92

Community Analysis Package

17.21 Average

This is a variant on the 

Euclidean distance

91

 given by:

Notation as for the Euclidean measure.

17.22 Chord

This is a

Euclidean distance

91

 measure after normalization of each sample vector

to unit length. Thus, differences caused by the relative magnitudes of the number

of individuals in each sample are removed from the comparison.

The measure is:

17.23 Geodesic

This is related to the 

Chord distance

92

, as follows:

where D

3

 is the Chord distance.

17.24 Manhattan

This measure is also known as the taxicab or city block metric and is calculated

as follows:

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