static void BatchGradientDescent()
{
string dataDirectory = "C:\\Dropbox\\Private\\Stanford\\CS246\\Homeworks\\HW4\\Q1\\HW4-q1\\";
GradientDescent gd = new BatchGradientDescent(dataDirectory + "features.txt", dataDirectory + "target.txt");
using (System.IO.StreamWriter file = new System.IO.StreamWriter("C:\\Dropbox\\Private\\Stanford\\CS246\\Homeworks\\HW4\\Q1\\output\\BGD.txt"))
{
file.WriteLine(" k\t Cost\t\t Time\n--\t----------------\t----------");
Console.WriteLine(" k\t Cost\t\t Time\n--\t----------------\t----------");
foreach (var result in gd.Iterate())
{
file.WriteLine("{0}\t{1}\t{2}", result.Item1.ToString().PadLeft(2), result.Item2.ToString().PadRight(16), FormatSeconds(result.Item3.TotalSeconds));
Console.WriteLine("{0}\t{1}\t{2}", result.Item1.ToString().PadLeft(2), result.Item2.ToString().PadRight(16), FormatSeconds(result.Item3.TotalSeconds));
}
}
}
static void BatchGradientDescent()
{
string dataDirectory = "C:\\Dropbox\\Private\\Stanford\\CS246\\Homeworks\\HW4\\Q1\\HW4-q1\\";
GradientDescent gd = new BatchGradientDescent(dataDirectory + "features.txt", dataDirectory + "target.txt");
using (System.IO.StreamWriter file = new System.IO.StreamWriter("C:\\Dropbox\\Private\\Stanford\\CS246\\Homeworks\\HW4\\Q1\\output\\BGD.txt"))
{
file.WriteLine(" k\t Cost\t\t Time\n--\t----------------\t----------");
Console.WriteLine(" k\t Cost\t\t Time\n--\t----------------\t----------");
foreach (var result in gd.Iterate())
{
file.WriteLine("{0}\t{1}\t{2}", result.Item1.ToString().PadLeft(2), result.Item2.ToString().PadRight(16), FormatSeconds(result.Item3.TotalSeconds));
Console.WriteLine("{0}\t{1}\t{2}", result.Item1.ToString().PadLeft(2), result.Item2.ToString().PadRight(16), FormatSeconds(result.Item3.TotalSeconds));
}
}
}
