Help with programming in SPSS

[Ray Haraf]

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

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[Bruce Weaver]

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 .