write.foreign

Write Text Files and Code to Read Them

This function exports simple data frames to other statistical packages by writing the data as free-format text and writing a separate file of instructions for the other package to read the data.

Keywords
file
Usage
write.foreign(df, datafile, codefile, package = c("SPSS", "Stata", "SAS"), ...)
Arguments
df
A data frame
datafile
Name of file for data output
codefile
Name of file for code output
package
Name of package
...
Other arguments for the individual writeForeign functions
Details

The work for this function is done by foreign:::writeForeignStata, foreign:::writeForeignSAS and foreign:::writeForeignSPSS. To add support for another package, eg Systat, create a function writeForeignSystat with the same first three arguments as write.foreign. This will be called from write.foreign when package="Systat".

Numeric variables and factors are supported for all packages: dates and times (Date, dates, date, and POSIXt classes) and logical vectors are also supported for SAS and characters are supported for SPSS.

For package="SAS" there are optional arguments dataname = "rdata" taking a string that will be the SAS data set name, validvarname taking either "V6" or "V7", and libpath = NULL taking a string that will be the directory where the target SAS datset will be written when the generated SAS code been run.

Value

Invisible NULL.

Aliases
  • write.foreign
Documentation reproduced from package foreign, version 0.8-67, License: GPL (>= 2)

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