merge {sp}R Documentation

Merge a Spatial* object having attributes with a data.frame

Description

Merge a Spatial object having a data.frame (i.e. merging of non-spatial attributes).

Usage

## S4 method for signature 'Spatial,data.frame'
merge(x, y, by=intersect(names(x), names(y)),
 by.x=by, by.y=by, all.x=TRUE, suffixes = c(".x",".y"),
 incomparables=NULL, ...)

Arguments

x

object deriving from Spatial

y

ojbect of class data.frame

by, by.x, by.y

specifications of the common columns. See 'Details' in (base) merge

.

all.x

logical; if TRUE, then the returned object will have all rows of x, even those that has no matching row in y. These rows will have NAs in those columns that are usually filled with values from y

suffixes

character(2) specifying the suffixes to be used for making non-by names() unique.

incomparables

values which cannot be matched. See match.

...

arguments to be passed to or from methods.

Value

a Spatial* object

Author(s)

Robert J. Hijmans

See Also

merge


[Package sp version 1.0-14 Index]