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RE: st: FW: Urgent: Stored Data after the calculation


From   keeler james <keelercalchas@hotmail.com>
To   <statalist@hsphsun2.harvard.edu>
Subject   RE: st: FW: Urgent: Stored Data after the calculation
Date   Sun, 28 Mar 2010 21:08:04 +0100

that'll be useful!

Cal

----------------------------------------
> From: martin.weiss1@gmx.de
> To: statalist@hsphsun2.harvard.edu
> Subject: RE: st: FW: Urgent: Stored Data after the calculation
> Date: Sun, 28 Mar 2010 22:03:44 +0200
>
>
> <>
>
> Sure, you may like Kit`s http://www.stata-press.com/books/isp.html to fill
> you in on all the secrets of Stata programming :-)
>
>
> HTH
> Martin
>
>
> -----Original Message-----
> From: owner-statalist@hsphsun2.harvard.edu
> [mailto:owner-statalist@hsphsun2.harvard.edu] On Behalf Of keeler james
> Sent: Sonntag, 28. März 2010 22:00
> To: statalist@hsphsun2.harvard.edu
> Subject: RE: st: FW: Urgent: Stored Data after the calculation
>
> Hi Martin,
>
> Thanks for your time and effort. I am probably a bit slow in this as I only
> start programming Stata or mainly programming for 3 months. Many thanks for
> all the pointers and reference. have a nice evening!
>
> Cal
>
> ----------------------------------------
>> From: martin.weiss1@gmx.de
>> To: statalist@hsphsun2.harvard.edu
>> Subject: RE: st: FW: Urgent: Stored Data after the calculation
>> Date: Sun, 28 Mar 2010 21:44:45 +0200
>>
>>
>> <>
>>
>> Several things are getting mixed up here, and I hope I am not the source
> of
>> the confusion. The -local- line stands on its own, unencumbered by what
> you
>> typed before. I thought you only wanted to see the value of A09 for which
>> the -if- expression was true, hence my answer.
>>
>> Where does the "=r(N)" part come from? It sounds suspiciously like a line
>> being taken out of context. This very context might have been a prior line
>> containing the -count- command, possibly augmented by an -if- expression
> of
>> the kind you had in mind. This command would leave an r-return value in
> its
>> wake, which you could then put into a -local-...
>>
>>
>> HTH
>> Martin
>>
>>
>> -----Original Message-----
>> From: owner-statalist@hsphsun2.harvard.edu
>> [mailto:owner-statalist@hsphsun2.harvard.edu] On Behalf Of keeler james
>> Sent: Sonntag, 28. März 2010 21:38
>> To: statalist@hsphsun2.harvard.edu
>> Subject: RE: st: FW: Urgent: Stored Data after the calculation
>>
>> Ta, Martin.
>>
>> After the command:
>>
>> list if Cohort=="Group 2" & A09!=.
>>
>> I don't think I can use the command:
>>
>> local second=A09[2]
>>
>> anymore, I try to use the following
>>
>> local second=r(N)
>>
>> but it doesn't seem to work. Ummm...
>>
>> Cal
>>
>> ----------------------------------------
>>> From: martin.weiss1@gmx.de
>>> To: statalist@hsphsun2.harvard.edu
>>> Subject: RE: st: FW: Urgent: Stored Data after the calculation
>>> Date: Sun, 28 Mar 2010 20:39:30 +0200
>>>
>>>
>>> <>
>>>
>>>
>>> Maybe you wanted:
>>>
>>> *******
>>> list if Cohort=="Group 2" & A09!=.
>>> *******
>>>
>>> The string "and" was bound to cause an error message...
>>>
>>> HTH
>>> Martin
>>>
>>>
>>> -----Original Message-----
>>> From: owner-statalist@hsphsun2.harvard.edu
>>> [mailto:owner-statalist@hsphsun2.harvard.edu] On Behalf Of keeler james
>>> Sent: Sonntag, 28. März 2010 20:34
>>> To: statalist@hsphsun2.harvard.edu
>>> Subject: RE: st: FW: Urgent: Stored Data after the calculation
>>>
>>> BTW, one more question.
>>>
>>> What if the groups are ever changing, e.g. sometimes groups 1 and 4 are
>>> missing, and it will end up like the following:
>>>
>>> Cohort Tot08 Tot09 A08 A09
>>>
>>> Group 2 10 3 0
>>> ?
