Statalist


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

Re: st: Data Management


From   "Rijo John" <[email protected]>
To   [email protected]
Subject   Re: st: Data Management
Date   Fri, 21 Nov 2008 11:50:36 -0600

Thanks Nick and Martin,

 This did work too. I have the solution now using this duplicates
command as well as the other command suggested by Nick.

Thanks,
Rijo.

On Fri, Nov 21, 2008 at 11:44 AM, Martin Weiss <[email protected]> wrote:
> " I am not sure if duplicates command will work.. Because I have other
> variables in the data. So there are actually no duplicates at all in
> the data. "
>
> Not so, the -duplicates- commands allows -varlist-s...
>
> HTH
> Martin
> _______________________
> ----- Original Message ----- From: "Rijo John" <[email protected]>
> To: <[email protected]>
> Sent: Friday, November 21, 2008 6:28 PM
> Subject: Re: st: Data Management
>
>
>> Hi Friedrich,
>> the command you suggested produces pretty much the same result.. it
>> lists out all the ids irrespective of the differences in city names.
>>
>> Martin,
>>
>> I am not sure if duplicates command will work.. Because I have other
>> variables in the data. So there are actually no duplicates at all in
>> the data. Only the city name variable is spelt differently in certain
>> cases. There are many other variables which takes different values for
>> year 1 and two. So if I issue a duplicate command I would imagine it
>> may not produce any duplicates at all.
>>
>> Thanks,
>> Rijo.
>>
>> On Fri, Nov 21, 2008 at 11:18 AM, Friedrich Huebler <[email protected]>
>> wrote:
>>>
>>> Rijo,
>>>
>>> bysort ID: list if City[1]!=City[2]
>>>
>>> Friedrich
>>>
>>> On Fri, Nov 21, 2008 at 12:08 PM, Rijo John <[email protected]> wrote:
>>>>
>>>> Hi statalist,
>>>>
>>>> I have a data set as follows
>>>>
>>>> ID  City          Year
>>>> 1    City name   1
>>>> 1    City name   2
>>>>
>>>>
>>>> The data is suppose to have same city names for each ids for year 1
>>>> and two. but there are many occasions where city for the year 1 is
>>>> spelt differently thanthat for year 2. I just want to list out or edit
>>>> those cities where city names are different for year 1 and 2 for the
>>>> same ID. When I issue the following command
>>>>
>>>> bysort ID : list if  City!=City[_n-1]
>>>>
>>>> it lists all observations in the data whether or not the city is spelt
>>>> differently in years one and two. Thats strange to me? Can someone
>>>> tell what  I am doing wrong here?
>>>>
>>>> Thanks for your help.
>>>>
>>>> Rijo.
>>>
>>> *
*
*   For searches and help try:
*   http://www.stata.com/help.cgi?search
*   http://www.stata.com/support/statalist/faq
*   http://www.ats.ucla.edu/stat/stata/



© Copyright 1996–2024 StataCorp LLC   |   Terms of use   |   Privacy   |   Contact us   |   What's new   |   Site index