out.write("Set,Time,Value\n");
for ( int set = 0; set < headings.length ; set++ ) {
dataSet = dataSetDAO.retrieve(sessionID, set);
//out.write("Set " + set + ": " + headings[set] + "\n");
for ( int i = 0 ; i < dataSet.size() ; i++ ) {
point = dataSet.elementAt(i);
out.write(set + "," + point.getTime() + "," + point.getValue() + "\n");
}
//out.write("\n");
}