public void Visualize(IEnumerable <RateAtDate> data, int numPoints)
{
const string LinearFile = "Lin.csv";
const string CosineFile = "Cos.csv";
const string CubicFile = "Cub.csv";
DateTime start = data.First().Date;
LinearInterpolation lin = new LinearInterpolation(data);
CosineInterpolation cos = new CosineInterpolation(data);
CubicInterpolation cub = new CubicInterpolation(data);
using (StreamWriter linsw = new StreamWriter(fileRoot + LinearFile))
using (StreamWriter cossw = new StreamWriter(fileRoot + CosineFile))
using (StreamWriter cubsw = new StreamWriter(fileRoot + CubicFile))
{
double increment = ((double)(data.Last().Date - data.First().Date).TotalMilliseconds) / (double)numPoints;
for (int i = 0; i < numPoints; i++)
{
DateTime writeDate = start + TimeSpan.FromMilliseconds((i * increment));
linsw.WriteLine(lin.GetRate(writeDate));
cossw.WriteLine(cos.GetRate(writeDate));
cubsw.WriteLine(cub.GetRate(writeDate));
}
}
ShowData(fileRoot + LinearFile);
ShowData(fileRoot + CosineFile);
ShowData(fileRoot + CubicFile);
}