Blank bar for unselected category (generalized)

 

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*(Q) The AnswerNet solution 100001386
	is great if you have only a single variable 
	and you know which category has no respondents.
* Unfortunately, I have 12 DB, with 5 to 20 variables in each DB.  
* Each variable does have the same possible values:  0.05, 1, 2, 3, 4, 17, 19, 20.  
* Is there any way to automate the process so that I don't have to run 
* all the frequencies for each DB, identify the variables and the 
* categories with no respondents, create separate files for each empty 
* category for each variable, etc.?

*(A) Posted to SPSSX_L on 2001/12/06 by rlevesque@videotron.ca.
* This is a fairly general solution. 
* You do not need to know the variable names nor which ones are missing 
	category values before calling the macro.
* You would call the macro once for each
	data file. (If you had many files you could use the technics described
	in the "Working with many files" section of this site to automate 
	the process further).

* errors are produced by macro when there are string variables in
	the data file but these can be ignored.


SET MPRINT=no.
*//////////////////////.
DEFINE !fill (filenam=!TOKENS(1) /vlist=!CMDEND)
GET FILE=!filenam.
N OF CASES 1.
!LET !cnt=!NULL

!DO !val !IN (!vlist)
DO REPEAT var=ALL.
+ COMPUTE var=!val.
END REPEAT PRINT.
!LET !cnt=!CONCAT(!cnt,!BLANK(1))
COMPUTE wgt=.00001.
XSAVE OUTFILE=!QUOTE(!CONCAT('c:\\temp\\temp',!LENGTH(!cnt),'.sav')).
!DOEND
EXECUTE.

GET FILE=!filenam.
COMPUTE wgt=1.
!LET !cntend=!LENGTH(!cnt)
/* Add the dummy cases to the original data file */
!DO !cnt1=1 !TO !cntend
ADD FILES FILE=* /FILE=!QUOTE(!CONCAT('c:\\temp\\temp',!cnt1,'.sav')).
!DOEND

EXECUTE.
!ENDDEFINE.
*//////////////////////.


SET MPRINT=yes. 

* Call the macro to do the first data file.
!fill 	filenam='C:\\program files\\spss\\employee data.sav' 
	vlist=.05 1 2 3 4 7.

* Show that it works.
FORMAT jobcat minority (F8.2).
WEIGHT BY wgt.

* Basic Tables.
TABLES
  /FORMAT BLANK MISSING('.')
  /TABLES jobcat
  BY minority > (STATISTICS)
  /STATISTICS
  count( ( F5.0 )).

FREQUENCIES
  VARIABLES=jobcat
  /ORDER=  ANALYSIS .

* Note: Doing a Crosstab would not show the empty categories because that 
	procedure round	weights before preparing the table.
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