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http:// www.wordle.net. The Bucket Brigade. The Telephone Tree. The Military Squad. The simplest natural network is a dyad or pair. Dyads agglomerate to form large interconnected webs. Finding Mr./Ms. Right How Many Dates Does it Take?. 2 in 3. Obesity in Framingham.
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The simplest natural network is a dyad or pair Dyads agglomerate to form large interconnected webs
Homophily(selection effects) False positive Contextual effects (omitted variables) Influence (induction) Causes of Clustering
Friend, Spouse Ties • Sibling Ties • Unhappy • Neutral • Happy • Women • Men Happiness in Framingham
Three Degrees of Influence • Obesity • Smoking • Happiness • Loneliness • Drinking • Depression • Cooperation • Piano teacher referrals • Inventor ideas
Homo Sapiens (150) Intrinsic Decay Network Instability Evolutionary Purpose Three Reasons for Three Degrees
Smilers Non Smilers
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