Just loaded, read and worked with ".txt" and ".csv" files in R (no problems), but having trouble loading ".dat" files.
Many programs can save different data formats into a file with a *.dat extension, Unless you solved your problem already with the advice above, you need to specify the file format better or at least name the software that created the file. If the file is in text format (like a table with readable lines), usually the problem is the correct delimiter, sometimes missing columns. The following R document should also help: http://cran.r-project.org/doc/manuals/r-release/R-data.pdf
read.delim/read.table/readLInes
all of these be used to read .dat file. For more information see :-
http://stackoverflow.com/questions/11664075/import-dat-file-into-r
http://r.789695.n4.nabble.com/How-to-read-the-contents-dat-file-td4089943.html
If the file data "dat" are already in text format ... the "read.table" function solves the problem !
Are you working with foreign library? What's the input you're placing in R for data reading?
One easy solution which i frequently use is the following command. In most of this cases this gets the job done.
data
Can a .dat file be translated into an ascii or a raster file? Im currently trying to convert this file to a raster that I can work with in R. http://nsidc.org/data/NSIDC-0063
If your .dat files come out of CR1000 datalogger with compact flash card (TOB3 format), you might use Loggernet or PC200W software. There is a utility called Card Convert, which enables you to convert .dat into TOA5
This YouTube link ("Importing .dat file in to R") shows how to load your data.dat file to "R" simply. Please have a look at
https://www.youtube.com/watch?v=IjULrjUOHVA
Good luck
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