May 2015
Intermediate to advanced
608 pages
21h 41m
English
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Appendix C. Exporting data from R
In chapter 2, we reviewed a wide range of methods for importing data into R. But sometimes you’ll want to go the other way—exporting data from R—so that data can be archived or imported into external applications. In this appendix, you’ll learn how to output an R object to a delimited text file, an Excel spreadsheet, or a statistical application (such as SPSS, SAS, or Stata).
Delimited text file
You can use the write.table() function to output an R object to a delimited text file. The format is
write.table(x, outfile, sep=delimiter, quote=TRUE, na="NA")
where x is the object and outfile is the target file. For example, the statement
write.table(mydata, "mydata.txt", sep=",")
saves the dataset mydata to a ...
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