Man page - gbnlreg(1)
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apt-get install gbutils
Manual
| GBNLREG(1) | User Commands | GBNLREG(1) |
NAME
gbnlreg - Non linear regression
SYNOPSIS
gbnlreg [options] <function definition>
DESCRIPTION
Non linear least square regression. Read data in columns (X_1 .. X_N). The model is specified by a function f(x1,x2...) using variables names x1,x2,..,xN for the first, second .. N-th column of data. f(x1,x2,...) are assumed i.i.d.
OPTIONS
- -O
- type of output (default 0)
- 0
- parameters
- 1
- parameters and errors
- 2
- <variables> and residuals
- 3
- parameters and variance matrix
- 4
- parameters, errors and s-scores
- -V
- variance matrix estimation (default 0)
- 0
- <gradF gradF^t>
- 1
- < J^{-1} >
- 2
- < H^{-1} >
- 3
- < H^{-1} J H^{-1} >
- -v
- verbosity level (default 0)
- 0
- just results
- 1
- comment headers
- 2
- summary statistics
- 3
- covariance matrix
- 4
- minimization steps
- 5
- model definition
- -M
- estimation method (default 0)
- 0
- ordinary least square (OLS)
- 1
- minimum absolute deviation (MAD)
- 2
- asymmetric MAD
- -e
- minimization tolerance (default 1e-5)
- -i
- minimization max iterations (default 500)
- -E
- restart accuracy (default 1e-5, ignored with option -M 0)
- -I
- restart max iterations (default 2000, ignored with option -M 0)
- -F
- input fields separators (default " \t")
- -h
- this help
AUTHOR
Written by Giulio Bottazzi
REPORTING BUGS
Report bugs to <gbutils@googlegroups.com>
Package home page <http://cafim.sssup.it/~giulio/software/gbutils/index.html>
COPYRIGHT
Copyright © 2001-2018 Giulio Bottazzi This program is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License (version 2) as published by the Free Software Foundation;
This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details.
| June 2021 | gbnlreg 6.2 |