private void button2_Click(object sender, EventArgs e)
{
if (saveFileDialog1.ShowDialog() == System.Windows.Forms.DialogResult.OK)
{
String saveFile = saveFileDialog1.FileName;
int numberOfEVec = (int)numericUpDown1.Value;
PointSet p = _pca.GetPCAProjection(numberOfEVec);
p.Save(saveFile);
MessageBox.Show("File saved to\n" + saveFile);
}
}