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Quiz on Spatial Data Analysis

Authored by Maya Kumari

Geography

University

Quiz on Spatial Data Analysis
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21 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is a characteristic of raster analysis?

Geographic units do not require value assignment

Geographic units are irregularly spaced

Geographic units are referenced by row and column positions

Geographic units vary in size and shape

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What does NODATA cells refer to?

Cells containing zero value

Cells with no available data

Cells with negative values

Cells with positive values

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which of the following is an advantage of raster format?

All data is always available

No data redundancy

Efficient processing due to regular spacing

High resolution is always guaranteed

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is a disadvantage of using raster data?

Flexible resolution

High accuracy

Data redundancy

Easy to process

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What type of function does Map Algebra NOT include?

Local functions

Temporal functions

Focal functions

Zonal functions

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the purpose of reclassification in raster analysis?

To increase data complexity

To change cell values based on rules

To eliminate NODATA cells

To create new raster formats

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which operation is NOT a local function?

Focal sum

Arithmetic operations

Reclassification

Statistical summary

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