Module 2 Quiz (GEE Dynamic World)

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This is a short quiz to test your understanding of concepts covered in Module 2 of GEE Dynamic World.

- Each question carries 2 point.
- You will see the results immediately after submitting the quiz.

You have a program that determines whether a pixel is water or not using Dynamic World 'water' values. If water probability is > 0.5 it classifies the pixel as water. What type of system is this? *

2 points

Machine Learning

Expert System

Ensemble Learning

Select all statements that are true for Random Forest algorithm
*

2 points

It is an ensemble learning algorithm

It is an unsupervised learning algorithm

It can be used for regression as well as classification

It uses Decision Trees

Required

Select all metrics that can be used to assess the quality of the supervised classification results? *

2 points

F1-score

Producers Accuracy

Precision and Recall

Consumers Accuracy

Required

What function is used to calculate area of a polygon in GEE? *

2 points

area()

ee.Image.pixelArea()

reduceRegion()

polygonArea()

Required

How would you overcome a 'Too many pixels in the region' error in GEE? *

2 points

Set a higher value for 'tileScale'

Set a higher value for 'scale'

Set a higher value for 'maxPixels'

Set a higher value for 'limit'

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