binning {ks}R Documentation

Linear binning for multivariate data

Description

Linear binning for 1- to 4-dimensional data.

Usage

binning(x, H, h, bgridsize, xmin, xmax, supp=3.7)

Arguments

x matrix of data values
H bandwidth matrix
h scalar bandwidth
xmin vector of minimum values for grid
xmax vector of maximum values for grid
supp effective support for standard normal is [-supp, supp]
bgridsize vector of binning grid sizes

Details

Code is used courtesy of Matt Wand. Default bgridsize are: 401 (d=1), rep(151, 2), rep(51, 3), rep(21,4).

Value

Returns a list with 2 fields

counts linear binning counts
eval.points vector (d=1) or list (d>2) of grid points in each dimension

References

Wand, M.P. & Jones, M.C. (1995) Kernel Smoothing. Chapman & Hall. London.

Examples

data(unicef)
binning(x=unicef)
binning(x=unicef, xmin=c(0, 20), xmax=c(350, 100), H=diag(2), bgridsize=c(201,201))

[Package ks version 1.5.6 Index]