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Creating Models from Scratch 

Donella Meadows
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Dartmouth College, Hanover, New Hampshire, Spring of 1977. In this lecture, Donella Meadows has a lively discussion with her students at Dartmouth College as they create a model to express the relationship between epidemic diseases and mosquitoes. Donella engages with her students and reminds them that they can make models however they want. Models never express the full complexity of real systems; they will always have some simplification.
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RU-vid videos covered by CCBY license and uploaded with permission from the Rauner Special Collections Library at Dartmouth College.

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10 авг 2017

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Комментарии : 21   
@sempris
@sempris 3 года назад
Her timeliness is simply impressive. This channel deserves a Nobel Prize!
@ScienceandArtofPublicHealth
@ScienceandArtofPublicHealth 2 года назад
***Really interesting but need to start watching at*** Nice first principles discussion of understanding and creating a model of how an infection spreads in a population (epidemic model). 1. 06:55 Discusses how to make and educated guess at drawing out a graph of infections and deaths for an infectious disease. 2. 10:46 Class discussion that develops on blackboard a simple causal diagram and model of yellow fever, mosquitos, vulnerable uninfected people, infected people, people who die from infection and wider environmental factors e.g. weather. 3. 30:00 More detailed formal model that includes delay times i.e. incubation periods. Developed by the teacher/lecturer, Donella, outside of the class. 4. 33:37 DYNAMO more realistic graphs of infected population and. Deaths over time. 5. 34:20 Explanation of the equations used in the DYNAMO model that the teacher/lecturer has developed outside of class.
@kobac8207
@kobac8207 2 года назад
She was so lovely and caring human being... I'm so glad I have a privilege to learn from her thought process and facilitation. Thank you so much for making this available to us.
@TomFiddaman
@TomFiddaman 5 лет назад
Start around 6:38 if you want to skip the initial discussion of the Dynamo CLIP function (though that has some interesting discussion of policy formulation).
@herbertdaly5190
@herbertdaly5190 2 года назад
Total hero of mine. A gateway to many different subjects. Electronic Oracle is an underrated classic. That said; is it just me or is there a hint of Princess Leia in that 1977 look she's sporting?
@julioivanmaciascarrera9310
@julioivanmaciascarrera9310 2 года назад
nah i have the same feeling of her looks
@BenyaminLimanto
@BenyaminLimanto 3 года назад
TBH, this's really fun, I hope I have chance to sit in and interact with the professor. Thank you for sharing this course for free. 🙏🙏
@sebastienleblanc5217
@sebastienleblanc5217 4 года назад
Excellent professor! The students really get engaged, I wish I had that, in my classes people are on their phones or watching the professor looking bored af
@BenyaminLimanto
@BenyaminLimanto 3 года назад
Yeah... this era really, really... change us..
@ayaelzarka4426
@ayaelzarka4426 2 года назад
Thank you
@boliu9340
@boliu9340 4 года назад
very clear
@JS-tb9sn
@JS-tb9sn 3 года назад
Is there another lecture available with Donella talking more in-depth about using random variables in SD models?
@gkusanagi
@gkusanagi Год назад
Genius.
@remerdebelle2775
@remerdebelle2775 3 года назад
Her voice really reminds me of Amy Adams
@drilldrulus1235
@drilldrulus1235 Год назад
menneske populasjonen er konstant
@drilldrulus1235
@drilldrulus1235 Год назад
Konstant fødselsrate mygg
@drilldrulus1235
@drilldrulus1235 2 года назад
General behavior I dont need accurate numbers
@berttheace
@berttheace 3 года назад
Population is the keyword : YES WE CAN 2016 - 2116 is an encouragement for mankind to save a sustainable biosphere on earth by a free decision for OneChildPolicy. To reduce worldpopulation from 7.4 Billion in 2016 to the tolerable size of TWO Billion (2x10^9) according to ecological research e. g. Donella and Dennis Meadows ('Beyond the Limits'), Stanford- University of California (Biologist Paul R. Ehrlich, 'The Population Bomb') and the BertTheAce Research-Institute for Ecology (Foundation, 'World Biosphere') we need FOUR Generations (100 years) of OneChildPolicy worldwide on a free decision. If we succeed with worldwide OCP for the coming 100 years, mankind has a good chance to reach a balance between consumption of natural resources, pollution and recovery of a sustainable biosphere for thousands of generations.......and isn't the care for our biosphere on earth a better option for mankind, than to try to escape to Mars, who did already loose his biosphere ? HISTORY will CONFIRM BertTheAce and his MASTERPLAN 'YES WE CAN 2016 - 2116' Link: ru-vid.com/video/%D0%B2%D0%B8%D0%B4%D0%B5%D0%BE-i48bb22fPdI.html
@AudioPervert1
@AudioPervert1 Год назад
This should be taught / explained to school kids at an early stage! The future generations are the product of overshoot and torchbearers of Collapse. She did a great favor to humanity ...
@blackbirdpie217
@blackbirdpie217 4 года назад
I came here to learn how to scratchbuild models and learned how to kill deer.
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