* Macro to loop through a list of outcome variables,
* running NOMREG (with the same explanatory variables)
* for each Y.

DEFINE MyNOMREG (YLIST !CMDEND) .

!do !Y !in(!YLIST)

NOMREG !Y (BASE=LAST ORDER=ASCENDING) BY iv1 TO iv12
  /CRITERIA CIN(95) DELTA(0) MXITER(100) MXSTEP(5) CHKSEP(20) LCONVERGE(0)
PCONVERGE(0.000001) SINGULAR(0.00000001)
  /MODEL
  /STEPWISE=PIN(.05) POUT(0.1) MINEFFECT(0) RULE(SINGLE) ENTRYMETHOD(LR)
REMOVALMETHOD(LR)
  /INTERCEPT=INCLUDE
  /PRINT=PARAMETER SUMMARY LRT CPS STEP MFI.

!doend
!ENDDEFINE.

* Call the macro .

MyNOMREG ylist = y1 y2 y3 y4 y5 y6 y7 y8 .



-----
--
Bruce Weaver
bweaver@lakeheadu.ca
http://sites.google.com/a/lakeheadu.ca/bweaver/
"When all else fails, RTFM."

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