Export a dataframe to a file or a connection
This function is a wrapper to write.table(), to overcome
possible issues with the row names.
export(x, file = "", ...)
x |
The object to be written (matrix or dataframe) |
file |
A character string containing the path to the file to be created |
... |
Same arguments that are used in |
The default convention for write.table() is to add a blank column
name for the row names, but (despite it is a standard used for CSV files) that doesn't work
with all spreadsheets or other programs that attempt to import the result of
write.table().
This function acts as if write.table() was called, with only one
difference: if row names are present in the dataframe (i.e. any of them should be different
from the default row numbers), the final result will display a new column called
cases in the first position, except the situation that another column called
cases already exists in the data, when the row names will be completely ignored.
If not otherwise specified, an argument sep = "," is added by default.
The argument row.names is always set to FALSE, a new column being added anyways (if possible).
Since this function pipes everything to write.table(), the argument file
can also be a connection open for writing, and "" indicates output to the console.
Adrian Dusa
The “R Data Import/Export” manual.
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