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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© 2003-2020 GRASS Development Team, GRASS GIS 7.9.dev Reference Manual