## RE: [XP] Re: Estimation stuff

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• Well, thank you all. I don t know if you understood my point that the factor should be at least 2, but I don t care, because you are saying that things should
Message 1 of 201 , Oct 31, 2002
Well, thank you all. I don't know if you understood my point that the factor
should be at least 2, but I don't care, because you are saying that things
should be more simpler.

We are going to use a unit of estimation (a point maybe), and then we are
going to guess an initial velocity, if we are forced to (say 10 points per
iteration). After the first iteration we are going to improve the velocity.

I hope I got it right.

Thank you, again,
Andrei.

> -----Original Message-----
> From: Ron Jeffries [mailto:ronjeffries@...]
> Sent: Friday, November 01, 2002 4:50 AM
> To: extremeprogramming@yahoogroups.com
> Subject: Re: [XP] Re: Estimation stuff
>
>
> On Thursday, October 31, 2002, at 9:17:54 PM, Bill Walton wrote:
>
> >> >> The first thing is that all the estimates are relative.
> >>
> >> > To what?
> >>
> >> To each other.
>
>
> ?
>
> > What is it, in your experience, that makes one estimate
> > "better" than another? Not after the fact, but before the
> fact where the
> > estimates are compared and judged to determine which one
> will be accepted
> > and moved forward with?
>
> You mistake the original poster's point. In XP, story estimates are
> not considered to be in some absolute units like pints or
> milliseconds. They are just numbers. The stories are estimated on an
> arbitrary scale, relative to each other.
>
> Ron Jeffries
> www.XProgramming.com
> It is not the strongest of the species that survive, not the
> most intelligent,
> but the one most responsive to change. -- Charles Darwin
>
>
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• Ilja, http://www.aw.com/catalog/academic/product?ISBN=0201796198 \$23.62 from AW direct vs. \$31.50 at B&N, but I don t know how prices compare after shipping
Message 201 of 201 , Nov 9, 2002
Ilja,

\$23.62 from AW direct vs. \$31.50 at B&N, but I don't know how prices
compare after shipping costs.

-- Dossy

On 2002.11.09, Ilja Preuß <ilja.preuss@...> wrote:
> Oops... I thought I changed the subject - sorry.
>
> > Sent: Samstag, 9. November 2002 13:00
> > To: extremeprogramming@yahoogroups.com
> > Subject: RE: [XP] Re: Estimation stuff
> >
> >
> > Hi!
> >
> > Has anyone read "How to Break Software: A Practical Guide to
> > Testing" by
> > James A. Whittaker?
> >
> >
> > Seems to be a rather agile approach to testing. Should I take a closer
> > look?
> >
> > Regards, Ilja
>
>
> To Post a message, send it to: extremeprogramming@...
>
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