gbnlqreg(1)

gbnlqreg1

Non linear quantile regression

Usage

gbnlqreg [options] <function definition>

Overview

Non linear quantile 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

-V

variance matrix estimation (default 0)

0 <gradF gradF^t> 1 < J^{-1} > 2 < H^{-1} > 3 < H^{-1} J H^{-1} >

-q

set the quantile (default .5)

-M

choose optimization method (default 0)

0

Nelder-Mead Simplex o(N)

1

Nelder-Mead Simplex o(N^2)

-s

initial simplex scaling (default 1)

-e

minimization tolerance (default 1e-5)

-F

input fields separators (default " \t")

-h

this help

-v

verbosity level (default 0)

0

just results

1

comment headers

2

summary statistics

2

summary statistics

3

covariance matrix

4

minimization steps

5

model definition

-N

max minimization steps (default 500)

Releases

5 releases since Debian 9 (Stretch); the text changed 3 times.

  1. 9
  2. 10
  3. 11
  4. 12–13

Author

Written by Giulio Bottazzi

Reporting bugs

Report bugs to <[email protected]>

Package home page <http://cafim.sssup.it/~giulio/software/gbutils/index.html>

From gbutils 6.3-1+b1 in Debian 13 (Trixie). Parsed by carta from the page's man source.