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The gstat Package - NexTag Supports Open Source Initiatives

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2 coalashmeuse.all . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23meuse.alt . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 25ncp.grid . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 26ossfim . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 27oxford . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 28pcb . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 30plot.<strong>gstat</strong>Variogram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 31plot.pointPairs . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 33plot.variogramCloud . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 34predict.<strong>gstat</strong> . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 36show.vgms . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 39sic2004 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 41spplot.vcov . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 43variogram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 44variogramLine . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 47vgm . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 48vgm.panel.xyplot . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 50walker . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 52Index 54coalashCoal ash samples from a mine in PennsylvaniaDescriptionUsageFormatNoteData obtained from Gomez and Hazen (1970, Tables 19 and 20) on coal ash for the Robena MineProperty in Greene County Pennsylvania.data(coalash)This data frame contains the following columns:x a numeric vector; x-coordinate; reference unknowny a numeric vector; x-coordinate; reference unknowncoalash the target variabledata are also present in package fields, as coalash.Author(s)unknown; R version prepared by Edzer Pebesma; data obtained from http://www.stat.uiowa.edu/~dzimmer/spatialstats/, Dale Zimmerman’s course page

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