R: rearrange data frame for plotting with levelplot

map.to.lev {gstat} | R Documentation

## rearrange data frame for plotting with levelplot

### Description

rearrange data frame for plotting with levelplot

### Usage

    map.to.lev(data, xcol = 1, ycol = 2, zcol = c(3, 4), ns = names(data)[zcol])

### Arguments

`data` | data frame, e.g. output from krige or predict
`xcol` | x-coordinate column number
`ycol` | y-coordinate column number
`zcol` | z-coordinate column number range
`ns` | names of the set of z-columns to be viewed

### Value

data frame with the following elements:

`x` | x-coordinate for each row
`y` | y-coordinate for each row
`z` | column vector with each of the elements in columns `zcol` of `data` stacked
`name` | factor; name of each of the stacked `z` columns

### See Also

image.data.frame, krige; for examples see predict; `levelplot` in package lattice.

[Package gstat version 2.0-3 Index]