GRASS logo

Note: This document is for an older version of GRASS GIS that will be discontinued soon. You should upgrade, and read the current manual page.

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

Table of contents

DESCRIPTION

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.

NOTES

REFERENCES

https://en.wikipedia.org/wiki/Theil-Sen_estimator

AUTHOR

Yann Chemin, IWMI, Sri Lanka.

SOURCE CODE

Available at: i.theilsen source code (history)

Latest change: Monday Jan 30 19:52:26 2023 in commit: cac8d9d848299297977d1315b7e90cc3f7698730


Note: This document is for an older version of GRASS GIS that will be discontinued soon. You should upgrade, and read the current manual page.

Main index | Imagery index | Topics index | Keywords index | Graphical index | Full index

© 2003-2023 GRASS Development Team, GRASS GIS 8.2.2dev Reference Manual