Re: Hello

Dag Andersen wrote:
> Fredag 17 november 2006 10:00 skrev Jim Sabatke:
>> Dag Andersen wrote:
>>> Mandag 13 november 2006 19:49 skrev Jim Sabatke:
>>> (...)
>>>
>>>> Even GANTT charts have limited use IMHO.  The best charting available is
>>>> to display Budgeted Cost of Work Scheduled vs. Budgeted Cost of Work
>>>> Performed (Schedule Variance); and Budgeted Cost of Work Performed vs.
>>>> Actual Cost of Work Performed (Cost Variance).
>>>>
>>>> Those two graphs will give the project team and executives a very good
>>>> view of how the project is actually proceeding.
>>> How many datapoints do you think we typically need to plot?
>>> I'm asking because it would be nice to use kchart for this but there is a
>>> practical limit to how much data it can handle.
>>>
>>>> Estimated Cost and Time of Completion are also useful.
>>>>
>>>> Jim
>>> (...)
>> You actually don't need that many data points.  The graphs show
>> incremental progress, so depending on the size of the project, daily or
>> weekly data points are sufficient.  The idea is that there should be
>> enough data points to accurately convey the real status of the project.
> Diplomatic :)
> I'm playing a little bit with kchart and I'd say *much* more than 20 values 
> (per curve) and we get into problems. First with text along the x-axis (one 
> text per value), then with performance. It's made to resize to it's window, 
> (no scrolling) so the largest chart would be a full screen one. We can always 
> put it in a scrollview though, if needed, put then performance comes into 
> play. Hmm, it's not an exact sience...
> 
> OTOH whats the granularity of the performance data? We used to enter data  
> weekly for projects of 3 months to approx a year, so it would be hard to show 
> accurate data for smaller intervals.
>> Jim
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> 

I think that weekly data points are pretty much ideal.  That's the 
granularity I usually used when I was using CA Superproject (now 
defunct), which, btw, would have made a good model to copy for kplato.

Jim