write.table {base} | R Documentation |
write.table
prints its required argument x
(after
converting it to a data frame if it is not one already) to
file
. The entries in each line (row) are separated by the
value of sep
.
write.table(x, file = "", append = FALSE, quote = TRUE, sep = " ", eol = "\n", na = "NA", dec = ".", row.names = TRUE, col.names = TRUE, qmethod = c("escape", "double"))
x |
the object to be written, typically a data frame. If not, it
is attempted to coerce x to a data frame. |
file |
the name of the file which the data are to be written to. |
append |
logical. If true, the output is appended to targshe file. If false, any existing file of the name is destroyed. |
quote |
a logical or a numeric vector. If TRUE , any
character or factor columns will be surrounded by double quotes. If a
numeric vector, its elements are taken as the indices of the
variable (columns) to quote. In both cases, row and columns names
are quoted if they are written, but not if quote is FALSE . |
sep |
the field separator string. Values within each row of x
are separated by this string. |
eol |
the character(s) to print at the end of each line (row). |
na |
the string to use for missing values in the data. |
dec |
the string to use for decimal points. |
row.names |
either a logical value indicating whether the row names of
x are to be written along with x , or a character
vector of row names to be written. |
col.names |
either a logical value indicating whether the column names
of x are to be written along with x , or a character
vector of column names to be written. |
qmethod |
a character string specifying how to deal with embedded
double quote characters when quoting strings. Must be one of
"escape" (default), in which case the quote character is
escaped in C style by a backslash, or "double" , in which case
it is doubled. You can specify just the initial letter. |
Normally there is no column name for a column of row names
If col.names=NA
a blank column name is added. This can be
used to write CSV files for input to spreadsheets.
## To write a CSV file for input to Excel one might use write.table(x, file = "foo.csv", sep = ",", col.names = NA) ## and to read this file back into R one needs read.table("file.csv", header = TRUE, sep = ",", row.names=1)