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Version 1.8.0  (2003-10-08)

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> set.seed(1131)
> d = data.frame(x=runif(50),y=runif(50),z=runif(50),v=rnorm(50))
> library(gstat)
Loading required package: lattice 
> xx = krige.cv(v~1,~x+y+z,d,model=vgm(1,"Exp",1), verbose=F, set=list(debug=0))
> summary(xx)
       x                  y                  z              var1.pred      
 Min.   :0.006784   Min.   :0.003404   Min.   :0.001641   Min.   :-1.1633  
 1st Qu.:0.239662   1st Qu.:0.246573   1st Qu.:0.186459   1st Qu.:-0.5713  
 Median :0.486684   Median :0.452500   Median :0.448503   Median :-0.2006  
 Mean   :0.499664   Mean   :0.496887   Mean   :0.471422   Mean   :-0.1651  
 3rd Qu.:0.747297   3rd Qu.:0.739427   3rd Qu.:0.724035   3rd Qu.: 0.1614  
 Max.   :0.987539   Max.   :0.987169   Max.   :0.994198   Max.   : 1.0846  
    var1.var         observed          residual            zscore        
 Min.   :0.1163   Min.   :-2.2396   Min.   :-2.17554   Min.   :-5.16777  
 1st Qu.:0.1748   1st Qu.:-0.8760   1st Qu.:-0.78811   1st Qu.:-1.87495  
 Median :0.1921   Median :-0.2194   Median : 0.11750   Median : 0.24533  
 Mean   :0.2079   Mean   :-0.1418   Mean   : 0.02327   Mean   : 0.01669  
 3rd Qu.:0.2396   3rd Qu.: 0.5005   3rd Qu.: 0.85075   3rd Qu.: 2.02008  
 Max.   :0.4257   Max.   : 1.8566   Max.   : 2.52242   Max.   : 7.35414  
      fold      
 Min.   : 1.00  
 1st Qu.:13.25  
 Median :25.50  
 Mean   :25.50  
 3rd Qu.:37.75  
 Max.   :50.00  
>