Search found 7 matches

by George Richardson
Thu Aug 17, 2000 12:59 pm
Forum: SD Mailing List Archive
Topic: Quantifying soft data
Replies: 16
Views: 15144

Quantifying soft data

Geoff says: >By persisting in quantifying what >cannot be quantified we risk producing models which are misleading and maybe >even fundamentally wrong. But if such "soft" variables are crucial to the policy dynamics of the system, then the only absolutely sure way we can be wrong is to fol...
by George Richardson
Sun Apr 16, 2000 7:37 pm
Forum: SD Mailing List Archive
Topic: Epidemic and S-Shaped
Replies: 11
Views: 12189

Epidemic and S-Shaped

>I am doing work on epidemics and spread of information, and I am attempting >to understand these models within systems dynamics. However I am having >trouble constructing the causal loop diagram for the simple two >compartmenet epidemic. You might look at the note called "Problems with Causal ...
by George Richardson
Tue Mar 21, 2000 12:21 pm
Forum: SD Mailing List Archive
Topic: HICSS34 CfP: Agent-Based Simulation and System Dynamics
Replies: 0
Views: 1781

HICSS34 CfP: Agent-Based Simulation and System Dynamics

HAWAII INTERNATIONAL CONFERENCE ON SYSTEM SCIENCES HICSS-34 January 3-6, 2001 Outrigger Wailea Resort Maui CALL FOR PAPERS HICSS provides a forum for the interchange of ideas, research results, development activities and applications among academicians and practitioners in the information, computer,...
by George Richardson
Tue Dec 21, 1999 9:52 am
Forum: SD Mailing List Archive
Topic: Resource allocation models
Replies: 28
Views: 40407

Resource allocation models

Jack Homer and I have been corresponding about the resource allocation problem off-line, and Im discovering just how messy this can be. Theres a lot here to think about, ranging from how to get a system dynamics model to allocate in some optimal way, which people might not be capable of doing, to ho...
by George Richardson
Fri Dec 17, 1999 11:03 am
Forum: SD Mailing List Archive
Topic: Resource allocation models
Replies: 28
Views: 40407

Resource allocation models

Jim Hines notes that the simple familiar weighted average scheme for allocating time among several competing activities wont give sensible results when one has more time available than is needed by the sum of all the activities. Since I seldom have enough time, that seldom occurs to me, so... Why no...
by George Richardson
Tue Dec 14, 1999 11:34 am
Forum: SD Mailing List Archive
Topic: Resource allocation models
Replies: 28
Views: 40407

Resource allocation models

At 10:03 PM -0500 12/13/99, Steve Roderick wrote: >Can anyone out there offer suggestions as to how one might model decisions >concerning resource allocation? Time is the example I am thinking of >mostly. With only a given amount available, how can it best be managed. One simple but very adaptable a...
by George Richardson
Wed Nov 17, 1999 8:25 am
Forum: SD Mailing List Archive
Topic: SCI2000
Replies: 0
Views: 9954

SCI2000

Forwarded by: George P. Richardson G.P.Richardson@Albany.edu >CALL FOR PAPERS > >THE 4TH WORLD MULTICONFERENCE ON >SYSTEMICS, CYBERNETICS AND INFORMATICS >SCI2000 > >July, 23-26, 2000 > >Orlando, Florida(USA) >Sheraton World > >http://www.iiis.org > > >Honorary Presidents: Bela Banathy, Stafford Bee...