Dear all, I want to fit an exponential variogram for my lattice data. But, I just have response variable (yield), and predictors: temperature and precipitation. I do not have longitude and latitude. This is the data of all the counties of a state of the USA. Is it possible to fit exponential variogram to my data? My data looks like this?
county yield Temp precept Adams 7.26563 17.0586 497.671 Antelope 6.73641 16.2423 480.998 Arthur 6.55325 15.1425 369.782 Banner 2.87851 14.4466 295.68 ............. ............. Wheeler 7.0325 16.1614 475.61 York 8.03271 17.5935 515.224 Thanks in advance, Milan ....................................................................................................................... m: marco milella <[email protected]> To: r-sig-geo <[email protected]> Sent: Thursday, November 8, 2012 1:06 PM Subject: Re: [R-sig-Geo] R and GIS Dear all, thanks for all your comments and useful suggestions. marco 2012/11/8 Julian Burgos <[email protected]> > Hi Marco, > Depending on what you have to do, you may not need a GIS. R has now many > "GIS-like" features. I now use R for 98% of my work, and use GRASS and > QGIS mostly to process large datasets and as interactive visualization > tools. But all analyses and plotting (for publications or reports) is done > in R. > This is a good start: > http://www.springerlink.com/**content/978-0-387-78171-6?MUD=**MP<http://www.springerlink.com/content/978-0-387-78171-6?MUD=MP> > Look the first section of the book, in particular. > Good luck! > > Julian > > -- > Julian Mariano Burgos, PhD > Hafrannsóknastofnunin/Marine Research Institute > Skúlagata 4, 121 Reykjavík, Iceland > Sími/Telephone : +354-5752037 > Bréfsími/Telefax: +354-5752001 > Netfang/Email: [email protected] > > > > > On 11/07/2012 07:17 PM, marco milella wrote: > >> Dear all, >> I'm interested in the analysis of spatial data with R and I'm completely >> new to the world of GIS. However, I would like to try to use R and GIS >> data >> for analyzing archaeological data. On the web I found several links, and >> it >> seems that a good combination could be the use of R with GRASS. However, >> I'm a little bit confused due to the big amount of possible links, guides, >> manuals. Do you have any suggestion (online material or books) for a not >> experienced R user and completely ignorant in GIS? >> Thanks for any feedback >> marco >> >> [[alternative HTML version deleted]] >> >> >> ______________________________**_________________ >> R-sig-Geo mailing list >> [email protected] >> https://stat.ethz.ch/mailman/**listinfo/r-sig-geo<https://stat.ethz.ch/mailman/listinfo/r-sig-geo> >> >> > > -- Dr. Marco Milella Anthropologisches Institut & Museum Universität Zürich-Irchel Winterthurerstrasse 190 8057 Zürich Schweiz e-mail: [email protected] phone: +41-44-635-5417 fax: +41-44-635-6886 [[alternative HTML version deleted]] _______________________________________________ R-sig-Geo mailing list [email protected] https://stat.ethz.ch/mailman/listinfo/r-sig-geo [[alternative HTML version deleted]]
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