https://github.com/cran/gstat
Tip revision: c41c89be2ff3bee6a60d5b3822a42dcbd97b924b authored by Edzer Pebesma on 26 February 2010, 13:15:53 UTC
version 0.9-69
version 0.9-69
Tip revision: c41c89b
na.action.R
library(gstat)
data(meuse)
data(meuse.grid)
set.seed(13131) # reproduce results
# select 10 random rows;
# create two missing values in the coordinates:
m = meuse.grid[sample(nrow(meuse.grid), 10), ]
m[c(2,8), "x"] = NA
## this is not allowed anymore:
try(krige(log(zinc)~1,~x+y,meuse,m, na.action = na.pass))
try(krige(log(zinc)~1,~x+y,meuse,m, na.action = na.omit))
try(krige(log(zinc)~1,~x+y,meuse,m, na.action = na.exclude))
try(krige(log(zinc)~1,~x+y,meuse,m, na.action = na.fail))
# select 10 random rows;
# create two missing values in the regressor variable:
m = meuse.grid[sample(nrow(meuse.grid), 10), ]
m[c(3,7), "dist"] = NA
krige(log(zinc)~dist,~x+y,meuse,m, na.action = na.pass)
krige(log(zinc)~dist,~x+y,meuse,m, na.action = na.omit)
krige(log(zinc)~dist,~x+y,meuse,m, na.action = na.exclude)
try(krige(log(zinc)~dist,~x+y,meuse,m, na.action = na.fail))