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Hello, Is there anyone who could give me an example of how to import an ascii grid (i.e. ArcGIS exported raster) into R. I want to use it with gstat but don't know the appropriate import routine. Thanks very much for your help. Regards, femke Femke Reitsma Graduate Student (ABD) Geography Department 2181 LeFrak Hall University of Maryland College Park, MD 20742 Phone: 301-405-4121

Hello, Could someone please tell if there is a way to append header info to the top of an exported dataframe (exported with write.table). I want to append the following, which are the defininitions for an asciigrid: ncols 532 nrows 999 xllcorner 510465 yllcorner 4766375 cellsize 30 NODATA_value -9999 Thanks very much, femke [[alternative HTML version deleted]]

...king very hard on study R, but I still can not fix the problem. Could someone please as kind as point out that what the problems are in my R script? Firstly, this is an example of data in asc file: NCOLS 241 NROWS 160 XLLCORNER 140.00012207031 YLLCORNER -39.000000000000 CELLSIZE 0.50000000000000E-01 NODATA_VALUE -99.00000 166.30 160.87 155.23 149.33 143.83 138.52 133.29 128.34 123.76 119.21...

...Error in AsciiGridImpute(RF, xfiles, outfiles) : BA_PER_HA_ is not present in the predicted data ################################################################ The first six lines of the output file contain the header information for an ESRI ASCII grid and look like this ncols 1564 nrows 1062 xllcorner -77876.53335875 yllcorner -3304144.3940076 cellsize 4.000718 NODATA_value -9999 Which is exactly the same as the input ascii grids used during the AsciiGridImpute command. I was wondering if anyone on the R mailing list had ever come across this error and if so how did you correct it. I am using...