Date:         Fri, 12 Dec 2003 11:17:22 +0100
Reply-To:     Asesoría Bioestadística
              <bioestadistica@eresmas.net>
Sender:       "SPSSX(r) Discussion" <SPSSX-L@LISTSERV.UGA.EDU>
From:         Asesoría Bioestadística
              <bioestadistica@eresmas.net>
Subject:      Re: number of months between two dates
Content-Type: text/plain; charset=iso-8859-1

Hola Vicent:

Does this do what you need?

DATA LIST LIST /FCAL(DATE11).
BEGIN DATA
30-11-2000
25-12-1999
30-05-2001
END DATA.

COMPUTE months=TRUNC((CTIME.DAYS(DATE.DMY(31,10,2002)-fcal))/30.4375) .
EXECUTE .
FORMAT months(F8.0).

Saludos desde Pamplona

Marta García-Granero

Vicent Giner i Bosch ha escrito:

> I have one variable called "fcAl" which contains DATE datas.
>
> I want to create another variable called "mfcAl" containing number of months
> between "fcAl" and 31rd-OCTOBER-2002.
>
> How can I do it? I gess it's quite easy, but I don't manage very well with
> SPSS date functions.
>
> Thank you in advance.   :-)
>
> ........................................
>
> Vicent Giner i Bosch
> vigibos@eio.upv.es
> http://ttt.upv.es/~vigibos
>
> Universitat Politècnica de València
> Departament d'Estadística i Investigació
> Operativa Aplicades i Qualitat
> Edifici I-3
> Camí de Vera, s/n
> 46022  VALÈNCIA
> - S P A I N -
>
> Tel.: +34 963877007   Ext.: 74948
> ........................................