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Author [OT] PERT diagrams (was: greedy method)
Stewart Gordon

2005-02-23, 4:02 pm

Ioannis Vranos wrote:
<snip>
> Perhaps you are looking for PERT diagrams?
>
> http://aisweb.wustl.edu/hr/empld.nsf/pages/pert


I can't quite make sense of this source - why is it the intervals
between tasks, rather than the tasks themselves, that take the time?

> http://www.netmba.com/operations/project/pert/


They're quite different from the PERT diagrams from when I went to
college. But with the same basic purpose.

The PERT diagrams of my college days involved boxes like this

+--------------+
| 14 | 3 | 17 |
|--------------|
| Do something |
|--------------|
| 19 | 5 | 22 |
+--------------+

where the boxes are (IIRC)

+---------------------------+
| early | duration | early |
| start | | finish |
|---------------------------|
| task description |
|---------------------------|
| late | slack | late |
| start | | finish |
+---------------------------+

Stewart.

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