Section 8 – Ec1818 Jeremy Barofsky [email protected] March 31 st and April 1 st , 2010. Section 8 Outline (lectures 15, 16). Social Network Introduction Types of Networks / Graphs Random Regular Small-world Erdos / Bacon Numbers Review Questions? Evaluations
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1) Of those letters that found destination, average path length 5.5-6.
2) Significant selection bias – in one experiment 232 of 296 were not sent on.
3) Most of cards given to target through a few people. Experiment with 160 packages sent, 24 reached target at his home and 16 of these were given to target by one person (nodes in network).
-Reasons for under-estimate or over-estimate of avg. path length?