Man page - gbker2d(1)
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apt-get install gbutils
Manual
| GBKER2D(1) | User Commands | GBKER2D(1) |
NAME
gbker2d - Kernel density estimate for bivariate data
SYNOPSIS
gbker2d [options]
DESCRIPTION
2D kernel density estimation on an equispaced grid. Data are read from standard input as couple (x,y). The kernel bandwidth if not provided with the option -H is set automatically. Different bandwidths can be specified for x and y.
OPTIONS
- -n
- number of points where the density is computed (default 10) use comma (,) to specify different values for x and y components
- -H
- set the kernel bandwidth explicitly; use comma (,) to specify different values for x and y components
- -S
- scale the kernel bandwidth with respect to euristic 'optimal' value; use comma (,) to specify different values for x and y components
- -K
- choose the kernel to use: 0: Epanenchnikov 1: Rectangular 2: Silverman type 1 3: Silverman type 2 (default 0)
- -D
- switch off data de-variation procedure
- -v
- verbose mode
- -F
- specify the input fields separators (default " \t")
- -h
- this help
EXAMPLES
- gbker2d -n 10,20 -K 1 < file
- compute the kernel on an equispaced grid 10x20 using a rectangular kernel
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.
| October 2018 | gbker2d 6.0.beta2 |