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Re: st: Merge data for two panels in a panel data set
From
"[email protected]" <[email protected]>
To
"[email protected]" <[email protected]>
Subject
Re: st: Merge data for two panels in a panel data set
Date
Mon, 26 Mar 2012 16:54:15 +0100 (BST)
Dear Nick,
I have about 60 different variables over 60 quarters in a sample of 120 firms. The two firms are among those 120 firms.
I guess it would be rather time consuming to do it in the way you suggest.
Rado
----- Ursprüngliche Message -----
Von: Nick Cox <[email protected]>
An: [email protected]
CC:
Gesendet: 16:43 Montag, 26.März 2012
Betreff: Re: st: Merge data for two panels in a panel data set
If this is just two firms, why is the answer not item1[41] +
item1[42], etc., where naturally you should insert the observation
numbers relevant?
Nick
On Mon, Mar 26, 2012 at 3:35 PM, [email protected]
<[email protected]> wrote:
> I have two firms in a data set that merge at a given point of time. For a specific reason, I need to sum the observations over their balance sheet items in each period of time. Would that be possible in Stata?
>
>
> The dataset looks like that:
>
> Firm Date Item1 Item2 Item3
>
>
> Firm1 Date1 Item1 Item2 Item3
>
> Firm2 Date1 Item1 Item2 Item3
>
> Firm3 Date1 Item1 Item2 Item3
>
> ...so on.
>
> I would like to merge in each period of time the data for firm 1 and firm 2 so the dataset will look like that:
>
>
> The dataset looks like that:
>
> Firm Date Item1 Item2 Item3
>
>
> Merged_Firms Date1 Item1 Item2 Item3
>
> Firm3 Date1 Item1 Item2 Item3
>
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