[list]
List of rows. Each row is a list or vector of the same structure.
That means all rows must have the same length and all corresponding elements must have the
same class.
strings.as.factors
[logical(1)]
Convert character columns to factors?
Default is default.stringsAsFactors().
row.names
[character | integer | NULL]
Row names for result.
By default the names of the list rows are taken.
col.names
[character | integer]
Column names for result.
By default the names of an element of rows are taken.