June 2017
Beginner
428 pages
10h 2m
English
Content preview from Practical GIS
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Building your models
Congratulations on your first analysis! It was quite an adventure, right? What we've done is more than mere spatial analysis. We conceptualized a model, and made an analysis according to that. Our model stated that the vicinity of the requested amenities and features can be translated to 500 meters. Quiet places are places which are more than 200 meters away from busy roads, and more than 500 meters away from industrial places. Are these numbers exact? Of course not. They are approximations of real-world phenomena, and therefore, models.
What happens if one of the customers says that our analysis is faulty? Some of the results are too close to noisy places, others are too far from markets. We can try some other distances ...
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