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RE: st: date("01jan1960", "DMY") does not seem to work with -if- qualifier of the command -tablist-
From
Amy Dunbar <[email protected]>
To
"[email protected]" <[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 13:59:51 +0000
Thank you, Nick and Phil! I get it now. This listserv is wonderful!
-----Original Message-----
From: [email protected] [mailto:[email protected]] On Behalf Of Nick Cox
Sent: Tuesday, March 22, 2011 9:22 AM
To: [email protected]
Subject: Re: st: date("01jan1960", "DMY") does not seem to work with -if- qualifier of the command -tablist-
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
>
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