1topic_statistics(1)           Grass User's Manual          topic_statistics(1)
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Topic: statistics

6       d.correlate                                                  Prints  a  graph  of the correlation between raster maps (in
7                                                                    pairs).
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9       db.univar                                                    Calculates univariate statistics on selected table column.
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11       i.cca                                                        Canonical components analysis (CCA) program for  image  pro‐
12                                                                    cessing.
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14       r.clump                                                      Recategorizes  data  in  a raster map by grouping cells that
15                                                                    form physically discrete areas into unique categories.
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17       r.coin                                                       Tabulates the mutual occurrence (coincidence) of  categories
18                                                                    for two raster map layers.
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20       r.covar                                                      Outputs  a  covariance/correlation matrix for user-specified
21                                                                    raster map layer(s).
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23       r.cross                                                      Creates a cross product of the category values from multiple
24                                                                    raster map layers.
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26       r.kappa                                                      Calculates  error  matrix  and  kappa parameter for accuracy
27                                                                    assessment of classification result.
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29       r.mode                                                       Finds the mode  of  values  in  a  cover  map  within  areas
30                                                                    assigned  the  same  category value in a user-specified base
31                                                                    map.
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33       r.quant                                                      Produces the quantization file for a floating-point map.
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35       r.reclass.area                                               Reclasses a raster map greater or less than  user  specified
36                                                                    area size (in hectares).
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38       r.regression.line                                            Calculates  linear  regression from two raster maps: y = a +
39                                                                    b*x.
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41       r.regression.multi                                           Calculates multiple linear regression from raster maps.
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43       r.report                                                     Reports statistics for raster maps.
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45       r.statistics                                                 Calculates category or object oriented statistics.
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47       r.stats                                                      Generates area statistics for raster map.
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49       r.stats.quantile                                             Compute category quantiles using two passes.
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51       r.stats.zonal                                                Calculates category or object oriented statistics (accumula‐
52                                                                    tor-based statistics).
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54       r.support.stats                                              Update raster map statistics
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56       r.univar                                                     Calculates  univariate statistics from the non-null cells of
57                                                                    a raster map.
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59       r3.stats                                                     Generates volume statistics for 3D raster maps.
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61       r3.univar                                                    Calculates univariate statistics from the non-null cells  of
62                                                                    a 3D raster map.
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64       t.rast.univar                                                Calculates univariate statistics from the non-null cells for
65                                                                    each registered raster map of a space time raster dataset.
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68       t.rast3d.univar                                              Calculates univariate statistics from the non-null cells for
69                                                                    each  registered  3D  raster  map  of a space time 3D raster
70                                                                    dataset.
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72       t.vect.univar                                                Calculates univariate statistics of attributes for each reg‐
73                                                                    istered vector map of a space time vector dataset
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75       v.db.univar                                                  Calculates  univariate  statistics  on selected table column
76                                                                    for a GRASS vector map.
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78       v.kcv                                                        Randomly partition points into test/train sets.
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80       v.normal                                                     Tests for normality for vector points.
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82       v.outlier                                                    Removes outliers from vector point data.
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84       v.qcount                                                     Indices for quadrat counts of vector point lists.
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86       v.rast.stats                                                 Calculates univariate statistics from a raster map based  on
87                                                                    a  vector  map  and uploads statistics to new attribute col‐
88                                                                    umns.
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90       v.univar                                                     Calculates univariate statistics of vector map features.
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93       See also the corresponding keyword  statistics  for  additional  refer‐
94       ences.
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96       Main  index  |  Topics  index | Keywords index | Graphical index | Full
97       index
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99       © 2003-2019 GRASS Development Team, GRASS GIS 7.4.4 Reference Manual
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103GRASS 7.4.4                                                topic_statistics(1)