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st: RE: gllamm converge problem/cumulative percentiles


From   "Nick Cox" <[email protected]>
To   <[email protected]>
Subject   st: RE: gllamm converge problem/cumulative percentiles
Date   Tue, 26 Jun 2007 22:32:31 +0100

I don't know "cumulative percentiles" 
as distinct from "percentiles". Perhaps 
you mean one of -xtile- and its kin. 

Either way, you cannot go beyond your 
ordinal values without extra assumptions. 

Nick 
[email protected] 

Tsui-o Tai
 
> 2. My second question:
> The original income variable is ordinal variable
> (categorized as <10000, 10000-25000,
> 25000-50000.....). I would like to creat a new income
> variable with values as the cumulative percentiles. I
> know how to get the percentiles for each category
> (egen rank). But is there any command with which I
> could assign the percentile to each case (that's,
> create a new variable and variable values are
> cumulative percentiles)?

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