A practical guide to geostatistical mapping is a FREE book by Tom Hengl. It uses R+gstat/geoR, SAGA GIS and Google Earth combo of software packages. Includes seven diverse data analysis exercises. Materials presented in this book have been used for the five-day advanced training course “GEOSTAT: spatio-temporal data analysis with R+SAGA+Google Earth”, that is periodically organized by the author and collaborators.
Visit http://spatial-analyst.net/book/ to obtain a digital copy of the book and R scripts / data sets used. This is an Open Access Publication.