This is the command gbnlreg that can be run in the OnWorks free hosting provider using one of our multiple free online workstations such as Ubuntu Online, Fedora Online, Windows online emulator or MAC OS online emulator
PROGRAM:
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
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