| grid1 {mclust} | R Documentation |
Generate grid points in one or two dimensions.
grid1(n, range = c(0, 1), edge = TRUE) grid2(x, y)
n |
Number of grid points. |
range |
Range of grid points. |
edge |
Logical: include edges or not? |
x, y |
Vectors. |
The value returned is simple: grid1 generates a
vector; grid2 generates a matrix.
C. Fraley
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)