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Re: st: RE: Generating a variable by assigning value form another variable
From
Indu Khurana <[email protected]>
To
[email protected]
Subject
Re: st: RE: Generating a variable by assigning value form another variable
Date
Thu, 14 Jul 2011 01:06:08 -0400
Dear Vassilopoulos,
Thanks for your reply.
It worked!!
Regards
Indu
2011/7/13 Vassilopoulos Achilleas <[email protected]>:
> Dear Indu,
>
> If main_owner is a string variable just add quotes to its value. Namely,
> based on your last example:
>
> id main_owner hrs hrs01 hrs02 hrs03 hrs04 hrs05 hrs06 hrs07 hrs08
> hrs09 hrs10
> 1 01 . 20 10 . 5 .
> . . . . .
> 2 01 . 30 . . 5 .
> . . . . .
> 3 01 . 30 . . . .
> . . . . .
> 4 02 . 25 40 10 . .
> . . . . .
> 5 01 . 30 20 10 . .
> . . . . .
>
>
> With the following commands:
>
>
> local xx "01 02 03 04 05 06 07 08 09 10"
>
> foreach x of local xx {
> replace hrs = hrs`x' if main_owner == "`x'"
> }
>
>
> Turns into:
>
> id main_owner hrs hrs01 hrs02 hrs03 hrs04 hrs05 hrs06 hrs07 hrs08
> hrs09 hrs10
> 1 01 20 20 10 . 5 .
> . . . . .
> 2 01 30 30 . . 5 .
> . . . . .
> 3 01 30 30 . . . .
> . . . . .
> 4 02 40 25 40 10 . .
> . . . . .
> 5 01 30 30 20 10 . .
> . . . . .
>
>
> which is probably what you want.
>
>
> Hope this helps,
> _____________ - _______________
>
> Achilleas Vassilopoulos
>
> Agricultural University of Athens,
> Dept. of Agricultural Economics and Rural Development,
> Lab. of Political Economy and European Integration.
> Iera Odos 75, 11855, Athens, Greece
>
> Tel: (+30) 210-5294726
> Fax: (+30) 2105294786
> e-mail : [email protected]
>
>
> -----Original Message-----
> From: [email protected]
> [mailto:[email protected]] On Behalf Of Indu Khurana
> Sent: Wednesday, July 13, 2011 3:05 AM
> To: [email protected]
> Subject: Re: st: RE: Generating a variable by assigning value form another
> variable
>
> Dear Achilleas,
>
> Thanks for the help!!
>
> But the above code did not work. It still generated all missing values.
> I will re-frame and simplify my question: I have divided my data for
> each single year.
> I don't have any more year suffix( _2, _3....) attached with the variable.
>
> gen hrs=.
> local xx "01 02 03 04 05 06 07 08 09 10"
>
> id main_owner hrs hrs01 hrs02 hrs03 hrs04........hrs10
> 1 01 . 20 10 . 5
> 2 01 . 30 . . 5
> 3 01 . 30 . . . .
> 4 02 . 25 40 10 .
> 5 01 . 30 20 10 .
> .
> .
> 5000 firms..............................................................
>
> (main_owner is a string variable)
>
> Now I want hrs to take value of hrs01 for id 1 ie hrs change from
> "missing to 40"
> and hrs to take value of hrs002 for id 4 ie hrs change from "missing to 20"
>
> to look like:
>
> id main_owner hrs hrs01 hrs02 hrs03 hrs04
> 1 01 20 20 10 . 5
> 2 01 30 30 . . 5
> 3 01 30 30 . . . .
> 4 02 40 25 40 10 .
> 5 01 30 30 20 10 ..
> .
> .
> .
> I will appreciate your comments.
>
> Thanks!!
> Regards
>
> Indu
>
> On Tue, Jul 12, 2011 at 1:42 AM, Vassilopoulos Achilleas
> <[email protected]> wrote:
>> The problem is within the loop; your notation is a bit sloppy there. This
>> should work:
>>
>> local xx "01 02 03 04 05 06 07 08 09 10"
>>
>> foreach x of local xx {
>> replace hours_2 = hours_`x'_2 if main_owner == `x'
>> }
>>
>> Hope this helps,
>> _____________ - _______________
>>
>> Achilleas Vassilopoulos
>>
>> Agricultural University of Athens,
>> Dept. of Agricultural Economics and Rural Development,
>> Lab. of Political Economy and European Integration.
>> Iera Odos 75, 11855, Athens, Greece
>>
>> Tel: (+30) 210-5294726
>> Fax: (+30) 2105294786
>> e-mail : [email protected]
>>
>> -----Original Message-----
>> From: [email protected]
>> [mailto:[email protected]] On Behalf Of Indu Khurana
>> Sent: Tuesday, July 12, 2011 7:52 AM
>> To: [email protected]
>> Subject: st: Generating a variable by assigning value form another
> variable
>>
>> Dear Statalisters,
>>
>> Subject: Generating a variable by assigning value form another variable
>>
>> I have a panel data of 5000 firms. Each firm can have multiple owners,
>> but in the first stage I identified the main owner using the first
>> year data and kept it same for all 6 years.
>> This was done through a -reshape- command. ( In the data, if main
>> owner==1 means that the first person was the main owner.)
>>
>> Now I have something like:
>> firm_id main owner age gender hours_1
>> 1 1 30 M 20
>> 2 2 20 F 30
>> 3 1 30 F 35
>> 4 1 40 M 20
>> 5 1
>> Basically this is the subset from year1 of the whole data.
>>
>> Now I want hours_worked each year to change because it is a time
>> variant variable.
>>
>> When I merge this data with the rest of the data it looks like:
>> firm_id main_owner age gendr hours_1 hours_01_2 hours_02_2
>> hours_03_2.. hours_10_2..hours_10_6
>> 1 1 30 M 20
>> 2 2 20 F 30
>> 3 1 30 F 35
>> 4 1 40 M 20
>> 5 1
>>
>> hours _01_2 means: hours worked by owner 1 in the second year.
>> (hours_owner number* _ year)
>> hours_02_2 means: hours worked by owner 2 in the second year.
>>
>> there are 1 to 10 owners and it goes over for 6 years.
>>
>> Now i generated 5 more variables hours_2 (for second year), hours_3,
>> ....... hours_6
>>
>> I want hours_2 to take the value from the columns: hours_01_2
>> hours_02_2 hours_03_2 ......... hours_10_2.
>>
>> If main owner identified in stage 1 is 1 then variable hours_2 should
>> take the value from hours_01_2 and if
>> If main owner identified in stage 1 is 2 then variable hours_2 should
>> take the value from hours_02_2 .....and so on..
>>
>> I did:
>> gen hours_2=.
>> gen hours_3 =.
>> ......
>>
>> local xx "01 02 03 04 05 06 07 08 09 10"
>>
>> for each x of local xx {
>> replace hours_2 = hours_`x' if main_owner = " `x'"
>> }
>>
>>
>> But this does not work.
>>
>> Please guide.
>>
>> Thanks!!
>> *
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