Reads data from a text file with columns "x", "y", and, optionally, "lambda", "sigma" and "SB".
read.data(file = stop("'file' must be specified"), ...)character, the name of the file which the data are to be read from.
further arguments to be passed to read.table (optional).
An object of type data. See set.data for details.
This function implements one of the ways to load experimental data. The file must consist of a header with column names and several columns below. First two columns in file must be x and y values. The others could specify lambda, sigma and SB.