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I always start here:

Hanneman, Robert A. and Mark Riddle.  2005.  _Introduction to social 
network methods._  Riverside, CA:  University of California, Riverside ( 
published in digital form at http://faculty.ucr.edu/~hanneman/nettext/ 
<http://faculty.ucr.edu/%7Ehanneman/> )

Best,
Nick


Nick Guenther wrote:

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>
>Dear networkers,
>
>I've looked around but can't find anywhere the precise mathematical
>definition of many network measures. The article
>http://en.wikipedia.org/wiki/Social_network is missing many pieces of
>information and skimps on the math, and no where else gives a complete
>list.
>
>I realize that this information is probably in references like "Social
>Network Analysis: Methods and Applications" but I do not have access
>to them (the toronto reference library doesn't have much on SNA, and I
>can't get to the guelph university library anytime soon).
>
>So, I'm looking for the actual formulas for these measures and
>concepts (and any other measures I missed):
>
>Betweenness
>Closeness
>Degree
>Eigenvector Centrality
>Clustering Coefficient  - this is sort of like the standard deviation
>of networks, right?
>Cohesion
>Constraint
>Contagion
>Density
>Integration
>Group degree centralisation
>Radiality
>Reach
>Structural Equivalence
>Structural Hole
>
>Out of curiousity, I also wonder if there is a name for the measure
>that counts a node's importance by calculating the importance of all
>connected nodes? Or if there is any sort of measure that steps
>outwards into the network, weighting nodes each further step out less?
>
>Thank you for all the great resources that have already come from this list,
>-Nick Guenther
>Grade 12 Student
>Ontario, Canda
>
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>

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