
Spatial Statistics Review
Authored by Maira Ejaz
Geography
University
Used 3+ times

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15 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which of the following can't be done with spatial statistics?
interpolating unknown values
calculating correlation between points
analyzing categorical data
calculating variation between points
Answer explanation
Spatial statistics only works with continuous data. To analyze categorical data, you'd use landscape metrics.
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
According to Tobler's First Law of Geography, the red point in this image is most closely related to the ___ point.
green
blue
purple
Answer explanation
Tobler's Law states that everything is related to everything else, but near things are more related than distant things.
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which diagram demonstrates zero spatial correlation?
a
b
c
Answer explanation
- Diagram A shows positive spatial correlation because similar values are clustered.
- Diagram B shows negative spatial correlation because similar values are dispersed.
- Diagram C shows zero spatial correlation because there is no clear pattern.
- Diagram A shows positive spatial correlation because similar values are clustered.
- Diagram B shows negative spatial correlation because similar values are dispersed.
- Diagram C shows zero spatial correlation because there is no clear pattern.
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Falsely assuming that your data is spatially independent increases the risk of:
getting an error in ArcGIS
finding statistically significant results where none exist (Type 1 Error)
failing to find statistically significant results where they do exist (Type 2 Error)
Answer explanation
Analyzing your data without accounting for potential spatial dependence increases the risk of Type 1 Errors, or incorrectly finding statistically significant results.
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
If you want to analyze a landscape at a scale of 100 meters, what should the resolution of your data be?
less than or equal to 100 meters
150 meters
200 meters
greater than 300 meters
Answer explanation
Resolution, or the distance between data points, should be less than or equal to the scale at which you will analyze your data.
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
If you want to analyze a landscape at a scale of 100 meters, what should the extent of your data be?
50 meters
100 meters
150 meters
200 meters
Answer explanation
Extent should be twice the scale at which you will analyze your data.
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
When you determine that your data is spatially autocorrelated, you can prove causality between variables.
True
False
Answer explanation
Spatial autocorrelation does not imply causation.
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