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Re: st: "stacking" a variable ?
From
"Thomas, Anthony" <[email protected]>
To
[email protected]
Subject
Re: st: "stacking" a variable ?
Date
Mon, 2 Dec 2013 11:51:58 -0500
sorry, thought you wanted to move observations from q1 to q2. The
principle is the same though...
On Mon, Dec 2, 2013 at 11:35 AM, Nick Cox <[email protected]> wrote:
> An explicit loop is unnecessary, as
>
> replace q2 = q2[_n+3] in 1/3
>
> encapsulates the loop. Subscripting should be familiar in terms of
> e.g. [_n-1] for previous observation.
>
> Nick
> [email protected]
>
>
> On 2 December 2013 16:28, Thomas, Anthony <[email protected]> wrote:
>> Hi Nick,
>>
>> You can try using Stata's subscript notation "_n":
>>
>> replace q2 = q1[4] if _n == 1
>> replace q2 = q1[5] if _n == 2
>>
>> *** where 4 and 5 are the observation number of what you want to move in q1
>>
>> and so on. Of course it would be smarter to implement this in a loop
>> if possible.
>>
>> Hope that helps,
>>
>> Anthony
>>
>> On Mon, Dec 2, 2013 at 11:03 AM, Nick Bornschein
>> <[email protected]> wrote:
>>> Hello,
>>>
>>> after some problems with my data, I have a final question to deal with them. Imagine the following example:
>>>
>>> clear
>>> input q1 q2
>>> 2.05 .
>>> 3.01 .
>>> 0.75 .
>>> . 1.99
>>> . 1.86
>>> . 0.44
>>> end
>>>
>>> How do I "move" column q2 upwards, so that finally 1.99 is in the same line as 2.05 in the first row, 1.86 is besides 3.01 and so on.
>>>
>>> Thanks a lot
>>> -Nick
>>> *
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>> *
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> *
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