Changes in version 0.4.0 (2026-05-07) Major changes - ssim_bandwidth(): redesigned with transform, option arguments and bias-variance trade-off plots. - ssim_polygon() and ssim_raster(): added permutation testing (do_test, R, fdr, alpha, seed) and FDR-corrected local p-values. Breaking changes - Removed ssim_constant(). Constants k1 and k2 are now arguments of ssim_polygon(). New data - Added Toronto_SSIM, fwi_0816_bc, fwi_0818_bc, fwi_1101_bc. New data - Added Toronto_SSIM (sf polygon object). - Added fwi_0816_bc, fwi_0818_bc, fwi_1101_bc (packed terra rasters of BC Fire Weather Index for Aug 16, Aug 18, and Nov 1, 2023).