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Questions tagged [average]

The tag has no usage guidance.

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29 views

Calculate mean value of spatial data across raster

I have a list "s" containing information on the probable locations of many animals in South America. For example, this is the type of stored information and what it looks like when plotted for the ...
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1answer
37 views

Calculating meshes average within boundary?

I have mesh data of elevations. Each mesh has a value of elevation (e.g. 87, 60, 33, ...). And I also have data of administrative boundaries. I want to calculate the average of each administrative ...
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22 views

Polygon interpolation neighbour average?

I am trying to estimate empty values based on a polygon layer we received from another study. Is there a way to calculate an average value for polygon A based on neighbours B,C, etc that border it? I ...
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160 views

Creating heat map from polygon layer in QGIS

I have census data formatted as 5000+ small polygons of areas with average values attached to them. When I map this directly, it is hard to read, because some of the areas are very small. So I want to ...
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1answer
81 views

Weighted Average of Band Based on another Band in Image Collection [Google Earth Engine]

Using monthly VIIRS data, I'm trying to estimate a weighted average of radiance where I want to weight by the number of cloud free days. Each image in the image collection has two bands: "avg_rad" ...
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1answer
101 views

GEE: apply ee.Reducer.mean to a list

After classification of an image in GEE, I got 2 lists of user's and producer's accuracies (1*7 and 7*1 dimensions). How can I calculate an average value for each of them now? print('Validation ...
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38 views

Average speed of an osm file [duplicate]

I imported an osm file of San Francisco to postgreSQL in order to calculate the cost of each edge, but the formula that i found needs to get the average speed of each road segment. I didn't found any ...
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0answers
72 views

How to smooth a classified raster layer in QGIS?

In QGIS 3.0.2, I want to smooth a reclassified raster layer by r.neighbor tool. In this process I use average operation. The raster layer created from this tool is empty. I tested this process with ...