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Re: st: Two identical observations except one variable = sum up this variable and drop one observation
From
miriam geringer <[email protected]>
To
[email protected]
Subject
Re: st: Two identical observations except one variable = sum up this variable and drop one observation
Date
Sun, 19 Jan 2014 15:57:35 +0100
This is how it looks:
PERMNO date Price Shares offered
123456 1 5 8
123456 1 5 6
This is how it should look like:
PERMNO date Price Shares offered
123456 1 5 14
2014/1/19 miriam geringer <[email protected]>:
> Hey guys,
>
> in my dataset, there are some entries (duplicate entries), which are
> identical (all variables have identical values), EXCEPT one variable.
>
> There is one variable, which has different values. All other variables
> have exactly the same variables.
>
> Now, I want to add/sum up these two different values and keep all
> other (identical) variables the same. After adding up the different
> values, I want to keep only one observation with the summed up value.
>
> Example:
>
> This is how it looks:
> PERMNO dofd (DAILY_ID) Price Shares offered
> 123456 1 5
> 6
> 123456 1 5
> 8
>
> This is how it should be:
> PERMNO dofd(DAILY_ID) Price Shares offered
> 123456 1 5
> 14
>
> Can anyone help?
>
> Thanks!
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