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Re: st: Missing value problem with new variable

From   Wameq Raza <>
Subject   Re: st: Missing value problem with new variable
Date   Tue, 11 Sep 2012 11:43:24 +0200

Hi Nick,
Thanks for this, the last bit is my mistake. I meant to write Q1_1_7,
but I put in 'occupation'
for easier understanding of the problem and forgot to change the explanation.
I'll give this a shot and let you know asap,
Thanks again for your help!

On Tue, Sep 11, 2012 at 11:39 AM, Nick Cox <> wrote:
> I guess that the problem is not whether -occupation- is ever missing.
> It is whether every household has someone for whom -relationshiptohhh
> == 1-.
> You can check that by e.g.
> egen nohhh = total(relationshiptohhh == 1), by(SRLNO sites)
> and looking for zeros.
> Also your code is contradictory. If -Q1_1_7- is the right variable,
> why use -occupation-?
> Nick
> On Tue, Sep 11, 2012 at 10:20 AM, Wameq Raza <> wrote:
>> For my data set that deals with health seeking behavior for a acute
>> illnesses, I've been trying to include the occupational details of the
>> household head for each of the patients who seek care. More
>> specifically, I want to create a variable where the occupation of the
>> household head is stored for every individual in the household.
>> To do this I've followed these steps:
>> 1. gen emp_hhh=occupation if relationshiptohhh==1           /where
>> Q1_1_7 is the occupation variable (categorical variable) and
>> relationshiptohhh equals to 1 if it's the head of the household
>> 2. bysort SRLNO site: egen emp_hh = max(emp_hhh)        /where "SRLNO
>> site" are the ID variables for each household.
>> My understanding is that the new var "emp_hh" should have what I want,
>> but there seems to be a number of missing values. I've checked the
>> original occupation var for missing values from which the new var was
>> constructed, but there were none. Might there be something wrong with
>> my syntax?
>> I'm having a similar problem with the education variable as well.
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