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