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Date:         Fri, 4 Nov 2011 06:52:43 +0100
Reply-To:     John F Hall <johnfhall@orange.fr>
Sender:       "SPSSX(r) Discussion" <SPSSX-L@LISTSERV.UGA.EDU>
From:         John F Hall <johnfhall@orange.fr>
Subject:      Re: Any changes made to the working file since 17-AUG-2007
              15:19:58 have been
Comments: To: spsstaiwan <slin0416@gmail.com>
In-Reply-To:  <1320374149055-4962871.post@n5.nabble.com>
Content-Type: text/plain; charset="us-ascii"

Serena

If there are the same number of cases in each file and your cases in both files are in the same case order, merging shouldn't be a problem. Do they have a case ID? If not you should create one by something like:

compute serial = $casenum.

That way you can keep track of your cases.

As a check on strings, have you tried using AUTORECODE (page 229 of the syntax reference guide obtained from Help) to convert your strings to numeric? A frequency count can then pick up slight variations in the original strings such as typos and extra spaces which may need to be corrected if you are using them as sorting keys.

John F Hall

johnfhall@orange.fr www.surveyresearch.weebly.com

-----Original Message----- From: SPSSX(r) Discussion [mailto:SPSSX-L@LISTSERV.UGA.EDU] On Behalf Of spsstaiwan Sent: 04 November 2011 03:36 To: SPSSX-L@LISTSERV.UGA.EDU Subject: Re: Any changes made to the working file since 17-AUG-2007 15:19:58 have been

Dear Martha, Thank you very much for your reply. You are right, and thanks so much for confirming that this is not because of any bug. It is indeed related to sorting/merging files, mainly cause my key variable is a string variable, and there are some many-to-many search/merge situation that occurred....Will need to find the correct way to sort the string variables to avoid the error message.

Thank you once again and have a good weekend. serena

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