Accuracy assessment


I see none of the accuracy assessment plug-in are working, neither in version nor in version 3 of QGIS. How can I generate error matrix in QGIS?

Thank You

The AcATaMa plugin is great:

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How about SNAP? Is it possible to do so in SNAP? I’ve downloaded the AcATaMa plug-in as you mentioned and did get a error matrix but doesn’t seem convincing to me.

SNAP does currently not support Accuracy Assessment. The AcATaMa is the best (free one) I know.