Bookmark and Share

Notice: On April 23, 2014, Statalist moved from an email list to a forum, based at statalist.org.


[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

Re: st: "stacking" a variable ?


From   "Thomas, Anthony" <anthony_h_thomas@brown.edu>
To   statalist@hsphsun2.harvard.edu
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 <njcoxstata@gmail.com> 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
> njcoxstata@gmail.com
>
>
> On 2 December 2013 16:28, Thomas, Anthony <anthony_h_thomas@brown.edu> 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
>> <nick.bornschein@gmail.com> 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
>>> *
>>> *   For searches and help try:
>>> *   http://www.stata.com/help.cgi?search
>>> *   http://www.stata.com/support/faqs/resources/statalist-faq/
>>> *   http://www.ats.ucla.edu/stat/stata/
>> *
>> *   For searches and help try:
>> *   http://www.stata.com/help.cgi?search
>> *   http://www.stata.com/support/faqs/resources/statalist-faq/
>> *   http://www.ats.ucla.edu/stat/stata/
> *
> *   For searches and help try:
> *   http://www.stata.com/help.cgi?search
> *   http://www.stata.com/support/faqs/resources/statalist-faq/
> *   http://www.ats.ucla.edu/stat/stata/
*
*   For searches and help try:
*   http://www.stata.com/help.cgi?search
*   http://www.stata.com/support/faqs/resources/statalist-faq/
*   http://www.ats.ucla.edu/stat/stata/


© Copyright 1996–2018 StataCorp LLC   |   Terms of use   |   Privacy   |   Contact us   |   Site index