Imports data from *.DAT files created in PQMethod software.
a file with extension *.DAT (see full description of the file below in References).
Extracts the raw data of a Q methodology study from the native format used in PQMethod. Returns a data frame with statements as rows and Q-sorts as columns.
If the following error occurs:
"invalid multibyte string", a possible solution is to either set the right file-encoding in the argument
fileEncoding or inspect the file for uncommon characters (see details in
Schmolck, Peter, 2014. PQMethod Software, Available at: http://schmolck.org/qmethod/
File descriptions in PQMethod Manual: http://schmolck.org/qmethod/pqmanual.htm#appdxa