private void button5_Click(object sender, EventArgs e)
{
dataGridView1.AllowUserToAddRows = false;
if (dataGridView1.Columns.Count != 0)
{
for (int i = 0; i < dataGridView1.Columns.Count; i++)
{
if (dataGridView1.Columns[i].Name == comboBox1.Text)
{
double[] columnData = (from DataGridViewRow row in dataGridView1.Rows
where row.Cells[i].FormattedValue.ToString() != string.Empty
select Convert.ToDouble(row.Cells[i].FormattedValue)).ToArray();
string average = columnData.Average().ToString();
string min = columnData.Min().ToString();
string max = columnData.Max().ToString();
double sum = Convert.ToDouble(columnData.Sum(d => Math.Pow((d - Convert.ToDouble(average)), 2)));
string standard_Deviation = Convert.ToString(Math.Sqrt((sum) / (columnData.Count() - 1)));
string range = Convert.ToString(Convert.ToDouble(max) - Convert.ToDouble(min));
// Median
string median; double[] tempArray = columnData;
int count = tempArray.Length; Array.Sort(tempArray);
if (count % 2 == 0)
{
double middleElement1 = tempArray[(count / 2) - 1]; double middleElement2 = tempArray[(count / 2)];
median = Convert.ToString((middleElement1 + middleElement2) / 2);
}
else
{
median = Convert.ToString(columnData[(count / 2)]);
}
var mode = tempArray.GroupBy(n => n).
OrderByDescending(g => g.Count()).
Select(g => g.Key).FirstOrDefault();
// MOdd
string mod = Convert.ToString(mode);
double sumOfSquares = 0.0;
foreach (int num in tempArray)
{
sumOfSquares += Math.Pow((num - Convert.ToDouble(average)), 2.0);
}
// Varience
string varience = Convert.ToString(sumOfSquares / (double)(tempArray.Length - 1));
SecondPage open = new SecondPage(average, min, max, varience, standard_Deviation, median, mod, range, columnData); open.Show(); Visible = false;
}
}
}
else
{
MessageBox.Show("Please First Choose any Excel File.");
}
}
private void pictureBox3_Click(object sender, EventArgs e)
{
SecondPage backoption = new SecondPage(average, min, max, variance, standard, median, mode, range, colData); backoption.Show(); this.Visible = false;
}
