Provided by: grass-doc_7.0.3-1build1_all 
Topic: statistics
Note: see also the corresponding keyword statistics for additional references.
d.correlate Prints a graph of the correlation between raster maps (in
pairs).
db.univar Calculates univariate statistics on selected table column.
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.reclass.area Reclasses a raster map greater or less than user specified
area size (in hectares).
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.
t.rast.univar Calculates univariate statistics from the non-null cells for
each registered raster map of a space time raster dataset.
t.rast3d.univar Calculates univariate statistics from the non-null cells for
each registered 3D raster map of a space time 3D raster
dataset.
t.vect.univar Calculates univariate statistics of attributes for each
registered vector map of a space time vector dataset
v.db.univar Calculates univariate statistics on selected table column
for a GRASS vector 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.rast.stats Calculates univariate statistics from a raster map based on
a vector map and uploads statistics to new attribute
columns.
v.univar Calculates univariate statistics of vector map features.
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© 2003-2016 GRASS Development Team, GRASS GIS 7.0.3 Reference Manual