mclust (version 2.1-14)

grid1: Generate grid points

Description

Generate grid points in one or two dimensions.

Usage

grid1(n, range = c(0, 1), edge = TRUE)
grid2(x, y)

Arguments

n

Number of grid points.

range

Range of grid points.

edge

Logical: include edges or not?

x, y

Vectors.

Value

• The value returned is simple: grid1 generates a vector; grid2 generates a matrix.

See Also

lansing, dens

Examples

data(lansing)
maples <- lansing[as.character(lansing[,"species"]) == "maple", -3]
maplesBIC <- EMclust(maples)
maplesModel <- summary(maplesBIC, maples)
x <- grid1(100, range=c(0,1))
y <- x
xyDens <- do.call("dens", c(list(data=grid2(x, y)), maplesModel))
xyDens <- matrix(xyDens, ncol=100)
contour(xyDens)
points(maples, cex=.2, col="red")

image(xyDens)
points(maples, cex=.5)