Search found 6 matches
- Mon Mar 13, 2006 12:07 pm
- Forum: SD Mailing List Archive
- Topic: Explaining Validation
- Replies: 11
- Views: 11835
Explaining Validation
Posted by George Richardson <gpr@albany.edu> I'm a little late seeing these posts, but if it helps anyone, there's a PowerPoint presentation among my papers on line http:// www.albany.edu/~gpr/Papers.html containing the slides from a talk on Validation as an Integrated Social Process. The slides are...
- Mon Oct 24, 2005 3:08 pm
- Forum: SD Mailing List Archive
- Topic: Loop Dominance in CLDs
- Replies: 2
- Views: 4638
Loop Dominance in CLDs
Posted by George Richardson <gpr@albany.edu> On Oct 22, 2005, at 7:09 AM, Louis Macovsky dynbiosys verizon.net wrote: >> How do you in your practice of causal loop diagramming with clients >> convey the concept that i.e. Loop Y is not activated until some >> threshhold is reached in Loop X? Without ...
- Fri Oct 21, 2005 11:32 am
- Forum: SD Mailing List Archive
- Topic: MIN/MAX Functions
- Replies: 8
- Views: 15242
MIN/MAX Functions
Posted by George Richardson <gpr@albany.edu> On Oct 19, 2005, at 6:18 AM, geoff coyle geoff.coyle btinternet.com wrote: >> It should be (using my variable names) >> >> rate_of_winning_customers=MIN >> (normal_rate_of_winning_customers,potential_customers/dt) >> normal_rate_of_winning_customers=5 >> ...
- Tue Sep 20, 2005 11:51 am
- Forum: SD Mailing List Archive
- Topic: Order of a system
- Replies: 6
- Views: 7758
Order of a system
Posted by George Richardson <gpr@albany.edu> On Sep 19, 2005, at 6:14 AM, geoff coyle geoff.coyle btinternet.com wrote: >> Bill's first paragraph is correct. The order of a model is the number >> of stocks it contains. Not quite. Should be ""...the number of *independent* stocks it contain...
- Sun Sep 18, 2005 1:02 pm
- Forum: SD Mailing List Archive
- Topic: All models are wrong (was Strategy magazine article about Ja
- Replies: 16
- Views: 16683
All models are wrong (was Strategy magazine article about Ja
Posted by George Richardson <gpr@albany.edu> I tend never to say ""all models are wrong."" My problems with the statement are that the people I'm speaking with don't usually have the same meanings and attributions to the word ""model"" that I have, or that Joh...
- Wed Jan 19, 2005 11:26 am
- Forum: SD Mailing List Archive
- Topic: Models and Science
- Replies: 20
- Views: 45964
Models and Science
Posted by George Richardson <gpr@albany.edu> >> Posted by <heffron@hialoha.net> >> First of all, labeling people ""environmentalists"" or ""non-environmentalists"" >> (i.e., implied: ""realists"") is -if not unnecessary- just plain dumb. Re...