Miscellaneous Quiz / Geography 265 Test2

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Can you name the Geography 265 Test2?

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Points are grouped together
Global Effect. Characteristic of Entire data set. measures of Cent. Tendency
All members, observations or events in a group
Allows us to reject or fail to reject the null hypothesis
Information about your datafile. Guide to data layer
initial guess or educated guess
based on dist between points. finds location that is shortest dist away from existing pts in data set
Grid system, block, good for cities distance of driving distance.
a degree of closeness of measurements of a quantity to its true value. how well GIS data reps real world data
Speling sensitivity, min match score, min candidate score
Represents actual travel distance or straight-line distance
describes distance from mean in units of Standard Deviation. Used if pop. parameters are know
Spatial Analysis
Uses probability theory to collect or interpret quantitative data
Po box, vantity address, new address on new streets are reasons why
Likelihood of an event occurring
Spread of points away from mean center and returns a circle with radius of 1 SD
adjust manipulate data so that comparisons can be done. Take one variable and divide by a 2nd variable
Example student to classes they take
Used with samples and prob is between 0 and 1. Small p-value less likely the null hyp is correct
there is no significant difference between groups and 2 groups have the same means
Example land parcel to zoning type
Aka z score. Displays a bell shaped curve
Streets broken up into sections, range of addresses
Points are located away form each other
link between addresses and background reference streets file
Degreee to which repeated measures under unchanged conditions show the same result. Level of measure
What includes age, spatial reference, description, updated info, publicationdate, contact name
What saves time&money, answers questions, legal protection, and investment in data
Est. access to 2nd table, but does not physically attach them
Physically attach an external table to your attribute table
Example Speed limits to states
Tells us whether pts. are clustered, disbursed, or randomly dist.
Local effect. variations within data set. Loal clusters or hotspots. measure of range or dispersion
Shows both clustering and dispersion
Example city to population
Works along xy axis. inc direction. can see directional trends in data. defined oval for strong direct. comp.
Create or find suitable address locator, address parsed, addresses given standard abbrv., reference file search
one to many, many to many
Tabular data addresses, background or ref file, some way of connecting 1&2, roles or cirteria for address matching
one to one, many to one
subset of a population
patterns and relationships of pt. data over space. pts can be clustered dispersed or rand distributed
Taking no spatial data and creating a geographical rep
Most centrally located feature in an existing dataset
Location of average x and y coordinates

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