private void button1_Click(object sender, EventArgs e)
{
string[] array = txtItems.Text.Split(',');
double[] dArray = Array.ConvertAll(array, Double.Parse);
DescriptiveStatistics s = new DescriptiveStatistics(dArray);
MessageBox.Show("Mesatarja: " + s.Average().ToString());
MessageBox.Show("Median:" + s.Median().ToString());
MessageBox.Show("STDEV_Population: " + s.StandardDeviationP().ToString());
MessageBox.Show("STDEV_Sample: " + s.StandardDeviationS().ToString());
//CategoricalStatistics s = new CategoricalStatistics(array);
//foreach (KeyValuePair<object, int> kv in s.Frequency())
//{
// MessageBox.Show(kv.Key.ToString() + " - " + kv.Value.ToString());
//}
// test test test
CategoricalStatistics cs = new CategoricalStatistics(dArray);
// MessageBox.Show(Convert.ToInt32( cs.CalculateMode()).ToString());
foreach (KeyValuePair<object, int> kv in cs.CalculateMode())
{
// MessageBox.Show("Mode: " + kv.Key.ToString() + "=" + kv.Value.ToString());
label1.Text = "Mode: " + kv.Key.ToString() + "=" + kv.Value.ToString();
}
}
public double[] ZScore(double[] array_to_normalize)
{
//formula eshte: v-mesatarja / devijimi
double average;
double deviation;
DescriptiveStatistics ds = new DescriptiveStatistics(array_to_normalize);
average = ds.Average();
deviation = ds.StandardDeviationP();
List<double> normalized_array = new List<double>();
foreach (double element in array_to_normalize)
{
double new_value = (element - average) / deviation; normalized_array.Add(new_value);
}
return normalized_array.ToArray();
}
public double[] ZScore(double[] array_to_normalize)
{
//formula eshte: v-mesatarja / devijimi
double average;
double deviation;
DescriptiveStatistics ds = new DescriptiveStatistics(array_to_normalize);
average = ds.Average();
deviation = ds.StandardDeviationP();
List <double> normalized_array = new List <double>();
foreach (double element in array_to_normalize)
{
double new_value = (element - average) / deviation; normalized_array.Add(new_value);
}
return(normalized_array.ToArray());
}
