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Topic: statistics

       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.

       See also the corresponding keyword statistics for additional references.

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       © 2003-2019 GRASS Development Team, GRASS GIS 7.6.1 Reference Manual