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: date("01jan1960", "DMY") does not seem to work with -if- qualifier of the command -tablist-
From
Nick Cox <[email protected]>
To
[email protected]
Subject
Re: st: date("01jan1960", "DMY") does not seem to work with -if- qualifier of the command -tablist-
Date
Tue, 22 Mar 2011 13:21:53 +0000
In your B the second condition
date <= `date("03Jan2003", "DMY")'
should be
date <= `= date("03Jan2003", "DMY")'
The key difference here is that
`= exp'
forces evaluation of exp before the command in question fires up.
Nick
On Tue, Mar 22, 2011 at 1:09 PM, Amy Dunbar
<[email protected]> wrote:
> Why will A work, but not B?
>
> A. replace event1=1 if date == `=date("02Jan2003", "DMY")'
> B. replace event1=1 if date >= `=date("31Dec2002", "DMY")' & date <= `date("03Jan2003", "DMY")'
> *replace event1=1 if date >= 15705 & date <=15708 // this runs
>
*
* 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/