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Re: st: Extend observations in dataset
From
Nick Cox <[email protected]>
To
"[email protected]" <[email protected]>
Subject
Re: st: Extend observations in dataset
Date
Tue, 28 Jan 2014 16:18:56 +0000
Unless I am misunderstanding something, you appear to be posting as
Miriam Geiringer
Peter Bilfiger
Torsten Häberle
Precisely one identity is enough. Masquerading as somebody else is a
breach of trust.
Nick
[email protected]
On 28 January 2014 15:22, Torsten Häberle <[email protected]> wrote:
> I forgot to mention:
> 11111 is the very last observation at the end of the dataset. The
> extension should only be done to this very last observation.
>
> Example:
>
> Number Year Other variable of interest
> 77777 1975 9
> 22222 1972 8
> 11111 1999 5
>
>
> Extension to:
>
> Number Year Other variable of interest
> 77777 1975 9
> 22222 1972 8
> 11111 1999 5
> 11111 2000 .
> 11111 2001 .
> 11111 2002 .
> 11111 1998 .
> 11111 1997 .
> 11111 1996 .
>
> All the observations before should not be extended. They stay exactly
> the same. Only the very last one (11111 in our case).
>
> 2014-01-28 Peter Bilfiger <[email protected]>:
>> I have the following dataset:
>>
>> Number Year Other variable of interest
>> 11111 1999 5
>>
>>
>> Now, I want to extend the observations so that it looks like this:
>>
>> Number Year Other variable of interest
>> 11111 1999 5
>> 11111 2000 .
>> 11111 2001 .
>> 11111 2002 .
>> 11111 1998 .
>> 11111 1997 .
>> 11111 1996 .
>>
>>
>> Basically extend the years by +3 and -3 and just copy the number so that for each year, there is the same number from the initial year. The other variables are not important. They can be missing.
>>
>> Can anybody help?
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