NAME
i.theilsen - Computes Theil-Sen estimator from spectrum.
KEYWORDS
imagery,
Theil-Sen,
Estimator,
Mann-Kendall
SYNOPSIS
i.theilsen
i.theilsen --help
i.theilsen group=name subgroup=name output=name mannkendall=name [--overwrite] [--help] [--verbose] [--quiet] [--ui]
Flags:
- --overwrite
- Allow output files to overwrite existing files
- --help
- Print usage summary
- --verbose
- Verbose module output
- --quiet
- Quiet module output
- --ui
- Force launching GUI dialog
Parameters:
- group=name [required]
- Name of imagery group
- subgroup=name [required]
- Name of imagery subgroup
- output=name [required]
- Name of Theil-Sen slope map
- mannkendall=name [required]
- Name of Mann-Kendall test map
i.theilsen
A method for robust linear regression.
Output is the median slope from all pairs slopes.
It is known for its resistance to outliers.
REFERENCES
https://en.wikipedia.org/wiki/Theil-Sen_estimator
Yann Chemin, IWMI, Sri Lanka.
Last changed: $Date: 2015-01-16 09:35:04 +0100 (Fri, 16 Jan 2015) $
SOURCE CODE
Available at: i.theilsen source code (history)
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GRASS Development Team,
GRASS GIS 7.4.1svn Reference Manual