Arguments 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. Values on each line of the file are separated by this character. 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. The variable as.is controls this conversion. Value A data frame containing a representation of the data in the file.