hi everyone!

[Thị Thanh Khang Trần]

Hello everyone!
I'm having problem building error matrix and evaluating accuracy with unsupervised classifier on google earth engine. The crime has been corrected many times but it does not work. Can anyone help me?

Here my code: https://code.earthengine.google.com/2517b2ed76c527b103837e06bcffd3c7

[Jyoti]

Hi,

The errormatrix function works on a classifier and not a clusterer. You would need to have a feature collection with ground truth samples to perform accuracy assessment in this case. These ground truths can either be picked manually or from already existing classifications. 

Hope this helps :)

Best,
Jyoti

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