I see a 'variogram' function in both spatial and gstat when I use ?? variogram on my machine that probably does not have even all of those packages installed. Are you sure they are the same (I looked .... they are not) or failing that that the one you expect is being chosen? And are you even sure that there is not a third or a fourth 'variogram' in one of those other packages?

--
David.


On Aug 3, 2011, at 2:45 PM, gbre...@ssc.wisc.edu wrote:

Here is my sessionInfo()

sessionInfo()
R version 2.12.2 (2011-02-25)
Platform: i386-pc-mingw32/i386 (32-bit)

locale:
[1] LC_COLLATE=English_United States.1252  LC_CTYPE=English_United
States.1252
[3] LC_MONETARY=English_United States.1252 LC_NUMERIC=C
[5] LC_TIME=English_United States.1252

attached base packages:
[1] splines grid stats graphics grDevices utils datasets
methods
[9] base

other attached packages:
[1] spsurvey_2.1-2          lmtest_0.9-27           zoo_1.6-5
[4] car_2.0-9               survival_2.36-5         nnet_7.3-1
[7] spgwr_0.6-10            spatialCovariance_0.6-4 spatial_7.3-2
[10] spatgraphs_2.44         sgeostat_1.0-23         rworldmap_0.1211
[13] fields_6.3              spam_0.23-0             RPyGeo_0.9-2
[16] RSAGA_0.91-1 shapefiles_0.6 RgoogleMaps_1.1.9.7 [19] raster_1.8-22 RArcInfo_0.4-10 RColorBrewer_1.0-2
[22] PBSmodelling_2.61.210   PBSmapping_2.61.9       mapproj_1.1-8.3
[25] mapdata_2.1-4           intamap_1.3-8           evd_2.2-4
[28] mvtnorm_0.9-96          automap_1.0-9           rgdal_0.6-33
[31] gmaps_0.2               maps_2.1-6              glmmBUGS_1.9
[34] spdep_0.5-32            coda_0.14-2             deldir_0.0-13
[37] maptools_0.8-7 foreign_0.8-42 Matrix_0.999375-46
[40] lattice_0.19-17         boot_1.2-43             abind_1.3-0
[43] MASS_7.3-11             geosphere_1.2-19        geonames_0.8
[46] rjson_0.2.3             ctv_0.7-2               GEOmap_1.5-13
[49] akima_0.5-4             RPMG_2.0-5              splancs_2.01-27
[52] geomapdata_1.0-4        geoRglm_0.8-33          geoR_1.6-34
[55] gstat_0.9-81            sp_0.9-81               nlme_3.1-98

loaded via a namespace (and not attached):
[1] tcltk_2.12.2 tools_2.12.2



On 2011-08-03 09:40, gbre...@ssc.wisc.edu wrote:
Hello.

I am running the examples provided in the gstat help menus. When I try
to
run the following in predict.gstat:

data(meuse)
coordinates(meuse)= ~x+y
v<-variogram(log(zinc)~1, meuse)

I get the following error message:

Error in vector("double", length) : invalid 'length' argument


What's the problem?

You should at the very least provide your sessionInfo().

Peter Ehlers



Gilbert

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______________________________________________
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PLEASE do read the posting guide http://www.R-project.org/posting-guide.html
and provide commented, minimal, self-contained, reproducible code.

David Winsemius, MD
West Hartford, CT

______________________________________________
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and provide commented, minimal, self-contained, reproducible code.

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