//---------- ANALYZE ----------//
//----- Functions -----//
//--- Predict ---//
private Dictionary <DateTime, int> PredictNext7Days(int DataType)
{
Dictionary <DateTime, int> kvp = new Dictionary <DateTime, int>();
switch (DataType)
{
case 0:
double[] xVals = new double[listVM1.Count + days];
double[] yVals = new double[listVM1.Count + days];
int j = 0;
foreach (Statistic1 statistic1 in listVM1)
{
xVals[j] = statistic1.TotalInvoiceByDate;
yVals[j] = statistic1.TotalPriceByDate;
j++;
}
for (int k = j; k < (days + j); k++)
{
xVals[k] = 0;
yVals[k] = 0;
}
LinearRegression linearRegression = new LinearRegression(xVals, yVals);
linearRegression.PredictData();
for (int i = 1; i <= 7; i++)
{
kvp.Add(DateTime.Now.Date.AddDays(i), Convert.ToInt32(linearRegression.yIntercept + linearRegression.slope * i));
}
break;
case 1:
break;
default:
break;
}
return(kvp);
}