SPSSX Discussion

Aggregation Error Version 21

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Matt Freeman

Aggregation Error Version 21

I submitted a service request for the issue which is:

In Statistics v21, (on Windows XP 32-bit) if the absolute value of the sum
of the cases for a variable fails to exceed 1, then the aggregate sum,
without a break variable, returns 0.

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David Marso

Re: Aggregation Error Version 21

Administrator

Have you confirmed that if the sum is > 1 it returns correctly?
Note that Anthony B. reported replication under Win7_64 so I suspect the bug report should reflect this as well.
I don't have a current version but SHOW VERSION will provide a detailed report of the various SPSS version bits.
I have lost count of who replicated and who didn't. Jon's failure to replicate doesn't really count because he is using a non release version ;-(
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Matt Freeman wrote

I submitted a service request for the issue which is:

In Statistics v21, (on Windows XP 32-bit) if the absolute value of the sum
of the cases for a variable fails to exceed 1, then the aggregate sum,
without a break variable, returns 0.

=====================
To manage your subscription to SPSSX-L, send a message to
[hidden email] (not to SPSSX-L), with no body text except the
command. To leave the list, send the command
SIGNOFF SPSSX-L
For a list of commands to manage subscriptions, send the command
INFO REFCARD

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Matt Freeman

Re: Aggregation Error Version 21

In reply to this post by Matt Freeman

Yes, David, I tried various examples with positive and negative numbers and
each time, if the absolute value of the sum was one or less, the aggregate sum
was 0. If the sum of the numbers was greater than 1 in absolute value the
aggregate sum was correct. Aggregate mean works like a charm.

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