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RE: Another grouping problem

2004-07-28 09:01:37
Michael,

How do I store the information so as to be able to reference it to the
correct region?

I'm sorry, I don't understand the question, because I didn't read/remember
the problem description in enough detail. I just saw that it involved
calculating running totals, and gave some general advice on the subject.
Sorry if it didn't take you all the way to a specific solution.

Michael Kay



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|         |           "Michael Kay"    |
|         |           <mhk(_at_)mhk(_dot_)me(_dot_)uk>  |
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|         |           07/28/04 04:56 AM|
|         |           Please respond to|
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  |       Subject:  RE: [xsl] Another grouping problem        
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This report must keep a running total of data by column.

To get a running total, you either need to calculate each 
total by summing
all the previous entries (which involves n*n/2 operations), 
or you need
recursion, passing the current total as a parameter at each 
recursive step.

Interestingly, running totals are one of the few examples I 
found where
linear head-tail recursion (recursive processing of a 
sequence) is still
needed in XSLT 2.0.

Michael Kay



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