public Tuple<SequenceData, SequenceData> RandomSplit(double ratio, int random_seed) {
SequenceData part1 = new SequenceData(NumSymbols);
SequenceData part2 = new SequenceData(NumSymbols);
List<int[]> shuffled = sequence_list.Select(e => e).ToList();
Utilities.Shuffle(shuffled, random_seed);
int size_part1 = (int)(shuffled.Count * ratio);
for (int i = 0; i < shuffled.Count; i++) {
if (i < size_part1)
part1.AddSequence(shuffled[i]);
else
part2.AddSequence(shuffled[i]);
}
part1.SaveAddedSequences();
part2.SaveAddedSequences();
return new Tuple<SequenceData, SequenceData>(part1, part2);
}
public static SequenceData LoadSequences(string file) {
string[] lines = System.IO.File.ReadAllLines(file);
//parse number of different symbols
int num_symbols = Int32.Parse(lines[0].Split(' ')[1]);
SequenceData seqData = new SequenceData(num_symbols);
//parse sequences
for (int i = 1; i < lines.Length; i++) {
string[] currentSeqStr = lines[i].Split(' ');
//skip first element on each line, which contains the length of the sequence
int[] currentSeq = currentSeqStr.Skip(1).Select(p => Int32.Parse(p)).ToArray();
seqData.AddSequence(currentSeq);
}
seqData.SaveAddedSequences();
return seqData;
}
