From mboxrd@z Thu Jan  1 00:00:00 1970
From: Cecil Westerhof <CecilWesterhof@xs4all.nl>
Subject: Sommatie on values with a condition
Date: Thu, 21 Jun 2007 13:03:27 +0200
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I would like the following table:
|---------+--------|
| type    | amount |
|---------+--------|
| a       |    125 |
| b       |    350 |
| c       |    420 |
| d       |    910 |
| b       |    135 |
| d       |     84 |
|---------+--------|
| total a |    125 |
| total b |    485 |
| total c |    420 |
| total d |    994 |
|---------+--------|

So the second group are the different values.
And in the thirth group there is a sommation for the different types.
Is this possible?

-- 
Cecil Westerhof <CecilWesterhof@xs4all.nl>