Base duration for Normal and Uniform distributions

General discussion and questions about project risk management and risk analysis software RiskyProject. Includes discussion on how to perform efficient project risk analysis using our software.

Moderator: Intaver Support

Ken
Posts: 48
Joined: Wed Nov 09, 2005 9:47 am
Location: California

Base duration for Normal and Uniform distributions

Postby Ken » Fri Mar 10, 2017 8:35 am

I have Low Duration = 5 days, Base Duration = 6 days and High Duration = 10 days. I think Base Duration is ignored when I define Normal and Uniform distributions.
Ken the PM

Intaver Support
Posts: 771
Joined: Wed Nov 09, 2005 9:55 am

Re: Base duration for Normal and Uniform distributions

Postby Intaver Support » Fri Mar 10, 2017 8:45 am

Base duration is not used for the sampling process when you define any distributions except for Triangular. The image below presents your case.

Image

Please note that base duration is reflected in Triangular distribution, but Normal distribution is generated based on low and high duration values only. The same is true for non-symmetrical distributions, such as lognormal. You may use slides in Distribution tab to adjust most likely (peak) of lognormal. However base duration is used for deterministic (original) project schedule. Sometimes you may switch distribution to Triangular from any other, therefore it is important to ensure that base duration is correct.
Intaver Support Team
Intaver Institute Inc.
Home of Project Risk Management and Project Risk Analysis software RiskyProject
www.intaver.com


Return to “RiskyProject: Project risk management and risk analysis software”

Who is online

Users browsing this forum: No registered users and 1 guest