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Re: st: "stacking" a variable ?
From
Nick Bornschein <[email protected]>
To
"[email protected]" <[email protected]>
Subject
Re: st: "stacking" a variable ?
Date
Mon, 2 Dec 2013 20:12:06 +0100
Ok, thank you all. I will give that a try tomorrow.
My real data "change" the column every 181 values, so q1 is in 1/181, q2 from 182/363 and so on..hop that will work... ;))
> Am 02.12.2013 um 18:08 schrieb Nick Cox <[email protected]>:
>
> <>
>
> I am just underlining that [_n+3] does the loop for you.
>
> Nick
> [email protected]
>
>
>> On 2 December 2013 16:51, Thomas, Anthony <[email protected]> wrote:
>> 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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