grid: Grid data

In fionahevans/agric: Functions for accessing & handling agricultural data.

Description

Grid data by kriging and mask using the convex hull of the data

Usage

grid(data, Var = "Yield.tha", xy = c("Longitude", "Latitude"), r = NULL,
  size = 1e-04, nsamp = 5000, maxdist = NULL, plot = 0)

Arguments

data	Data frame containing spatial points.
Var	Name of data column to grid.
xy	Vector of names of data columns containing x and y information.
r	Optional raster defining extnent and size of grid to be created.
size	Size of grid (if r is not provided).
nsamp	Number of data samples used to fit the semivariogram.
plot	Set >0 to plot the fitted semivariogram.
filename	Name of input file.

Value

Returns a raster.

Author(s)

Fiona Evans

fionahevans/agric documentation built on May 30, 2019, 12:46 p.m.