file
|
the name of the file which the data are to be read from.
Each row of the table appears as one line of the file.
|
header
|
a logical value indicating whether the file contains
the names of the variables as its first line.
|
sep
|
the field separator character. Values on
each line of the file are separated by this character.
|
row.names
|
a vector of row names. This can be a vector
giving the actual row names, or a single number giving the
column of the table which contains the row names,
or character string giving the name of the table column
containing the row names.
|
col.names
|
a vector of optional names for the variables.
The default is to use "V" followed by the column number
|
as.is
|
the default behavior of read.table is to convert
non-numeric variables to factors. The variable as.is
controls this conversion. Its value is either a vector of logicals
(values are recycled if necessary), or a vector of numeric indices
which specify which columns should be left as character
strings.
|
na.strings
|
a vector strings which are to be interpreted as NA
values.
|
skip
|
the number of lines of the data file to skip before beginning
to read data.
|