Description Usage Arguments Details Value Author(s) Examples
The function reads "GWT" files (i.e. generated using distance. It will read also other more general formats (as for example .txt files).
1 | read.gwt2dist(file, region.id=NULL, skip=1)
|
file |
name of file to be read |
region.id |
variable that defines the ordering of the observations |
skip |
skip number of lines |
The first line of a 'GWT'
file generally contains some information (e.g. the name of the shape file, the number of observations),
in which case, skip
should be equal to 1.
When the file
has a 'GWT'
extension, the number of observations is generally retrived from the first line. Alternatively, it is fixed to the length
of the unique region.id
variable.
An object of class distance
.
Gianfranco Piras gpiras@mac.com
1 2 3 4 5 6 7 | ## Not run:
library(spdep)
data(columbus)
dist<-read.gwt2dist(file=system.file('extdata/knn10columbus.GWT',
package="sphet"), region.id=columbus$POLYID)
## End(Not run)
|
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