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: detecting repeated ID's


From   Jeph Herrin <[email protected]>
To   [email protected]
Subject   Re: st: detecting repeated ID's
Date   Mon, 05 Aug 2013 16:01:34 -0400

bysort propertyID: gen entries = _N


hth,
Jeph

On 8/5/2013 3:45 PM, David Jones wrote:
Hi Statalist,

I have a dataset of property sales that has an identifier for the
property ID. I want to know how many of the properties appear more
than once and then from there I'd like to restrict the observations to
only those that appear more than once (to see a change in sale value).

I've been doing some reading but so far haven't run across a way to do
this very easily. Does anyone have any suggestions?

Thanks!
David
*
*   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