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st: RE: RE: tabodds command with 'if' option


From   "Nick Cox" <n.j.cox@durham.ac.uk>
To   <statalist@hsphsun2.harvard.edu>
Subject   st: RE: RE: tabodds command with 'if' option
Date   Fri, 3 Mar 2006 16:04:52 -0000

Note that -For- is not a Stata command. The command is -for-. Also, 
unless the user has an old version of Stata, no
on-line help is now available for -for-. 

For reasons documented elsewhere, -for- is in 
essence deprecated. -forval- and -foreach- 
should be considered preferable. 

Nick 
n.j.cox@durham.ac.uk 

Visintainer, Paul
 
> Assuming your data are set up appropriately, try:
> 
> For num 1/5: tabodds case year [fweight=freq] if cat == X

Sean Shu
 
> I have a cross-sectional time series dataset. I want to find 
> whether any
> 
> trend is presented over the years for different categories. So I used 
> tabodds command. But I want to apply the command for 
> different category 
> seperately. so I write the command syntax over the dataset attached:
> 
>  > tabodds case year [fweight=freq][if cat = 1]
>  > tabodds case year [fweight=freq][if cat = 2]
> ...
>  > tabodds case year [fweight=freq][if cat = 5]
> 
> Can you tell what's wrong with it? and Do I need write syntax to loop 
> the tabodds five time?

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