Date:         Thu, 25 Sep 2003 11:02:06 +0200
Reply-To:     Antoon Smulders <a.smulders@beke.nl>
Sender:       "SPSSX(r) Discussion" <SPSSX-L@LISTSERV.UGA.EDU>
From:         Antoon Smulders <a.smulders@beke.nl>
Subject:      Re: should be real simple... counting unique cases
Content-Type: text/plain; charset="iso-8859-1"

Hi Jude

What about:
AGGREGATE OUTFILE * /BREAK yourvar
    /n_break = n.

Antoon Smulders

----- Original Message -----
From: "Jude Cosgrove" <Jude.cosgrove@erc.ie>
Newsgroups: bit.listserv.spssx-l
To: <SPSSX-L@LISTSERV.UGA.EDU>
Sent: Thursday, September 25, 2003 10:32 AM
Subject: Re: should be real simple... counting unique cases


> Could you also use the aggregate command, and request that the aggregate
> file also saves the number of cases per break variable such that if
> N_BREAK=1, then that particular value is unique? Then save to a new file
> with the condition that N_Break=1?
>
> You should find the syntax very quickly using GUI and paste.
>
> HTH
> Jude
>
> Jude Cosgrove
> Research Associate
> Educational Research Centre
> Drumcondra
> Dublin 9
>
> jude.cosgrove@erc.ie
>
> Ph     +353 1 837 3789
> Fax   +353 1 837 8997
>
>
> -----Original Message-----
> From: Marks, Jim [mailto:Jim.Marks@lodgenet.com]
> Sent: 24 September 2003 14:16
> To: SPSSX-L@LISTSERV.UGA.EDU
> Subject: Re: should be real simple... counting unique cases
>
>
> Nico:
>
> There are many ways to skin this cat. I like AUTORECODE:
>
> DATA LIST FREE /vara (A1).
> BEGIN DATA
> 1 1 1 1 2 2 3 3 4 4 5 5 5 6 6 6
> 7 7 7 7 7 8 9 9
> END DATA.
>
> AUTORECODE vara /INTO varnbr.
> DESCRIPTIVES varnbr /STAT=max.
>
>
> The maximum value of varnbr is the number of unique values.
>
> For numeric variables, you can use
>
> RANK varnbr /RANK INTO varcnt /TIES=CONDENSE.
>
> Cheers
>
> Jim Marks
> Senior Market Analyst
> LodgeNet Entertainment Corporation
>
>
> -----Original Message-----
> From: Nico Peruzzi, Ph.D. [mailto:nperuzzi@yahoo.com]
> Sent: Tuesday, September 23, 2003 5:28 PM
> To: SPSSX-L@LISTSERV.UGA.EDU
> Subject: should be real simple... counting unique cases
>
>
> SPSSers,
>
> I know I'm missing something real simple here, but how does
> one count the number of unique cases in a variable as
> follows:
>
> String variable A:
> 1
> 1
> 1
> 2
> 2
> 2
> 3
> 3
> 4
> 4
> 5
> 6
> 7
> 7
> 7
> 7
> 8
> 8
> 9
> 9
>
> I want to know how many unique numbers are in this
> variable.
>
> Thanks in advance, Nico
>
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