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Topic: statistics

i.cca Canonical components analysis (CCA) program for image processing.
r.clump Recategorizes data in a raster map by grouping cells that form physically discrete areas into unique categories.
r.coin Tabulates the mutual occurrence (coincidence) of categories for two raster map layers.
r.covar Outputs a covariance/correlation matrix for user-specified raster map layer(s).
r.cross Creates a cross product of the category values from multiple raster map layers.
r.kappa Calculates error matrix and kappa parameter for accuracy assessment of classification result.
r.mode Finds the mode of values in a cover map within areas assigned the same category value in a user-specified base map.
r.quant Produces the quantization file for a floating-point map.
r.regression.line Calculates linear regression from two raster maps: y = a + b*x.
r.regression.multi Calculates multiple linear regression from raster maps.
r.report Reports statistics for raster maps.
r.statistics Calculates category or object oriented statistics.
r.stats Generates area statistics for raster map.
r.stats.quantile Compute category quantiles using two passes.
r.stats.zonal Calculates category or object oriented statistics (accumulator-based statistics).
r.support.stats Update raster map statistics
r.univar Calculates univariate statistics from the non-null cells of a raster map.
r3.stats Generates volume statistics for 3D raster maps.
r3.univar Calculates univariate statistics from the non-null cells of a 3D raster map.
v.kcv Randomly partition points into test/train sets.
v.normal Tests for normality for vector points.
v.outlier Removes outliers from vector point data.
v.qcount Indices for quadrat counts of vector point lists.
v.univar Calculates univariate statistics of vector map features.

See also the corresponding keyword statistics for additional references.


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