Midterm Exam

AWER 5930/6930

Spring 2003
Due March 8

1.

(30 points) Consider a data set of point readings taken recently in Piute County, Utah (found at /home/sanduku/classes/5930/readings and /home/sanduku/classes/5930/piute; the coverages are in UTM projection). You can use a quadrat analysis to find if the points are randomly distributed in the county or not. Determine if the points are randomly distributed using at least three different quadrat sizes (for example, 2000, 5000, and 10,000 m resolution).

(a): If you really wish to find concentrations, which is the best quadrat size to use?
(b): What else affects your conclusions besides quadrat size?

2.

(30 points) Consider a census tract map of Utah (found at /home/sanduku/classes/5930/census).

(a): Are the census tracts autocorrelated according to 1996 population?
(b): Are the tracts autocorrelated according to population density?

3.

(20 points) Consider the following network diagram. Compute the following summary statistics:

(a): Network Diameter
(b): $\gamma$ index
(c): $\alpha$ index
(d): Connectivity matrix T

4.

(20 points) Consider the road network posted in /home/sanduku/classes/5930/mainroads. Assuming that all the nodes in the coverage are true network nodes, compute the following summary statistics:

(a): Network Diameter
(b): $\gamma$ index
(c): $\alpha$ index
(d): Connectivity matrix T

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Midterm Exam

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