>>> Group 3 3 4 2 ?
>>> Group 5 3
>>> 8 0 ?
>>> Group 6 0 31 0 ?
>>> Group 7 266 245 181 ?
>>>
>>> if we use the same display command -di in r "Second value of A09: "
>> A09[2]-,
>>> it will show the value of Group 3 instead of Group 2.
>>>
>>> I try in vain to use the following command
>>>
>>> di in r if Cohort=="Group 2" and A09!=.
>>>
>>> to lock the output to Group 2 but there was an error message. Any help
>> will
>>> be great!
>>>
>>> Cal
>>>
>>> ----------------------------------------
>>>> From: keelercalchas@hotmail.com
>>>> To: statalist@hsphsun2.harvard.edu
>>>> Subject: RE: st: FW: Urgent: Stored Data after the calculation
>>>> Date: Sun, 28 Mar 2010 17:15:45 +0100
>>>>
>>>> Brilliant! Many thanks, Martin - have a good weekend!
>>>>
>>>> Cal
>>>>
>>>>> From: martin.weiss1@gmx.de
>>>>> To: statalist@hsphsun2.harvard.edu
>>>>> CC: keelercalchas@hotmail.com
>>>>> Subject: st: FW: Urgent: Stored Data after the calculation
>>>>> Date: Sun, 28 Mar 2010 16:02:07 +0200
>>>>>
>>>>>
>>>>> <>
>>>>>
>>>>>
>>>>> Try this, and switch your mail program to text only... All of this is
>>>>> discussed in [U], sect. 13.7...
>>>>>
>>>>> *******
>>>>> clear*
>>>>>
>>>>> input str7 Cohort int(Tot08 Tot09 A08)
>>>>> "Group 1" 48 66 17
>>>>> "Group 2" 10 3 0
>>>>> "Group 3" 3 4 2
>>>>> "Group 4" 1 0 0
>>>>> "Group 5" 3 8 0
>>>>> "Group 6" 0 31 0
>>>>> "Group 7" 266 245 181
>>>>> end
>>>>>
>>>>> gen A09=round((A08/Tot08)*Tot09)
>>>>>
>>>>> list, noo
>>>>>
>>>>> di in r "First value of A09: " A09[1]
>>>>> di in r "Second value of A09: " A09[2]
>>>>> di in r "Double the first value of A09: " 2*A09[1]
>>>>>
>>>>> *store second value in a -local-
>>>>> local second=A09[2]
>>>>> di in r `second'
>>>>> *******
>>>>>
>>>>>
>>>>> HTH
>>>>> Martin
>>>>>
>>>>> From: keeler james [mailto:keelercalchas@hotmail.com]
>>>>> Sent: Sonntag, 28. März 2010 15:10
>>>>> To: martin.weiss1@gmx.de; statalist@hsphsun2.harvard.edu
>>>>> Subject: FW: Urgent: Stored Data after the calculation
>>>>>
>>>>> Hi Martin,
>>>>>
>>>>> Thanks for the prompt response.
>>>>>
>>>>> The message attached is my original request, which got bounced back:
>>>>>
>>>>> For Group1, the calculated value for A09 is 23.4; for Group2, the
>>> calculated
>>>>> value is 0 and so on for the rest of the groups. But how can I reuse
>> 23.4
>>>>> (Group 1, A09) in one specific (further) calculation and 0 (Group2,
> A09)
>>> in
>>>>> a separate (further) calculation?
>>>>>
>>>>> I think it should be quite easy, but I just don't know how to do that.
>>>>>
>>>>> Calchas
>>>>> ________________________________________
>>>>> From: keelercalchas@hotmail.com
>>>>> To: statalist@hsphsun2.harvard.edu
>>>>> Subject: FW: Urgent: Stored Data after the calculation
>>>>> Date: Sat, 27 Mar 2010 00:06:41 +0000
>>>>>
>>>>> Dear Statalist,
>>>>>
>>>>> I have the following table with column "A09" needed to be calculated.
>>>>>
>>>>> Cohort Tot08 Tot09 A08 A09
>>>>>
>>>>> Group 1 48 66 17 ?
>>>>> Group 2 10 3 0 ?
>>>>> Group 3 3 4 2 ?
>>>>> Group 4 1 0 0 ?
>>>>> Group 5 3 8 0 ?
>>>>> Group 6 0 31 0 ?
>>>>> Group 7 266 245 181 ?
>>>>>
>>>>> I use the command:
>>>>>
>>>>> gen A09=round((A08/Tot08)*Tot09)
>>>>>
>>>>> This will work well for the missing column "A09", but how can I reuse
>> the
>>>>> calculated numbers to do further calculations?
>>>>>
>>>>> I know it is something relating to the command of stored data, i.e.:
>>>>>
>>>>> local missing=r(N)
>>>>>
>>>>> but this is only for a scalar value, what about saving and reusing the
>>>>> entire column? Really stuck at the moment and any help will be
>>> appreciated.
>>>>>
>>>>> Ta,
>>>>> Calchas
>>>>>
>>>>>
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