Statistics for Grids from Files

Author: O.Conrad (c) 2018
Menu: Spatial and Geostatistics | Grids | Massive Data Analysis

Description

Calculates statistical properties (arithmetic mean, minimum, maximum, variance, standard deviation) for each cell position for the values of the selected grids. This tool works file based to allow the processing of a large number of grids.

Parameters

	Name	Type	Identifier	Description	Constraints
Output	Number of Values	grid, output	`COUNT`	-	-
	Minimum	grid, output	`MIN`	-	-
	Maximum	grid, output	`MAX`	-	-
	Range	grid, output	`RANGE`	-	-
	Sum	grid, output	`SUM`	-	-
	Sum of Squares	grid, output	`SUM2`	-	-
	Arithmetic Mean	grid, output	`MEAN`	-	-
	Variance	grid, output	`VAR`	-	-
	Standard Deviation	grid, output	`STDDEV`	-	-
	Histogram	grid collection, output	`HISTOGRAM`	-	-
	Percentiles	grid list, output, optional	`QUANTILES`	-	-
Options	Grid System	grid system	`GRID_SYSTEM`	-	-
	Grid Files	file path	`FILES`	-	-
	Number of Classes	integer number	`HCLASSES`	-	Minimum: 2 Default: 20
	Range	choice	`HRANGE`	Minimum and maximum values used to define the histogram classes.	Available Choices: [0] overall [1] cell Default: 1
	Cumulative	boolean	`CUMULATIVE`	-	Default: 0
	Percentiles	text	`QUANTVALS`	Separate the desired percentiles by semicolon	Default: 5; 25; 50; 75; 95

Command Line

Usage: saga_cmd statistics_grid 16 [-COUNT ] [-MIN ] [-MAX ] [-RANGE ] [-SUM ] [-SUM2 ] [-MEAN ] [-VAR ] [-STDDEV ] [-HISTOGRAM ] [-FILES ] [-HCLASSES ] [-HRANGE ] [-CUMULATIVE ] [-QUANTILES ] [-QUANTVALS ]
  -COUNT:     	Number of Values
	grid, output
  -MIN:       	Minimum
	grid, output
  -MAX:       	Maximum
	grid, output
  -RANGE:     	Range
	grid, output
  -SUM:       	Sum
	grid, output
  -SUM2:      	Sum of Squares
	grid, output
  -MEAN:      	Arithmetic Mean
	grid, output
  -VAR:       	Variance
	grid, output
  -STDDEV:    	Standard Deviation
	grid, output
  -HISTOGRAM: 	Histogram
	grid collection, output
  -FILES:     	Grid Files
	file path
  -HCLASSES:  	Number of Classes
	integer number
	Minimum: 2
	Default: 20
  -HRANGE:    	Range
	choice
	Available Choices:
	[0] overall
	[1] cell
	Default: 1
  -CUMULATIVE:	Cumulative
	boolean
	Default: 0
  -QUANTILES: 	Percentiles
	grid list, output, optional
  -QUANTVALS: 	Percentiles
	text
	Default: 5; 25; 50; 75; 95