All Questions
Tagged with confusion-matrix google-earth-engine
9 questions
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39
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GEE: casting confusionmatrix as list
After reading this question and the corresponding answer, I tried to get a confusion matrix produced by GEE random forrest classifier and turn it into a good looking table. I realized that GEE has a ...
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1
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197
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Accuracy of Confusion Matrix in Google Earth Engine
I want to check the classification accuracy using the confusion matrix in GEE, but I run into some problems.
I generate some random points of known classification types and want to use them to check ...
0
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1
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383
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Extracting confusion matrix values in GEE
I am training a random forest model in Google Earth Engine, and I want to output the confusion matrices so I know which classes are being confused for which.
By default, the confusion matrix is ...
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1
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442
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In Google Earth Engine (GEE) what is the difference between ConfusionMatrix() and errorMatrix()?
In the process of evaluating the classification of a satellite image, it is verified that the GEE has two available commands: ConfusionMatrix() and errorMatrix(). In some literature I see that both ...
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1
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What's the use of ImageCollection.errorMatrix() in Google Earth Engine?
In the docs there are two versions of the errorMatrix function:
ee.FeatureCollection.errorMatrix
and
ee.ImageCollection.errorMatrix
I've been sampling points from my classified images to create error ...
1
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2
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946
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Creating formatted chart for Confusion Matrix using Google Earth Engine
I was curious how to create a formatted Confusion Matrix: (https://developers.google.com/earth-engine/apidocs/ee-confusionmatrix)
I've completed my Supervised Classification, and I've created a ...
0
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1
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597
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Accuracy assessment in GEE with an external data source
I'm new on GEE and I'm trying to perform an accuracy assessment of a supervised classification from S1 of a flood area, by the use of a confusion matrix.
Once the model is created, in order to ...
4
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1
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2k
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Splitting up a region into training data and validation data for Landsat7 classification
I am building a classifier for Landsat7 by using MODIS land cover classification.
My goal is to split up my region of interest into 80% being training data and 20% being validation data (with a ...
2
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0
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677
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Confusion matrix from supervised learning
I am performing a supervised classification in GEE and want to verify how well my classifier has got trained.
For this, I found a method confusionMatrix() and my respective program is
var training = ...