Plot a point pairs, identified from a variogram cloud
Plot a point pairs, identified from a variogram cloud
## S3 method for class 'pointPairs' plot(x, data, xcol = data$x, ycol = data$y, xlab = "x coordinate", ylab = "y coordinate", col.line = 2, line.pch = 0, main = "selected point pairs", ...)
x |
object of class "pointPairs", obtained from the function plot.variogramCloud, containing point pair indices |
data |
data frame to which the indices refer (from which the variogram cloud was calculated) |
xcol |
numeric vector with x-coordinates of data |
ycol |
numeric vector with y-coordinates of data |
xlab |
x-axis label |
ylab |
y-axis label |
col.line |
color for lines connecting points |
line.pch |
if non-zero, symbols are also plotted at the middle of
line segments, to mark lines too short to be visible on the plot;
the color used is |
main |
title of plot |
... |
arguments, further passed to |
plots the data locations, with lines connecting the point pairs identified (and refered to by indices in) x
Edzer Pebesma
### The following requires interaction, and is therefore outcommented #data(meuse) #coordinates(meuse) = ~x+y #vgm1 <- variogram(log(zinc)~1, meuse, cloud = TRUE) #pp <- plot(vgm1, id = TRUE) ### Identify the point pairs #plot(pp, data = meuse) # meuse has x and y as coordinates
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