kappa_index
Kappa index
Math
https://www.whiteboxgeo.com/manual/wbw-user-manual/book/tool_help.html#kappa_index
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QgsProcessingParameterRasterLayer|reference_raster2|Reference raster (Raster)|None|False
QgsProcessingParameterFileDestination|output_html_file3|Output html file (str)|HTML files (*.html)|None|False
