[EpiData-list] Re: EpiData-list Digest, Vol 95, Issue 8

10 Sep 2011

      Thank you Jens. It worked perfectly with minor change, as I was looking for
EntryClient as below,
DateAIDS
  AFTER ENTRY
    DateAIDS=DateDiag1
    IF (DateDiag2 < DateAIDS) THEN
      DateAIDS=DateDiag2
    ENDIF
    IF (DateDiag3 < DateAIDS) THEN
      DateAIDS=DateDiag3
    ENDIF
    IF (DateDiag4 < DateAIDS) THEN
      DateAIDS=DateDiag4
    ENDIF
    IF (DateDiag5 < DateAIDS) THEN
      DateAIDS=DateDiag5
    ENDIF
    IF (DateDiag6 < DateAIDS) THEN
      DateAIDS=DateDiag6
    ENDIF
    IF (DateDiag7 < DateAIDS) THEN
      DateAIDS=DateDiag7
    ENDIF
  END
END
I tested, works just fine. THANK YOU!!!
Bijay
On Sat, Sep 10, 2011 at 11:00 AM,
epidata-list-request@lists.umanitoba.cawrote:
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Today's Topics:

How to select earlier date from multiple dates
(epidata-list@lists.umanitoba.ca)
Re: How to select earlier date from multiple dates
(epidata-list@lists.umanitoba.ca)

Message: 1
Date: Fri, 9 Sep 2011 14:34:44 -0600
From: epidata-list@lists.umanitoba.ca
Subject: [EpiData-list] How to select earlier date from multiple dates
To: epidata-list@lists.umanitoba.ca
Message-ID:
       <CAEHHyTmiNvCm7zPcw+vtxBu2U8biViuecby-OG37jikcg1XG1w@mail.gmail.com
...
Content-Type: text/plain; charset=ISO-8859-1
Dear Forum Members,
I was looking a way to select earliest date from multiple date fields.
Example,
Five date fields with dates as below,
DateA - 13/01/2002
DateB - *13/01/2001*
DateC - 13/01/2002
DateE - 13/01/2003
DateF - 13/01/2004
So, the programming to select earliest date (13/01/2001) in the field
called
"DateDiagnosis"
Thanks in advance.
Bijay Adhikari, PhD
CD Epidemiologist
Regina, SK

Message: 2
Date: Fri, 09 Sep 2011 22:50:12 +0200
From: epidata-list@lists.umanitoba.ca
Subject: Re: [EpiData-list] How to select earlier date from multiple
       dates
To: epidata-list@lists.umanitoba.ca
Message-ID: 4E6A7C04.9070701@epidata.dk
Content-Type: text/plain; charset=ISO-8859-1; format=flowed
On 2011-09-09 22:34, epidata-list@lists.umanitoba.ca wrote:
...
Dear Forum Members,
I was looking a way to select earliest date from multiple date fields.
Example,
Five date fields with dates as below,
DateA - 13/01/2002
DateB - *13/01/2001*
DateC - 13/01/2002
DateE - 13/01/2003
DateF - 13/01/2004
So, the programming to select earliest date (13/01/2001) in the field
called
...
"DateDiagnosis"
I have not tested this solution, but I would do something like:
I assume this is in analysis:
define datetmp <dd/mm/yyyy>
datetmp = datea
if (dateb < datetmp) then datetmp = dateb
if (datec < datetmp) then datetmp = datec
if (dated < datetmp) then datetmp = dated
if (datee < datetmp) then datetmp = datee
if (datef < datetmp) then datetmp = datef
if (dateg < datetmp) then datetmp = dateg

now the datetmp contains the earliest of the dates mentioned.

regards
Jens Lauritsen
EpiData Association

EpiData-list@lists.umanitoba.ca
http://lists.umanitoba.ca/mailman/listinfo/epidata-list
End of EpiData-list Digest, Vol 95, Issue 8

[EpiData-list] Re: EpiData-list Digest, Vol 95, Issue 8

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