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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 ...
Sina NAKHOSTIN's user avatar
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1 answer
197 views

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 ...
YX Zhao's user avatar
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1 answer
383 views

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 ...
Matt's user avatar
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1 answer
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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 ...
wesleysc352's user avatar
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1 answer
321 views

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 ...
golrock's user avatar
  • 77
1 vote
2 answers
946 views

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 ...
Paulito.Bandito's user avatar
0 votes
1 answer
597 views

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 ...
Riccardo Ferri's user avatar
4 votes
1 answer
2k views

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 ...
Simon's user avatar
  • 71
2 votes
0 answers
677 views

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 = ...
Mayan19's user avatar
  • 123