RE: Earned Value terminology (was RE: Managing Extreme Programming)

EV in 1 page would be a good file to post to the files section though. 

> -----Original Message-----
> From: Alleman, Glen B. [mailto:[email protected]]
> Sent: Friday, January 10, 2003 12:49 PM
> To: [email protected]
> Subject: RE: Earned Value terminology (was RE: [xpAdoption] Managing
> Extreme Programming)
> 
> 
> Laurent,
> 
> BCWP is the cost needed to "book" the value. The value needs to be
> assigned upfront and the BCWS.
> 
> The velocity (and I'm speaking as a non-expert here and on 
> behave of one
> of my staff who is) is the Level of Effort cost of delivering code for
> the iteration and is "equivalent" to BCWP as you mention. 
> 
> I'll send the "EV in 1 Page" to anyone who wants, since I assume
> attachments aren't allowed.
> 
> Here's a quick summary:
> Three dimensions of Earned Value
> 
> The Plan - Budgeted Cost of Work Scheduled (BCWS)
> 
> The Performance - Budgeted Cost of Work Performed (BCWP)
> 
> The costs of Performance - Actual Cost of Work Performed (ACWP)
> 
> BCWS
>  * Authorized work - scheduled tasks
>  * Time frame for the work
>  * Sum of planned values - baseline plan
> 
> BCWP - "How much of the planned work was accomplished?"
> 
> ACWP - the money spent to convert BCWS into BCWP.
> 
> Cost Variance = BCWP - ACWP (negative CV is "bad")
> 
> Schedule Variance = BCWP - BCWS (negative SV is "bad")
> 
> Glen B. Alleman 
> 
> > -----Original Message-----
> > From: Laurent Bossavit [mailto:[email protected]]
> > Sent: Friday, January 10, 2003 12:27 PM
> > To: [email protected]
> > Subject: Earned Value terminology (was RE: [xpAdoption] Managing
> Extreme
> > Programming)
> > 
> > > > > (3) How to map the "velocity" metrics in unit-less measures
> > > > > to Earned Value in dollarized measures.
> > > >
> > > > Hmmm...  Velocity has to do with work expended, not 
> value created.
> > >
> > > [>] Yep and that the "gap" for XP, since velocity 
> describes a "level
> of
> > > effort" (in terms of EV) in which effort expended is the same as
> > > "value."
> > 
> > From what I understand, the mapping is rather simple - if you expand
> > the acronym BCWP as "budgeted cost of work performed" you get almost
> > the word-for-word definition of velocity, i.e. the total effort that
> > a given feature had been estimated to require.
> > 
> > In XP "effort" maps directly to "time" (a 1-point story maps to N
> > days' work) which maps directly to "cost" if you assume constant
> > salary, which is roughly the case.
> > 
> > What's the difference between velocity and BCWP per 
> iteration ? Is it
> > that the acronym has a meaning different from the expansion above?
> > 
> > Cheers, 
> 
> 
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