This is the command gbker2d 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
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
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