//initialize the distribution
public void initializeContinuosDistribution(interval range, double interval)
{
this.intervalDim = interval;
this.distributionCont.Clear();
total = range.value;
range.freq = 1.0;
range.perc = 100.0;
this.distributionCont.Add(range);
}
public Form1()
{
InitializeComponent();
//inizialize textbox header
this.TextBoxPeaple.Text = "NAME".PadRight(10) + "| HEIGHT".PadRight(6) + "\n\n";
this.TextBoxDistribution.Text = " RANGE HEIGHT".PadRight(16) + "|".PadRight(3) + "N." + " | ".PadRight(4) + "FREQ. | ".PadRight(4) + "PERC." + "\n\n";
interval range = new interval(1.7, 1.8);
stat.initializeContinuosDistribution(range, 0.1);
}
private void buttonClear_Click(object sender, EventArgs e)
{
//clear variables
stat = new Statistics();
//clear text
this.TextBoxAvg.Clear();
//inizialize textbox header
this.TextBoxPeaple.Text = "NAME".PadRight(10) + "| AGE".PadRight(6) + "| COUNTRY" + "\n\n";
this.TextBoxDistribution.Text = " RANGE HEIGHT".PadRight(16) + "|".PadRight(3) + "N." + " | ".PadRight(4) + "FREQ. | ".PadRight(4) + "PERC." + "\n\n";
//initialize distribution again
interval range = new interval(1.7, 1.8);
stat.initializeContinuosDistribution(range, 0.1);
}
// interval [start, end)
public void OnlineContinuosDistribution(double value, int step)
{
interval range = new interval();
this.total += step;
if (distributionCont.Count == 0) //if the distribution is not initialized then it will be initialized
{
range.start = Math.Round(value, MidpointRounding.AwayFromZero);
range.end = range.start + intervalDim;
range.value = step;
this.initializeContinuosDistribution(range, this.intervalDim);
Debug.WriteLine("inizialization");
}
else
{
int q;
int p = 0; //first index
int r = distributionCont.Count - 1; //last index
if (value < distributionCont[p].start) //add value before the list
{
do
{
range = new interval();
range.end = distributionCont[p].start;
range.start = Math.Round(distributionCont[p].start - intervalDim, 2);
if (range.start <= value)
{
range.value = step;
}
else
{
range.value = 0;
}
distributionCont.Insert(0, range);
r++;
Debug.WriteLine("add range before");
} while (range.start > value);
}
else if (value >= distributionCont[r].end) //add value after the list
{
do
{
range = new interval();
range.start = distributionCont[r].end;
range.end = Math.Round(distributionCont[r].end + intervalDim, 2);
if (range.end > value)
{
range.value = step;
}
else
{
range.value = 0;
}
distributionCont.Add(range);
r++;
Debug.WriteLine("add range after");
} while (range.end <= value);
}
else // search in the list with a binary search
{
Debug.WriteLine("search in list");
while (p <= r)
{
q = (p + r) / 2;
if (distributionCont[q].end > value)
{
if (distributionCont[q].start <= value)
{
distributionCont[q].value += step;
distributionCont[q].freq = distributionCont[q].value / this.total;
break;
}
else
{
r = q - 1;
}
}
else
{
p = q + 1;
}
}
}
//update freq and perc
foreach (interval i in distributionCont)
{
i.freq = i.value / (double)this.total;
i.perc = i.freq * 100.00;
}
}
}