DESCRIPTION

r.regression.line Calculates linear regression from two raster maps, according to the formula y = a + b*x, where x and y represent raster maps. Optionally saves regression coefficients to an ASCII file.

EXAMPLE

Comparison of the old and the new DEM in Spearfish:

g.region rast=elevation.10m
r.regression.line elevation.dem map2=elevation.10m

AUTHOR

Dr. Agustin Lobo - alobo@ija.csic.es
Updated to GRASS 5.7 Michael Barton, Arizona State University

Last changed: $Date$