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2008 Aug 07
0
3d kriging et al
...ialPixelsDataFrame class in order to make any irregular subsets of the rectangular grid. - subsetting the grid probably involves use of "[ ...]" Here's my code so far: library(RODBC) library(gstat) options(digits = 10) channel = odbcDriverConnect("") sqlTables(channel) PAHdata <- sqlFetch(channel, "All") PAHdata attach(PAHdata) logTotalPAH = log10(TotalPAH) PAHdata = cbind(PAHdata, logTotalPAH) class(PAHdata) names(PAHdata) coordinates(PAHdata) = ~Easting + Northing + SampleElevation class(PAHdata) summary(PAHdata) dimensions(PAHdata) hist(logTotalPAH) lpah....