Hi, Jay It is actually a geometric distribution. You can check out the theoretical on Wikipedia. The exponential is a smooth approximation to it, I suppose. ...
Hi, James The problem I have is that statistical theory says we should use the mean, not the median. Only means add linearly. As I noted to Jay, it is actually...
Larry, Consider some network other than N tasks in series. Introduce a little parallelism. Maybe something (best viewed in a monospaced font like Courier) like...
Hello fellows interested in CCPM around the world. I'm involved with the topic and have some experiences aplllying CCPM in Brazil. I'm glad to share ...
Hello fellows interested in CCPM around the world. I'm involved with the topic and have some experiences aplllying CCPM in Brazil. I'm glad to share ...
Hello, I am also a CCPM professional. Can we have a common place where we can share resources of CCPM? I am willing to manage the common place on Public Domain...
Hi, Brian Thanks for some helpful thoughts. Yes, the place to start is with the lightbulbs we want to go off. One difficulty is that the associations people...
I think that my telephone-hell is over, finally. Please note TWO new numbers, if you're interested. FYI, Verizon led me to believe that two lines would be...
Hi, Tony Here is a little story to warm your heart. I did AT&T for my cell phone a few years back. The day after the 30 day trial ended, I started getting text...
Hi, Folks I have for years fostered the idea that the "correct" estimate to use for task durations is the mean. The reason is mathematically correct: the mean...
Larry, When we say to 50% estimate, I always thought we meant the 50% estimate:the median. I hadn't thought of it before, but I always used a sort of normal ...
Larry & Tony, ATT cellular service also drove me into the arms of a competitor. I've been reasonably happy with Sprint for years, now. If the following ...
Actually, it's simpler than that. I bought my iPhone recently on an AT&T contract (i.e. it was locked to that network). After upgrading to v3.0 of the...
Larry, For asymmetric distributions, I believe that your logic favoring the median over the mean is correct. If you know enough about the distribution, I...
Justin Did you get the latest Iphone. The one with the video camera? Sent from my iPhone. Bryan McNamara 506 961 2085 On 2009-07-06, at 11:20 PM, "Justin...
Hi Brian, I think that I can live without an iPhone. :-) I certainly can live without AT&T. Tony Rizzo +1 908 322 1840 <-------------- new desk-number...
It is easy... they remove the constraint of customer choice ;-) ... if you want an iPhone, you use their service. I like my iPhone, especially the add on...
siharmon@...
Jul 7, 2009 4:09 pm
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... I think that the trouble here is that the math is not sufficient to account for the real behavior. There is a limit to how long this "tail" can be. At a...
Jack. You're absolutely right. I like to minimize math examples-just enough to get a point across. Math works very well for stable realities. Organizations...
TOn Jul 8, 2009, at 12:10 PM, Jack Dahlgren wrote: ==================== There is a limit to how long this "tail" can be. At a certain point, management is not...
There are risks that, even when all viable responses have been applied, can leave the possibility of an unacceptable impact,even with very low probability...
Tony, I'm not sure there is a limit to how long the tail can be. A large group of very experienced engineers created an aggressive plan with a Critical Chain ...
I would love to know what they were taught, who taught it to them, and who the PM was. Please call my desk-number. Tony Rizzo +1 908 322 1840 <--------------...
Back to the iPhone... for competitive options, you may find this article to be of interest. Scott ...
siharmon@...
Jul 8, 2009 8:10 pm
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Hi, Jay I have always been clear that task distributions tend to have a long tail to the right, and NOT be normal, and therefore clarified that "50/50" was...
Hi, Brian Thanks. We never know the actual distributins for real projects, but we often have a good idea for simulations. You thoughts will help there. Larry...
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