/// <summary>
/// Randomly permute it so that we train in random order
/// </summary>
public void Shuffle()
{
bool randomize = PGetb("randomize");
if (randomize)
{
Intarray permutation = new Intarray(all_lines.Dim(0));
for (int i = 0; i < all_lines.Dim(0); i++)
{
permutation[i] = i;
}
NarrayUtil.RandomlyPermute(permutation);
NarrayRowUtil.RowPermute(all_lines, permutation);
}
}