/// <summary>
/// Recomputes the time series as the sums of seqential values of the original series.
/// </summary>
/// <param name="c">The constant to be added to the first value.</param>
/// <seealso cref="Difference"/>
public void Integrate(double c)
{
if (data.Count < 1)
{
throw new InsufficientDataException();
}
SampleStorage newData = new SampleStorage();
newData.Add(data[0] + c);
for (int i = 1; i < data.Count; i++)
{
newData.Add(data[i] + newData[i - 1]);
}
data = newData;
}
// manipulation methods
/// <summary>
/// Adds a data point to the sample.
/// </summary>
/// <param name="x">The x-value of the data point.</param>
/// <param name="y">The y-value of the data point.</param>
public void Add(double x, double y)
{
if (isReadOnly)
{
throw new InvalidOperationException();
}
else
{
xData.Add(x);
yData.Add(y);
}
}
/// <summary>
/// Recomputes the time series as the differences between sequential values of the original series.
/// </summary>
/// <remarks>
/// <para>Differencing decreases the number of values in the series by one.</para>
/// </remarks>
/// <seealso cref="Integrate"/>
public void Difference()
{
if (data.Count < 2)
{
throw new InsufficientDataException();
}
SampleStorage newData = new SampleStorage();
for (int i = 1; i < data.Count; i++)
{
newData.Add(data[i] - data[i - 1]);
}
data = newData;
}
/// <summary>
/// Adds a point to the time series.
/// </summary>
/// <param name="value">The value to add.</param>
public void Add(double value)
{
data.Add(value);
}