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: How do I convert a numeric monthly date into 1jan2000 format for use as an argument to the haver command?


From   Nick Cox <[email protected]>
To   "[email protected]" <[email protected]>
Subject   Re: st: How do I convert a numeric monthly date into 1jan2000 format for use as an argument to the haver command?
Date   Mon, 5 Aug 2013 20:01:17 +0100

Quite so, but your syntax as posted would have led to

loc monthn 643
loc month `=dofm(`monthn')'
haver use PCUP using "haver\USECON.dat", twithin(01jan2013, 19571) clear

Would that work even if the data were daily?


Nick
[email protected]


On 5 August 2013 19:45, Aaron Kirkman <[email protected]> wrote:
> Nick,
>
> You're exactly right about the haver command. It expects date
> constants that match the frequency of the data in question. Running:
>
>     haver use PCUP using "haver\USECON.dat", twithin(2012m1,2013m8) clear
>
> works as expected. Aside: I wasn't expecting the display command to
> have any side effects; I forgot to remove it when I reduced my do file
> to a minimal working example.
>
> Aaron
>
> On Mon, Aug 5, 2013 at 10:32 AM, Aaron Kirkman <[email protected]> wrote:
>> Statalist,
>>
>> I have a numeric monthly date stored in a macro, i.e.
>>
>>     loc currentmonth 643
>>
>> for August 2013. Is there a way to convert this month into the format
>> 01aug2013 for use with the haver command's "twithin" or "tin" option?
>> Currently, I have this code:
>>
>>     loc monthn 643
>>     loc month `=dofm(`monthn')'
>>     di %td `month'
>>     haver use PCUP using "haver\USECON.dat", twithin(01jan2013,`month') clear
>>
>> but this returns an r(198) invalid syntax error. If I follow the
>> documentation and omit the macro:
>>
>>     haver use PCUP using "haver\USECON.dat", twithin(01jan2013,01aug2013) clear
>>
>> I get the same error. The command works properly if I omit the "twithin" option:
>>
>>     haver use PCUP using "haver\USECON.dat",  clear
>>
>> What is the proper date format for the haver command, and how do I
>> convert this numeric date into that format?
>>
>>
>> Thank you,
>>
>> Aaron Kirkman
>> *
>> *   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